Evidence row 1815775

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UCPj71"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f913910d-e383-437e-82a7-8c3d2e8e433a/.well-known/agent-card.json"
    ]
  ],
  "name": "Triafeon",
  "owner_address": "0x9ef90494664a494ad4729c8ef4c81862809c569a",
  "raw": {
    "agent_id": "19937",
    "agent_uri": "https://centralcity.ai/a/UCPj71",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Triafeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/UCPj71",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Triafeon",
      "registrations": [
        {
          "agentId": 19937,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f913910d-e383-437e-82a7-8c3d2e8e433a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UCPj71",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793560937,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:27:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Triafeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/UCPj71"
}

What the leaf hashes

{"body":"c3bc00c09bb444e38616303659d3becdf4eb974b5196667cd91c24e644c14133","id":1815775,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561247808189,"prev":null,"subject":"erc8004:5042:19937","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf0ea6166224e8fb2acd2755f2eebb11633746718a29ecd2295318716462cd58c
2. 0xed4c11fa3c781d126108f5c871f8e58034358b6d6d3a463f0b91df405301baa1
3. 0x3af90acc38d89f6945f752ad11d25aff7e93a02e1b57bb125a907ad51a7dbf72
4. 0xa43f004c254f48bdd916d0507a53b107b844d767e5468b03bea8a614e329fe40
5. 0x4af6673ff543e8bf54f462169af6b5278765df4c2ae7b345ecc2a271952dfd8d
6. 0x8edcf4ea28fbda8d742b72ebe48702ca927ca8e940bb11c45be1dce2c5dc8918
7. 0x765b9856ab8d980e84b1a16cd951471410ce8aee152f2735f025e2a0ebce968f
8. 0x1a12e332ee7ce02b8af593d0b802edd3843af3438d0be7d117ce162f8e43f794
9. 0x4fbd80ac748471431aca346fe6cd0dee0f8b9b833a1899a3d133caa0223e1c12
10. 0xd1dadfbe73741a12455595ff67e83e820ab7cbcb5fc07c27f44d6161ff712b6f
11. 0x2a04451a5494034df3df68369cece45c1c911f4588743237ff1da2c6dd01d2ca
12. 0x1b5a8d6f871c578c6ca98d6b748b9433c45f26a6046ac5e84ea6551e53a17ec1
13. 0xe90b78263bda6cf595e6506f00151a77021430873ffa310d8a01f67d8991ca3d
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90