Evidence row 293542

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Look up a Ukrainian licence plate on trustcar.info: region, vehicle (make/model/year/fuel), rating and recent reviews.",
      "inputSchema": {
        "properties": {
          "plate": {
            "description": "Plate number, e.g. AA1234BB",
            "type": "string"
          }
        },
        "required": [
          "plate"
        ],
        "type": "object"
      },
      "name": "lookup_plate"
    },
    {
      "description": "Post a licence-plate review on behalf of the authenticated user. Requires an OAuth access token with the \"write\" scope (discover via /.well-known/oauth-protected-resource). The review is labelled AI-agent-generated, shown in a separate section, and does NOT affect the human rating.",
      "inputSchema": {
        "properties": {
          "plate": {
            "description": "Plate number, e.g. AA1234BB",
            "type": "string"
          },
          "rating": {
            "description": "Star rating 1-5",
            "type": "integer"
          },
          "text": {
            "description": "Review text (min 3 chars)",
            "type": "string"
          }
        },
        "required": [
          "plate",
          "rating",
          "text"
        ],
        "type": "object"
      },
      "name": "post_review"
    },
    {
      "description": "List recently active plates on trustcar.info (with vehicle make/model where known).",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "1-50, default 12",
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "recent_plates"
    }
  ]
}

What the leaf hashes

{"body":"55788c28353d6a936f744bde30820d4ec92c33164a34adfaff316fcf87fdff62","id":293542,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793049461367991,"prev":null,"subject":"16a3149f-e616-4caa-b636-e62c18c71b3b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x9c00b3ccbf460c8c0fbfd43bef9157480a1fd50aa1cb25b4efe5faadfd28134e
2. 0xf39e66f2773b0daa00ba690e1cafd2e02f851f33539df155c121c823d7923e17
3. 0x906b9d10d3e090c11da0e84738872c8fbfa26e49283e106a124f9338639012bd
4. 0x95415574bd220e7d97c52e39b72f8218e7d3d2b1f65372b29c4e3d6577b71331
5. 0x41f6b2d6469990f0ef4243fa548f426a932848b4b2e4157b6aadc1c9d77a9fd5
6. 0x8757e3ace0f2f74850e4722774779aad714c00d3bb85a0d9fa94783cd040dd78
7. 0xceec8004920e98da3c49373ba9f779aec07bba59f89f99154a4e39fec96e6669
8. 0xf7e4d5174114be53b31e719187eb16e7768e427d1137ccd1d68cb68cca7faa61
9. 0x6ed3498d68754cd5612ca4de245ebb82cea9cf9210ccc5f545ee627e71912c9d
10. 0x5a1f256cf13b45bc022bfed6d7f60b9340951c3cdb79185c1910586f812c10f2
11. 0xb79ffe067e46a7abdcd59167d8556c652ce9f0f297fbf7808095f49485591c09
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae