{
  "signed_by": "sasame-trust-302a300506032b65",
  "signature": "admR0TOvRhlQgoR5J3l9+vxG+cLucUYmYJ8WllRpHpyq4W3x75sW3j7KMR/5kHT9xFDHh+8gWR6rLD6X4HH1Bg==",
  "canonical_json": "{\"criteria\":[{\"evidence_sha256\":\"2d2eb0c4f53b8e8c7954b414bdd967587dc88e69b8b0fc5b5eedbfa28a15733a\",\"id\":\"C1\",\"pass\":true},{\"evidence_sha256\":\"243c47c9ba9135cc566b3edc6a6a098428cedc1e7552d0f1969e3fa224a50cce\",\"id\":\"C2\",\"pass\":true},{\"evidence_sha256\":\"e3253d3253c65ea141b45c7a5e3664c6b735176795fd85f614a008b9658a332b\",\"id\":\"C3\",\"pass\":true},{\"evidence_sha256\":\"3e91d5832c2cd0fc325c3a60156db9ffa44ca85c2e27075092d8d7e053387905\",\"id\":\"C4\",\"pass\":true},{\"evidence_sha256\":\"370c9f45dd554c4ae7d821417f49c3e676e5548bf5830eb5b21fe6682221f57e\",\"id\":\"C5\",\"pass\":false},{\"evidence_sha256\":\"4b465e75b6b950c3055be2a0358f559f831638f813ec3761ffa1069c0d5ba0f1\",\"id\":\"C6\",\"pass\":true},{\"evidence_sha256\":\"46423662f808bc620ac38569d51dca503a854d85b249d4a5827fd55c94d328d3\",\"id\":\"C7\",\"pass\":true},{\"evidence_sha256\":\"73ac5227fc88a5c95f4eaea34c01a1927ec826573dacd3c76012448203875fef\",\"id\":\"C8\",\"pass\":true},{\"evidence_sha256\":\"671bec53d48b60f4b16ba6dc99c11739a0d1b16d2114d2e963dd2e219d22ebae\",\"id\":\"C9\",\"pass\":true},{\"evidence_sha256\":\"234a3363c1a9ce4004355641f95bdea6fe590ca464d6fa5ce841efa551463daa\",\"id\":\"C10\",\"pass\":true}],\"delivery\":\"verified: substantive MCP content[] from tool 'search_businesses'\",\"expires_at\":\"2026-07-02T18:40:08.118Z\",\"grade\":\"B\",\"honesty_cap\":null,\"issuer\":\"SaSame SRL\",\"issuer_pubkey_spki_hex\":\"302a300506032b6570032100439ce47d384c8ceb07c9040aef780cc3a2ba5a63c14027ad77ab458111f20fb6\",\"level\":\"observed\",\"note\":\"Re-verify offline: ed25519.verify(signature, utf8(canonical_json), issuer_pubkey). Then re-run the audit against subject and recompute each evidence_sha256. No callback to SaSame required.\",\"observed_at\":\"2026-06-18T18:40:08.117Z\",\"observed_by\":\"SaSame\",\"passes\":\"9/10\",\"probe_set_sha256\":\"7c544674d4d439b963bf74237a39f01a7df65996f2be17e4b631b0485a49926f\",\"spec_pins\":{\"mcp_spec\":\"2025-11-25\",\"registry_schema\":\"2025-12-11\"},\"standard\":\"agent-tool-discoverability-standard/0.2\",\"statement\":\"SaSame OBSERVED this public endpoint from the outside on the date below and it met the criteria. This is NOT an owner-confirmed claim and NOT an official endorsement — it is a third-party observation anyone can re-run.\",\"subject\":{\"endpoint_sha256\":\"00839ce4979837acc68f2fd0f0296a44a7e97e7c7169aa2ca8608e9b4b7a29b3\",\"server_url\":\"https://mcp.heyspark.co/mcp\"},\"unclaimed\":true}"
}