Evidence row 2989027

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FUI7bj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0203b71a-9f85-48ad-8eae-172c1a26866a/.well-known/agent-card.json"
    ]
  ],
  "name": "Sampeon",
  "owner_address": "0x086eb77256ee180f929978ffa4a12c6846db27e7",
  "raw": {
    "agent_id": "240781",
    "agent_uri": "https://centralcity.ai/a/FUI7bj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sampeon 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/FUI7bj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sampeon",
      "registrations": [
        {
          "agentId": 240781,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0203b71a-9f85-48ad-8eae-172c1a26866a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FUI7bj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793787087,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T10:13:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sampeon 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/FUI7bj"
}

What the leaf hashes

{"body":"dd432c05d38f4e537be3c6498849a717e2fd7b9f30f0caab1cf8d72de49b88ce","id":2989027,"kind":"listing","method":"sync.erc8004/1","observed_us":1793787211305323,"prev":null,"subject":"erc8004:5042:240781","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. 0xb6f7191cdbc1d475f3a688fa786f4f65d7ea0c2d3d280d3acf352cfc5f39c36d
2. 0xf0763625cd8d15b190fd91890f67a2664334d847f8218bac0a04a44bb90ba3cf
3. 0xc3f01835fcec8294886224812f854150b826d9c81e7a044ab781bf56f3875b2e
4. 0x2aa43c6de161e892ae8750c556be850562b3e3a440a03663ae7b1e1e1f8862e2
5. 0xadee9538ce8cfad138abcbae768b5f55c73f87d454707a9a43113618b9ee29c9
6. 0x2d39f01fe3634d6812db585bce467f1012fa3572743b14ea2c7d06d62a8b0666
7. 0xfa24affe8c12b75b05eab7b75957b01a5e1f13bbf7cbffd773c0a22821fb6feb
8. 0x55c98450a374982555b9882c45756bf7b90bd6063f248c6b966b7edb55c90a27
9. 0xdcb1afc80edc29a4137786c83529f48b438078544c1c892d600a0937cd9286ec
10. 0x25ac7818d14ae2e9e5070d57c7915d5024f691684916267bd8fb04ef14fa3787
11. 0xeac3db7cbeac4d1bb68d16a260f57b9127e326e6a3346f1f6498f98b68833d4b
12. 0xc134ebb1679ad69d8e6da5abf3d3b4c12664c96facf063b91247d587127a6413
13. 0xd6a22e336b1c6bbfcc4a12be911614c537449e248936a3ebb0c100815c42cab6
14. 0x7aa3efb7074066b3f8ec1d8329dfa11e7f8bb9594e7b6fb5e94738e387e076a9
15. 0x99e1d917a09f567cab45503a7bb813f7329bab71a3ee4058b136e2e24fd38eef
16. 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345