Evidence row 578074

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Get the full detail record for one provider by 'id'. Use the 'id' value returned by search_provider.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "The provider id returned by search_provider (e.g. 'prov-001').",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_provider_details"
    },
    {
      "description": "Search the provider directory by name, specialty, and/or city. Returns a list of matching providers, each with an 'id' that can be passed to get_provider_details for the full record.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "acceptingNewPatients": {
            "description": "If set, only return providers with this intake status.",
            "type": "boolean"
          },
          "city": {
            "description": "City to match (e.g. 'Durham').",
            "type": "string"
          },
          "name": {
            "description": "Full or partial provider name to match (e.g. 'Jessica').",
            "type": "string"
          },
          "specialty": {
            "description": "Specialty to match (e.g. 'Pediatrics', 'Cardiology').",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_provider"
    }
  ]
}

What the leaf hashes

{"body":"acac41656b3c3f3d32cf85258c5071e85af051e687e9a11b338ffb1a01bed270","id":578074,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793142850585846,"prev":null,"subject":"3322a7c2-f031-4de7-a107-40458bb74c42","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x1a437de4eaca45480e34c3076b71d0bf61d13f293d6b580a05545ca2159088cf
2. 0x94ee2f4b983004d8a63555f404b892a00bc977c0ae2dbfda2b66c6c73afdb970
3. 0xcfdb11b52872e0715a7fa1eb1756a7224ba630c4fca65e42ed5be0c727dbdc43
4. 0x8428104ad53de131da49a94708cf460eb075771761a3e67cb1f453641aff9497
5. 0xddd9356532a776c73b599611688afbc380edfd147ef3894306b5efa0598f8c44
6. 0x41da5a10b119bad6a9dfc3cc6678a50acf1b0a9de520f800d117d8f63435e91b
7. 0x471d66668845d08906875fb5bc0e201fd34cc11cb470973a26e66e2373627e72
8. 0xe39ad471ba57ee0a8698bbc92c43eb79ebc38e464d35be2a6540b50aeaf5a05b
9. 0xd0c9bbcbedf93dbd7738df5e71de22bb7e52e522a790d0aaab2d180665c2598b
10. 0x18dcc8ec5d08dda2711d07822e8776945073f8a3a9911b47a3fd93f1d5a1b403
11. 0x939c306fccf6f9ecd4e13859e2994a9f95dde80f56072b4b7be22ed4cc49b483
12. 0x864874d7fe156494acebcd974fb0ea64b6d7d6ef442b90a07ce8adbc57f7d75b
13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4