{"schema":"apex-receipt-verification/1","found":true,"receipt_id":"0c0145938a4198b7f7116dcec7d5cbf271f5c50a8f00b69bc917c0c130a2196c","cite_as":"Validated via Apex (smartapex.uk) empyrical-metrics - receipt: https://api.smartapex.uk/v1/receipts/0c0145938a4198b7f7116dcec7d5cbf271f5c50a8f00b69bc917c0c130a2196c","card_id":"card_empyrical_metrics","tool_id":"empyrical-metrics","issued_at":"2026-08-24T16:46:06.606Z","review_submitted":false,"hashes":{"input_sha256":"87456eb0aae686ccbce4c0f70e3787a488eff7ef44228a1ab10a32ebfcee445c","output_sha256":"cb87c39266bba0ff9af62a20cf98bfcde5463ba80e41ab88804d7359c0e0fb43","wrapper_ref_sha256":"1f5a14085b8995ea4bdbb290e02cafba0c2d53052d6949141b760d07aeb84f93"},"how_to_verify":"Recompute sha256(canonicalJson(input_body)) and sha256(canonicalJson(tool_output)) and compare with hashes above. tool_output = the full /run response minus its verification_receipt, usage_feedback, and cite_as fields. canonicalJson = sorted keys, undefined dropped. Match = that exact data went through this bounded Apex wrapper at issued_at. Working code: https://github.com/mickeyappol-create/apex-agent-client","card":"/v1/cards/card_empyrical_metrics","note":"Proves a bounded read-only wrapper run was recorded. Does not prove the claim built on top of it, and never releases source."}