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Web Nonce Proof

Case: 20260423T183136Z__gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof

TIMEOUT Trajectory: clean | Invoked: yes | Match: 0%

Shell Commands

Warmup

gptme --non-interactive --no-confirm --name gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof-warmup --system short --workspace /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/workspace-warmup --tools shell --tool-format tool -m local/gemma4:e4b 'Use the shell tool.
Read the URL from challenge-url.txt in the current workspace.
Fetch JSON from that URL. The JSON shape is: {"nonce":"...","payload":"..."}.
Create web-proof.txt in the current workspace with exactly these three lines:
NONCE=<nonce>
PAYLOAD=<payload>
PROOF=<sha256_hex_of_nonce_colon_payload>
Where PROOF is lowercase SHA-256 of the UTF-8 string "<nonce>:<payload>".
Do not invent values.
Do not explain.
If command execution fails, reply only FAIL.
If successful, reply only DONE.
'

Measured

gptme --non-interactive --no-confirm --name gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof-measured --system short --workspace /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/workspace --tools shell --tool-format tool -m local/gemma4:e4b 'Use the shell tool.
Read the URL from challenge-url.txt in the current workspace.
Fetch JSON from that URL. The JSON shape is: {"nonce":"...","payload":"..."}.
Create web-proof.txt in the current workspace with exactly these three lines:
NONCE=<nonce>
PAYLOAD=<payload>
PROOF=<sha256_hex_of_nonce_colon_payload>
Where PROOF is lowercase SHA-256 of the UTF-8 string "<nonce>:<payload>".
Do not invent values.
Do not explain.
If command execution fails, reply only FAIL.
If successful, reply only DONE.
'

Trajectory Hints

Current Case

Run Comparison

Consistency: strongly_diverged

Run 1

  • Status: NO_TOOL_CALL
  • invoked: yes
  • tool_attempt_count: 7
  • error_count: 0
  • repeated_error_count: 0
  • loop_detected: False
  • markdown_tool_imitation: False
  • no_tool_call_after_completion: True

Run 2

  • Status: TIMEOUT
  • invoked: yes
  • tool_attempt_count: 9
  • error_count: 0
  • repeated_error_count: 0
  • loop_detected: False
  • markdown_tool_imitation: False
  • no_tool_call_after_completion: False

Prompt

Use the shell tool.
Read the URL from challenge-url.txt in the current workspace.
Fetch JSON from that URL. The JSON shape is: {"nonce":"...","payload":"..."}.
Create web-proof.txt in the current workspace with exactly these three lines:
NONCE=<nonce>
PAYLOAD=<payload>
PROOF=<sha256_hex_of_nonce_colon_payload>
Where PROOF is lowercase SHA-256 of the UTF-8 string "<nonce>:<payload>".
Do not invent values.
Do not explain.
If command execution fails, reply only FAIL.
If successful, reply only DONE.

Expected

NONCE=8420a227a446c7f747d8b38977642200
PAYLOAD=91a421fd14956f5f658697e9
PROOF=073ee1f999519ef6866f91a2cbdc6b648d69ccda94b78f2bbf5a53ebc33c794e
REQUEST_HIT=/challenge/Dz-WhMVzC-M0jqKpNXslYpZb

Observed

PROOF=e7ac0786668e0ff0f02b62bd04f45ff636fd82db63b1104601c975dc005f3a67
REQUEST_HIT=yes

Expected vs Observed

--- expected
+++ observed
@@ -1,4 +1,2 @@
-NONCE=8420a227a446c7f747d8b38977642200
-PAYLOAD=91a421fd14956f5f658697e9
-PROOF=073ee1f999519ef6866f91a2cbdc6b648d69ccda94b78f2bbf5a53ebc33c794e
-REQUEST_HIT=/challenge/Dz-WhMVzC-M0jqKpNXslYpZb
+PROOF=e7ac0786668e0ff0f02b62bd04f45ff636fd82db63b1104601c975dc005f3a67
+REQUEST_HIT=yes

Session Transcript

No structured session transcript found.

Tool / Process Output

Warmup stdout

[gripprobe] process_started_at=2026-04-23T18:39:49+00:00
[18:39:51] Created config file at /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/runtime/gptme/warmup/home/.config/gptme/config.toml                                                                                              
[18:39:51] WARNING  Skipping all confirmation prompts.                                                                                                                                                                                                                    cli.py:265
           Using model: local/gemma4:e4b                                                                                                                                                                                                                                            
[18:39:52] Using logdir: /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/runtime/gptme/warmup/state/gptme-logs/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof-warmup                                                       
           Using workspace: /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/workspace-warmup                                                                                                                                       
Skipped 2 hidden system messages, show with --show-hidden
--- ^^^ past messages ^^^ ---
User: 
Use the shell tool.
Read the URL from challenge-url.txt in the current workspace.
Fetch JSON from that URL. The JSON shape is: {"nonce":"...","payload":"..."}.
Create web-proof.txt in the current workspace with exactly these three lines:
NONCE=<nonce>
PAYLOAD=<payload>
PROOF=<sha256_hex_of_nonce_colon_payload>
Where PROOF is lowercase SHA-256 of the UTF-8 string "<nonce>:<payload>".
Do not invent values.
Do not explain.
If command execution fails, reply only FAIL.
If successful, reply only DONE.

````challenge-url.txt
http://127.0.0.1:43211/challenge/lZySgH41VN1fRSV-OPfWG-lE
````
Assistant: Thinking...
                                                                                
Assistant: 
<think>       
<think>
The user wants me to perform a series of steps using the shell tool.
1. Read a URL from `challenge-url.txt`.
2. Fetch JSON data from that URL. The expected JSON shape is `{"nonce":"...","payload":"..."}`.
3. Create a file named `web-proof.txt` with specific content:
    - Line 1: `NONCE=<nonce>`
    - Line 2: `PAYLOAD=<payload>`
    - Line 3: `PROOF=<sha256_hex_of_nonce_colon_payload>`
4. The `PROOF` must be the lowercase SHA-256 hash of the string `"<nonce>:<payload>"`.
5. The output should be "DONE" on success or "FAIL" on failure, with no explanations.

I need to use `curl` or similar tools to fetch the data, and then use shell scripting (like `jq`, `echo`, `sha256sum`, etc.) to process it and write the file.

Step 1: Read the URL.
The URL is in `challenge-url.txt`. I'll read it first.

Step 2: Fetch JSON.
I'll use `curl` with the URL read from the file.

Step 3: Process and write the file.
I need to extract `nonce` and `payload`, calculate the SHA-256 hash, and format the output.

Let's start by reading the URL.
</think>        
</think>

<thinking>          
<thinking>
The user wants me to read a URL from `challenge-url.txt`, fetch JSON data from that URL, and then create `web-proof.txt` containing the nonce, payload, and the SHA-256 hash of "nonce:payload".

I will use the following steps:
1. Read the URL from `challenge-url.txt`.
2. Use `curl` to fetch the JSON data from the URL.
3. Use `jq` (assuming it's available, or standard shell tools if not) to extract `nonce` and `payload`.
4. Construct the string "nonce:payload".
5. Calculate the SHA-256 hash of this string.
6. Write the three required lines to `web-proof.txt`.

Since the environment might not have `jq` or `curl` readily available for complex JSON parsing, I will try to use a combination of `curl` and standard shell tools like `grep`, `sed`, and `echo` if possible, but `jq` is the most robust way for JSON. I will assume standard Linux tools are available.

First, I'll read the URL.
</thinking>           
</thinking>

@shell(call_2q828xk0): {"command":"cat challenge-url.txt"}                                                                                
http://127.0.0.1:43211/challenge/lZySgH41VN1fRSV-OPfWG-lE
System: 
Ran allowlisted command: `cat challenge-url.txt`

`http://127.0.0.1:43211/challenge/lZySgH41VN1fRSV-OPfWG-lE`
[18:40:32] ERROR    exception during auto-name                                                                                                                                                                                                                    auto_naming.py:100
                    Traceback (most recent call last):                                                                                                                                                                                                                              
                      File "/opt/venvs/gptme/lib/python3.12/site-packages/gptme/util/auto_naming.py", line 97, in _generate_llm_name                                                                                                                                                
                        summary_model_name = get_summary_model(current_model.provider)                                                                                                                                                                                              
                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                                                                                                                              
                      File "/opt/venvs/gptme/lib/python3.12/site-packages/gptme/llm/models.py", line 576, in get_summary_model                                                                                                                                                      
                        raise ValueError(f"Provider {provider} did not have a summary model")                                                                                                                                                                                       
                    ValueError: Provider local did not have a summary model                                                                                                                                                                                                         
Assistant: Thinking...
[18:40:33] INFO     Auto-generated conversation name: Fetch JSON from URL                                                                                                                                                                                                chat.py:332
                                                                                
Assistant: 

@shell(call_n4fi8m5b): {"command":"URL=$(cat challenge-url.txt); curl -s \"$URL\""}                                                                                
Preview
URL=$(cat challenge-url.txt); curl -s "$URL"                                                                                                                                                                                                                                        

{"nonce": "22f95a665df0f4b9e9deb0abe4401c6c", "payload": "549011e5f5672f135d74c45c"}System: 
Ran command: `URL=$(cat challenge-url.txt); curl -s "$URL"`

`{"nonce": "22f95a665df0f4b9e9deb0abe4401c6c", "payload": "549011e5f5672f135d74c45c"}`
Assistant: Thinking...
                                                                                
Assistant: 
<thinking>          
<thinking>
I have successfully fetched the JSON data.
The JSON is: `{"nonce": "22f95a665df0f4b9e9deb0abe4401c6c", "payload": "549011e5f5672f135d74c45c"}`.

Nonce: `22f95a665df0f4b9e9deb0abe4401c6c`
Payload: `549011e5f5672f135d74c45c`

Next steps:
1. Calculate the string to hash: `nonce:payload` -> `"22f95a665df0f4b9e9deb0abe4401c6c:549011e5f5672f135d74c45c"`
2. Calculate the SHA-256 hash of this string.
3. Create `web-proof.txt` with the required format.

I will use `echo` and `sha256sum` for hashing.
</thinking>           
</thinking>

@shell(call_8bt4kvz5): {"command":"NONCE=\"22f95a665df0f4b9e9deb0abe4401c6c\"\nPAYLOAD=\"549011e5f5672f135d74c45c\"\nHASH_INPUT=\"${NONCE}:${PAYLOAD}\"\nPROOF=$(echo -n \"$HASH_INPUT\" | sha256sum | awk '{print $1}')\necho \"NONCE=${NONCE}\" \u003e web-proof.txt\necho \"PAYLOAD=${PAYLOAD}\" \u003e\u003e web-proof.txt\necho \"PROOF=${PROOF}\" \u003e\u003e web-proof.txt\ncat web-proof.txt"}                                                                                
Preview
NONCE="22f95a665df0f4b9e9deb0abe4401c6c"                                                                                                                                                                                                                                            
PAYLOAD="549011e5f5672f135d74c45c"                                                                                                                                                                                                                                                  
HASH_INPUT="${NONCE}:${PAYLOAD}"                                                                                                                                                                                                                                                    
PROOF=$(echo -n "$HASH_INPUT" | sha256sum | awk '{print $1}')                                                                                                                                                                                                                       
echo "NONCE=${NONCE}" > web-proof.txt                                                                                                                                                                                                                                               
echo "PAYLOAD=${PAYLOAD}" >> web-proof.txt                                                                                                                                                                                                                                          
echo "PROOF=${PROOF}" >> web-proof.txt                                                                                                                                                                                                                                              
cat web-proof.txt                                                                                                                                                                                                                                                                   

NONCE=22f95a665df0f4b9e9deb0abe4401c6c
PAYLOAD=549011e5f5672f135d74c45c
PROOF=d234ddb9230395f4240c49af86bb4650f69597ee6d321a937971233e7b6ae36c
System: 
Ran command:
```bash
NONCE="22f95a665df0f4b9e9deb0abe4401c6c"
PAYLOAD="549011e5f5672f135d74c45c"
HASH_INPUT="${NONCE}:${PAYLOAD}"
PROOF=$(echo -n "$HASH_INPUT" | sha256sum | awk '{print $1}')
echo "NONCE=${NONCE}" > web-proof.txt
echo "PAYLOAD=${PAYLOAD}" >> web-proof.txt
echo "PROOF=${PROOF}" >> web-proof.txt
cat web-proof.txt
```

```stdout
NONCE=22f95a665df0f4b9e9deb0abe4401c6c
PAYLOAD=549011e5f5672f135d74c45c
PROOF=d234ddb9230395f4240c49af86bb4650f69597ee6d321a937971233e7b6ae36c
```
Assistant: Thinking...
                                                                                
Assistant: 

@shell(call_wx2wwn3i): {"command":"NONCE=\"22f95a665df0f4b9e9deb0abe4401c6c\"\nPAYLOAD=\"549011e5f5672f135d74c45c\"\nHASH_INPUT=\"${NONCE}:${PAYLOAD}\"\nPROOF=$(echo -n \"$HASH_INPUT\" | sha256sum | awk '{print $1}')\necho \"NONCE=${NONCE}\" \u003e web-proof.txt\necho \"PAYLOAD=${PAYLOAD}\" \u003e\u003e web-proof.txt\necho \"PROOF=${PROOF}\" \u003e\u003e web-proof.txt"}                                                                                
Preview
NONCE="22f95a665df0f4b9e9deb0abe4401c6c"                                                                                                                                                                                                                                            
PAYLOAD="549011e5f5672f135d74c45c"                                                                                                                                                                                                                                                  
HASH_INPUT="${NONCE}:${PAYLOAD}"                                                                                                                                                                                                                                                    
PROOF=$(echo -n "$HASH_INPUT" | sha256sum | awk '{print $1}')                                                                                                                                                                                                                       
echo "NONCE=${NONCE}" > web-proof.txt                                                                                                                                                                                                                                               
echo "PAYLOAD=${PAYLOAD}" >> web-proof.txt                                                                                                                                                                                                                                          
echo "PROOF=${PROOF}" >> web-proof.txt                                                                                                                                                                                                                                              

System: 
Ran command:
```bash
NONCE="22f95a665df0f4b9e9deb0abe4401c6c"
PAYLOAD="549011e5f5672f135d74c45c"
HASH_INPUT="${NONCE}:${PAYLOAD}"
PROOF=$(echo -n "$HASH_INPUT" | sha256sum | awk '{print $1}')
echo "NONCE=${NONCE}" > web-proof.txt
echo "PAYLOAD=${PAYLOAD}" >> web-proof.txt
echo "PROOF=${PROOF}" >> web-proof.txt
```

No output
Assistant: Thinking...
                                                                                
Assistant: 
<thinking>          
<thinking>
The previous command successfully created `web-proof.txt` with the correct content structure and the calculated SHA-256 hash.

The required output is "DONE" if successful.
</thinking>           
</thinking>
DONE                                                                                
[18:41:21] INFO     Auto-reply: Assistant message had no tools. Asking for confirmation...                                                                                                                                                                           complete.py:138
[18:41:21] [Loop control] <system>No tool call detected in last message. Did you mean to finish? If so, make sure you are comp...                                                                                                                                                   
User: <system>No tool call detected in last message. Did you mean to finish? If so, make sure you are completely done and then use the `complete` tool to end the session.</system>
Assistant: Thinking...
                                                                                
Assistant: 
<think>       
<think>
The user provided a system message indicating that no tool call was detected in the last message and suggesting I use the `complete` tool if I am finished.

In the previous turn, I executed the final steps of the task (creating the file and confirming completion) and then manually outputted "DONE". Since the task is complete and I have signaled success, I should now use the `complete` tool.
</think>        
</think>


@complete(call_kt55ibli): {}                                                                                
System: Task complete. Autonomous session finished.
[18:41:27] INFO     Complete tool call detected, stopping session immediately                                                                                                                                                                                         complete.py:80
           INFO     Hook 'complete.complete' signaled session completion                                                                                                                                                                                             __init__.py:360
[18:41:27] Autonomous mode: Session completed via complete tool. Exiting.                                                                                                                                                                                                           

Goodbye! (resume with: gptme --name gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof-warmup)

[gripprobe] process_finished_at=2026-04-23T18:41:28+00:00 exit_code=0

Warmup stderr

[gripprobe] process_started_at=2026-04-23T18:39:49+00:00

[gripprobe] process_finished_at=2026-04-23T18:41:28+00:00 exit_code=0

Measured stdout

[gripprobe] process_started_at=2026-04-23T18:41:28+00:00
[18:41:29] Created config file at /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/runtime/gptme/measured/home/.config/gptme/config.toml                                                                                            
[18:41:29] WARNING  Skipping all confirmation prompts.                                                                                                                                                                                                                    cli.py:265
           Using model: local/gemma4:e4b                                                                                                                                                                                                                                            
[18:41:30] Using logdir: /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/runtime/gptme/measured/state/gptme-logs/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof-measured                                                   
           Using workspace: /work/results/runs/20260423T183136Z/cases/gptme__local_gemma4_e4b__ollama__tool__web_nonce_proof/workspace                                                                                                                                              
Skipped 2 hidden system messages, show with --show-hidden
--- ^^^ past messages ^^^ ---
User: 
Use the shell tool.
Read the URL from challenge-url.txt in the current workspace.
Fetch JSON from that URL. The JSON shape is: {"nonce":"...","payload":"..."}.
Create web-proof.txt in the current workspace with exactly these three lines:
NONCE=<nonce>
PAYLOAD=<payload>
PROOF=<sha256_hex_of_nonce_colon_payload>
Where PROOF is lowercase SHA-256 of the UTF-8 string "<nonce>:<payload>".
Do not invent values.
Do not explain.
If command execution fails, reply only FAIL.
If successful, reply only DONE.

````challenge-url.txt
http://127.0.0.1:43211/challenge/Dz-WhMVzC-M0jqKpNXslYpZb
````
Assistant: Thinking...
                                                                                
Assistant: 
<think>       
<think>
The user wants me to perform a series of steps using the shell tool.
1. Read a URL from `challenge-url.txt`.
2. Fetch JSON data from that URL. The expected JSON shape is `{"nonce":"...","payload":"..."}`.
3. Create a file named `web-proof.txt` with specific content:
    - Line 1: `NONCE=<nonce>`
    - Line 2: `PAYLOAD=<payload>`
    - Line 3: `PROOF=<sha256_hex_of_nonce_colon_payload>`
4. The `PROOF` must be the lowercase SHA-256 hash of the string `"<nonce>:<payload>"`.
5. The output should be "DONE" on success or "FAIL" on failure, with no explanations.

I need to use `curl` or similar tools to fetch the data, and then use shell scripting (like `jq`, `echo`, `sha256sum`, etc.) to process it and write the file.

Step 1: Read the URL.
The URL is in `challenge-url.txt`. I'll read it first.

Step 2: Fetch JSON.
I'll use `curl` with the URL read from the file.

Step 3: Process and write the file.
I need to extract `nonce` and `payload`, calculate the SHA-256 hash, and format the output.

Let's start by reading the URL.
</think>        
</think>

<thinking>          
<thinking>
The user wants me to read a URL from `challenge-url.txt`, fetch JSON data from it, calculate a SHA-256 hash, and write the results to `web-proof.txt`.

1.  **Read URL:** Use `cat challenge-url.txt` to get the URL.
2.  **Fetch JSON:** Use `curl` with the retrieved URL.
3.  **Process JSON:** The JSON is expected to be `{"nonce":"...","payload":"..."}`. I will use `jq` to extract `nonce` and `payload`.
4.  **Calculate Hash:** The hash is SHA-256 of `"<nonce>:<payload>"`. I will construct the string and pipe it to `sha256sum`.
5.  **Write File:** Use `echo` or redirection to write the three lines to `web-proof.txt`.

I will combine these steps into a single robust shell script execution.
</thinking>           
</thinking>

@shell(call_burwy6xq): {"command":"URL=$(cat challenge-url.txt); JSON=$(curl -s \"$URL\"); NONCE=$(echo \"$JSON\" | jq -r '.nonce'); PAYLOAD=$(echo \"$JSON\" | jq -r '.payload'); INPUT_STRING=\"${NONCE}:${PAYLOAD}\"; PROOF=$(echo -n \"$INPUT_STRING\" | sha256sum | awk '{print $1}'); echo \"NONCE=$NONCE\"; echo \"PAYLOAD=$PAYLOAD\"; echo \"PROOF=$PROOF\" \u003e web-proof.txt; echo \"DONE\""}                                                                                
Preview
URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | jq -r '.nonce'); PAYLOAD=$(echo "$JSON" | jq -r '.payload'); INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(echo -n "$INPUT_STRING" | sha256sum | awk '{print $1}'); echo "NONCE=$NONCE"; echo "PAYLOAD=$P

NONCE=
PAYLOAD=
DONE
System: 
Ran command: `URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | jq -r '.nonce'); PAYLOAD=$(echo "$JSON" | jq -r '.payload'); INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(echo -n "$INPUT_STRING" | sha256sum | awk '{print $1}'); echo "NONCE=$NONCE"; 
echo "PAYLOAD=$PAYLOAD"; echo "PROOF=$PROOF" > web-proof.txt; echo "DONE"`

```stdout
NONCE=
PAYLOAD=
DONE
```

```stderr
bash: line 23: jq: command not found
bash: line 23: jq: command not found
```
Assistant: Thinking...
[18:42:14] ERROR    exception during auto-name                                                                                                                                                                                                                    auto_naming.py:100
                    Traceback (most recent call last):                                                                                                                                                                                                                              
                      File "/opt/venvs/gptme/lib/python3.12/site-packages/gptme/util/auto_naming.py", line 97, in _generate_llm_name                                                                                                                                                
                        summary_model_name = get_summary_model(current_model.provider)                                                                                                                                                                                              
                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                                                                                                                              
                      File "/opt/venvs/gptme/lib/python3.12/site-packages/gptme/llm/models.py", line 576, in get_summary_model                                                                                                                                                      
                        raise ValueError(f"Provider {provider} did not have a summary model")                                                                                                                                                                                       
                    ValueError: Provider local did not have a summary model                                                                                                                                                                                                         
[18:42:15] INFO     Auto-generated conversation name: Fetch JSON from URL                                                                                                                                                                                                chat.py:332
                                                                                
Assistant: 

@shell(call_ikktq3bj): {"command":"URL=$(cat challenge-url.txt); JSON=$(curl -s \"$URL\"); NONCE=$(echo \"$JSON\" | jq -r '.nonce'); PAYLOAD=$(echo \"$JSON\" | jq -r '.payload'); INPUT_STRING=\"${NONCE}:${PAYLOAD}\"; PROOF=$(echo -n \"$INPUT_STRING\" | sha256sum | awk '{print $1}'); echo \"NONCE=$NONCE\"; echo \"PAYLOAD=$PAYLOAD\"; echo \"PROOF=$PROOF\" \u003e web-proof.txt; echo \"DONE\""}                                                                                
Preview
URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | jq -r '.nonce'); PAYLOAD=$(echo "$JSON" | jq -r '.payload'); INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(echo -n "$INPUT_STRING" | sha256sum | awk '{print $1}'); echo "NONCE=$NONCE"; echo "PAYLOAD=$P

NONCE=
PAYLOAD=
DONE
System: 
Ran command: `URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | jq -r '.nonce'); PAYLOAD=$(echo "$JSON" | jq -r '.payload'); INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(echo -n "$INPUT_STRING" | sha256sum | awk '{print $1}'); echo "NONCE=$NONCE"; 
echo "PAYLOAD=$PAYLOAD"; echo "PROOF=$PROOF" > web-proof.txt; echo "DONE"`

```stdout
NONCE=
PAYLOAD=
DONE
```

```stderr
bash: line 26: jq: command not found
bash: line 26: jq: command not found
```
Assistant: Thinking...
                                                                                
Assistant: 
<think>       
<think>
The previous attempt failed because `jq` was not found in the environment.

I need to re-evaluate how to extract `nonce` and `payload` from the JSON string without `jq`. Since the JSON structure is simple and known (`{"nonce":"...","payload":"..."}`), I can use standard shell tools like `grep` and `sed` or parameter expansion/regex matching if the JSON is guaranteed to be clean.

Given the JSON structure: `{"nonce":"<nonce>","payload":"<payload>"}`.

1.  **Extract Nonce:** `grep -o '"nonce":"[^"]*"' | sed 's/"nonce":"[/dim]([^"]*[/dim])"/[/dim]1/'`
2.  **Extract Payload:** `grep -o '"payload":"[^"]*"' | sed 's/"payload":"[/dim]([^"]*[/dim])"/[/dim]1/'`

Let's refine the script using `grep` and `sed` for JSON parsing, as `jq` is unavailable.

The overall plan remains:
1. Get URL.
2. Fetch JSON using `curl`.
3. Extract NONCE and PAYLOAD using `grep`/`sed`.
4. Calculate PROOF using `sha256sum`.
5. Write to `web-proof.txt` and output "DONE".

I will execute the corrected script.
</think>        
</think>


@shell(call_ftjbpzr3): {"command":"URL=$(cat challenge-url.txt); JSON=$(curl -s \"$URL\"); NONCE=$(echo \"$JSON\" | grep -o '\"nonce\":\"[^\"]*\"' | sed 's/\"nonce\":\"\\([^\"]*\\)\"/\\1/'); PAYLOAD=$(echo \"$JSON\" | grep -o '\"payload\":\"[^\"]*\"' | sed 's/\"payload\":\"\\([^\"]*\\)\"/\\1/'); INPUT_STRING=\"${NONCE}:${PAYLOAD}\"; PROOF=$(echo -n \"$INPUT_STRING\" | sha256sum | awk '{print $1}'); echo \"NONCE=$NONCE\"; echo \"PAYLOAD=$PAYLOAD\"; echo \"PROOF=$PROOF\" \u003e web-proof.txt; echo \"DONE\""}                                                                                
Preview
URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | grep -o '"nonce":"[^"]*"' | sed 's/"nonce":"\([^"]*\)"/\1/'); PAYLOAD=$(echo "$JSON" | grep -o '"payload":"[^"]*"' | sed 's/"payload":"\([^"]*\)"/\1/'); INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(ec

NONCE=
PAYLOAD=
DONE
System: 
Ran command: `URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | grep -o '"nonce":"[^"]*"' | sed 's/"nonce":"\([^"]*\)"/\1/'); PAYLOAD=$(echo "$JSON" | grep -o '"payload":"[^"]*"' | sed 's/"payload":"\([^"]*\)"/\1/'); 
INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(echo -n "$INPUT_STRING" | sha256sum | awk '{print $1}'); echo "NONCE=$NONCE"; echo "PAYLOAD=$PAYLOAD"; echo "PROOF=$PROOF" > web-proof.txt; echo "DONE"`

```stdout
NONCE=
PAYLOAD=
DONE
```
Assistant: Thinking...
                                                                                
Assistant: 

@shell(call_i4409j6l): {"command":"URL=$(cat challenge-url.txt); JSON=$(curl -s \"$URL\"); NONCE=$(echo \"$JSON\" | grep -o '\"nonce\":\"[^\"]*\"' | sed 's/\"nonce\":\"\\([^\"]*\\)\"/\\1/'); PAYLOAD=$(echo \"$JSON\" | grep -o '\"payload\":\"[^\"]*\"' | sed 's/\"payload\":\"\\([^\"]*\\)\"/\\1/'); INPUT_STRING=\"${NONCE}:${PAYLOAD}\"; PROOF=$(echo -n \"$INPUT_STRING\" | sha256sum | awk '{print $1}'); echo \"NONCE=$NONCE\"; echo \"PAYLOAD=$PAYLOAD\"; echo \"PROOF=$PROOF\" \u003e web-proof.txt; echo \"DONE\""}                                                                                
Preview
URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | grep -o '"nonce":"[^"]*"' | sed 's/"nonce":"\([^"]*\)"/\1/'); PAYLOAD=$(echo "$JSON" | grep -o '"payload":"[^"]*"' | sed 's/"payload":"\([^"]*\)"/\1/'); INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(ec

NONCE=
PAYLOAD=
DONE
System: 
Ran command: `URL=$(cat challenge-url.txt); JSON=$(curl -s "$URL"); NONCE=$(echo "$JSON" | grep -o '"nonce":"[^"]*"' | sed 's/"nonce":"\([^"]*\)"/\1/'); PAYLOAD=$(echo "$JSON" | grep -o '"payload":"[^"]*"' | sed 's/"payload":"\([^"]*\)"/\1/'); 
INPUT_STRING="${NONCE}:${PAYLOAD}"; PROOF=$(echo -n "$INPUT_STRING" | sha256sum | awk '{print $1}'); echo "NONCE=$NONCE"; echo "PAYLOAD=$PAYLOAD"; echo "PROOF=$PROOF" > web-proof.txt; echo "DONE"`

```stdout
NONCE=
PAYLOAD=
DONE
```
Assistant: Thinking...
                                                                                
Assistant: 
<thinking>          
<thinking>
The execution was successful in terms of command completion, but the output shows empty values for NONCE and PAYLOAD, and the file `web-proof.txt` was created, but I cannot verify its content or the success of the extraction.

The previous attempts failed to extract the values, even though the shell command ran without explicit errors (other than the initial `jq` failure). This suggests that either:
1. The `curl` command failed to fetch the data (e.g., due to the local URL `http://127.0.0.1:43211/challenge/Dz-WhMVzC-M0jqKpNXslYpZb` not being accessible or returning an unexpected format).
2. The JSON parsing logic is flawed for the actual output received.

Since the URL is `http://127.0.0.1:43211/challenge/Dz-WhMVzC-M0jqKpNXslYpZb`, it is a local address, and I cannot guarantee its availability or content. However, I must assume the environment is set up to allow the command to run and complete the task.

Let's first check the content of `challenge-url.txt` and then check the output of `curl` to see what JSON is actually being received.

Step 1: Check `challenge-url.txt`.
Step 2: Check the raw output of `curl` using the URL.
Step 3: Re-run the extraction logic based on the actual output.
</thinking>           
</thinking>

@shell(call_t0m342h9): {"command":"cat challenge-url.txt"}                                                                                
http://127.0.0.1:43211/challenge/Dz-WhMVzC-M0jqKpNXslYpZb
System: 
Ran allowlisted command: `cat challenge-url.txt`

`http://127.0.0.1:43211/challenge/Dz-WhMVzC-M0jqKpNXslYpZb`
Skipped 1 hidden system messages, show with --show-hidden
Assistant: Thinking...
[gripprobe] process_finished_at=2026-04-23T18:43:28+00:00 exit_code=124 timeout=true

Measured stderr

[gripprobe] process_started_at=2026-04-23T18:41:28+00:00
bash: line 23: jq: command not found
bash: line 23: jq: command not found
bash: line 26: jq: command not found
bash: line 26: jq: command not found

[gripprobe] process_finished_at=2026-04-23T18:43:28+00:00 exit_code=124 timeout=true