Evidence row 3131039

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/byrJ1f"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/14b0d107-7aa6-49e2-b2f2-550f71a5f03b/.well-known/agent-card.json"
    ]
  ],
  "name": "Messert",
  "owner_address": "0xa6d0a73a346dbf7710a1455a7877cb171e958a98",
  "raw": {
    "agent_id": "294950",
    "agent_uri": "https://centralcity.ai/a/byrJ1f",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Messert 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/byrJ1f",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Messert",
      "registrations": [
        {
          "agentId": 294950,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/14b0d107-7aa6-49e2-b2f2-550f71a5f03b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/byrJ1f",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793826936,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T21:17:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Messert 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/byrJ1f"
}

What the leaf hashes

{"body":"a964ccc46ce33e0196f304c6a546c1f22f32f1e4162384c15069f09c3f5251cf","id":3131039,"kind":"listing","method":"sync.erc8004/1","observed_us":1793827053734627,"prev":null,"subject":"erc8004:5042:294950","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xb468849076b49264ae6ff32b3650a92c67b587d4cf23b3989a3d4bd5a7b137ba
2. 0x6399555783636a299a5a5c8e733ee2929a650cc01e972799a001d88c701cda75
3. 0x2cabae96222fd17036c97dd78189fbac96f969b24eed36006f82687a7bc21572
4. 0x67f5186c5831164bf0ff3b38065698751d6e3a4c89f2121e4cc3e120856fb87b
5. 0x804c51ade95392bb99ca4c80eaab5058a633ed0a2ecd6696799312f9181d04b8
6. 0x777bb3570bac26feaa658e73eafe251ff76095252a8b7888bf53057222e03f91
7. 0xeb57a3f7eeb905817cd800504cdaeeeb746a6e84472bcbfc449e54603f949e45
8. 0x6b4a2bb3e392b167d29ccdd4d07a59a7864449b0f9586b7aba083badb41a9b55
9. 0x0fddfcdfd430e36e8b4dbd979922b590da6c82886546cad2d3d52f8af233ff4b
10. 0x217bffdc1b2b9a40194e061a6a935556f795b55b362c7e79829ecbcd0264f99c
11. 0xc20324467af5f7c407a45eac803323c2acec87c5d322d34c92ce6d7aa24237ea
12. 0x124231db94abbc4fbffb83daa2559194c2240d38168ef5e53829ee7d4de1a0c0
13. 0xb4821657aa6efb2f6aca8033b00ea772962b9e1f521e60b09d38bae1bb9be2d9
14. 0x494b466b3bfa0226a2c352cb1002412ec2f3d6fe45fdf4fa746e5dd945de3a9b
15. 0x99e1d917a09f567cab45503a7bb813f7329bab71a3ee4058b136e2e24fd38eef
16. 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345