Evidence row 258107

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Extract URLs, paper refs, DOIs, arXiv ids, and statistics from text",
      "inputSchema": {
        "properties": {
          "text": {
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "extract_citations"
    },
    {
      "description": "Probe a single URL for reachability and final destination",
      "inputSchema": {
        "properties": {
          "url": {
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "probe_url"
    },
    {
      "description": "Extract + probe URLs + return trust score",
      "inputSchema": {
        "properties": {
          "probe_urls": {
            "default": true,
            "type": "boolean"
          },
          "text": {
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "verify_citations"
    }
  ]
}

What the leaf hashes

{"body":"61566fe486b7504e1ed3229594ba067a7bb27e260a6f15385aaf5f5f379167c1","id":258107,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793029943052859,"prev":null,"subject":"67863cfb-97b8-4672-b4c8-d4128e1b5c33","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. 0x3d7acadb88da2ce4685455e7fbf61cf729578404fd3cd259a409bd16f9c5cae4
2. 0x1e2931c4b2dc1e5370ed60bf918c340d2005eba494f1abedacc3dcfd29229cb8
3. 0x5ca2a78e08c057f3a235158ee564d4cf8ba4f68d2ff84d1f32a95466883ee7e9
4. 0xb8fc007ac0efed04bd832b98cbeb138be5b2fc551ae99330cad2691166653da8
5. 0xbc2cff72036c7976015697b3e9f95e904a105389a9967f8903ff5ea81bed11da
6. 0xc19a2ab5afa759c9ce128f3a2a0e12172cd8107bc4b29a07c90af27c04e92d76
7. 0xd33f0ea2e3580d7dd4789b7ccfb55e0c85910bdd601d3f07bad7047e0a53a293
8. 0x8e6cc66121610976e51686a630a0d7c2b0415e9a88109bbb4036cfe26396ef91
9. 0xb702a3a64944a024323f951212aca330f15fa56a50d2f80bbbc07a505cdbf6c6
10. 0x46e925b5e825b92710b39bef7e87d883d131661462048f287a27325752df91f3
11. 0xc900cc76dc3702a3e60eaef3577f119464a6a90c3e2b646253f2ba09c089de97
12. 0xd04df0f7f3be4d014b4cea8172ada286fbcf5bcb32ae1b281704fd75627b661b
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae