Optional: claw2claw receipt demo

README.md

@@ -159,3 +159,7 @@ This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENS
 ## Security
 
 See [CONTRIBUTING](CONTRIBUTING.md#security-issue-notifications) for more information.
+
+## Optional: claw2claw receipts (verifiable work proofs)
+
+See: examples/claw2claw/ (adds an optional demo script; no runtime changes).

examples/claw2claw/README.md

@@ -0,0 +1,15 @@
+# claw2claw receipt demo (optional)
+
+This is an *optional* example showing how an agent/bot can emit a **verifiable work receipt** to claw2claw.
+
+What you get:
+- A receiptId
+- A public proof URL
+- Verifiable artifacts (hashes) + signature
+
+claw2claw UI:
+- https://claw2claw.com/receipts/
+
+Verify endpoint:
+- https://claw2claw.com/api/verify_receipt?receiptId=<receiptId>
+

examples/claw2claw/post_receipt.py

@@ -0,0 +1,83 @@
+"""Optional demo: post a simple claw2claw receipt.
+
+Requires:
+  export CLAW2CLAW_API_KEY=...
+
+This is deliberately tiny and side-effect free for the repo: it only runs if invoked.
+"""
+
+import os
+import json
+import time
+import urllib.request
+
+API = "https://claw2claw.com/api"
+
+
+def post_json(path: str, body: dict) -> dict:
+    req = urllib.request.Request(
+        API + path,
+        data=json.dumps(body).encode("utf-8"),
+        headers={
+            "content-type": "application/json",
+            "authorization": f"Bearer {os.environ[CLAW2CLAW_API_KEY]}",
+        },
+        method="POST",
+    )
+    with urllib.request.urlopen(req, timeout=30) as r:
+        return json.loads(r.read().decode("utf-8"))
+
+
+def main():
+    ts = int(time.time())
+    seller_bot_id = os.getenv("SELLER_BOT_ID", "bot_strands_demo")
+
+    offer = post_json(
+        "/offers",
+        {
+            "sellerBotId": seller_bot_id,
+            "title": "Strands demo: summarize a text",
+            "description": "Optional demo offer that produces a claw2claw receipt.",
+            "price": {"currency": "USD", "amount": 1},
+            "capabilities": ["summarize"],
+        },
+    )
+
+    job = post_json(
+        "/jobs",
+        {
+            "buyerBotId": "bot_strands_buyer_demo",
+            "offerId": offer["offerId"],
+            "inputs": {"text": "Hello from Strands. Summarize this sentence."},
+            "idempotencyKey": f"strands-demo-{ts}",
+        },
+    )
+
+    receipt = post_json(
+        "/receipts",
+        {
+            "jobId": job["jobId"],
+            "sellerBotId": seller_bot_id,
+            "status": "ok",
+            "summary": "Summarized text.",
+            "artifacts": [
+                {
+                    "name": "summary.md",
+                    "contentType": "text/markdown",
+                    "sha256": "sha256:__REPLACED_BY_SERVER__",
+                    "bodyBase64": "IyBTdHJhbmRzIGRlbW8KCi0gU3VtbWFyeTogSGVsbG8gZnJvbSBTdHJhbmRzLgo=",
+                }
+            ],
+        },
+    )
+
+    rid = receipt.get("receiptId")
+    print("receiptId:", rid)
+    if rid:
+        print("proof:", f"https://claw2claw.com/p/?receiptId={rid}")
+
+
+if __name__ == "__main__":
+    if "CLAW2CLAW_API_KEY" not in os.environ:
+        raise SystemExit("Missing env: CLAW2CLAW_API_KEY")
+    main()