Evidence row 2183954

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/JHSrjt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7028877a-5a96-42ec-901b-553f3d6ad972/.well-known/agent-card.json"
    ]
  ],
  "name": "Foson",
  "owner_address": "0xd994fbde304dfe118a38cdcb8d547512b4395cfd",
  "raw": {
    "agent_id": "117911",
    "agent_uri": "https://centralcity.ai/a/JHSrjt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Foson 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/JHSrjt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Foson",
      "registrations": [
        {
          "agentId": 117911,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7028877a-5a96-42ec-901b-553f3d6ad972/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/JHSrjt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793641406,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:48:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Foson 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/JHSrjt"
}

What the leaf hashes

{"body":"5fcc6fc1af268ed61d70c5af3171261e1edab2c7ddf72ca63c244d571dcc3816","id":2183954,"kind":"listing","method":"sync.erc8004/1","observed_us":1793641709010601,"prev":2183542,"subject":"erc8004:5042:117911","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xda1a4ed34ea8ec60b9f9aceaea95c5d01fe6ee3351133296ee54f20ae46c2a86
2. 0x573f431c37938044a71652886ff0469d37abb11aee6c05e7033a0336bad430d8
3. 0x55ad5bd6697790b806906bedd209a6e76f7f6348489c3da3da12106d6dd5b92d
4. 0x767a183535505c59b2a88664c9b0fa46f36a84c867f9678bda358083c6e2bc21
5. 0x5eecd980ab4814bd9c7e5a869f3d8ee9613d6dcdee773c0982a0710961b3e098
6. 0x4a0d55b7bb973219e0705f95666b78f3952978ac7cfcc2bcbcc5af5e71471a7e
7. 0x0abef7b94fc2db7f99540141f5241714ce581ee0a975c8d9cde8576ca08fd644
8. 0x81d630f834d0b0ed1d5072a02c605ac21f408160218235bb1e90a0762f117957
9. 0x974b176adcde056e4e5dda6acfbea852408fdced8b3774ddc04b1bfd4a3456e4
10. 0x840e23646b1a499d612012a05b61baaa10049072216cf49682a05742593342dc
11. 0xfe01d075aece76c51e7ce31afbe5dc6b6ec09317ec86567954b888ae558a37e1
12. 0xc8b8fbd944f03f1fef9180edc64fe8b61cdae8db900d73504261d8c04a5cdcba
13. 0xf501fcee968477faaca9a060259336a60c82a32ca56ab2da724f950f415e8b62
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af