Evidence row 2119818

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PCZj94"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aea430d7-38a6-4e20-a62c-d17df8f502ea/.well-known/agent-card.json"
    ]
  ],
  "name": "Alerko",
  "owner_address": "0x1a21d2f1edce0d8746f7de6801e7d2a8fb3bd4b2",
  "raw": {
    "agent_id": "88219",
    "agent_uri": "https://centralcity.ai/a/PCZj94",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Alerko 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/PCZj94",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Alerko",
      "registrations": [
        {
          "agentId": 88219,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aea430d7-38a6-4e20-a62c-d17df8f502ea/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PCZj94",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793618631,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:26:45Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Alerko 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/PCZj94"
}

What the leaf hashes

{"body":"81502eebd3dccb7feac9724e4c6194a0a0a9e55928b42ae6811680af6fc1a67e","id":2119818,"kind":"listing","method":"sync.erc8004/1","observed_us":1793618805295649,"prev":2119208,"subject":"erc8004:5042:88219","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. 0xd9c6cd0cc4f14545534ec446c4ef3bcb85eb8ef2ec3a60f23dc240752200853e
2. 0x69ceffeb0f80a9275e5baf9a0db339c572ef4c77d40925d9bcb724ea20a508e1
3. 0xc3b516dd3986a54e9c3414d6172d780062d51473a048c08cb013f68ba5a87196
4. 0x293c1cebbc36b8d2d8379b6cc2f0467f14e1f96a0722361b25c3f9f0a90ea7f2
5. 0x78f5b0cef21c929c1ada16be7ddcfcddfbc8142ed699c7cf371f86c247459f37
6. 0xfabb259b92acfd4fb796f8c46d640e828d26aa7ef4b422fc75a6820fa50c7d43
7. 0xff93d4fece991736b3335bc56e2f8b8554ae59f9044b2814b73f0819d3c2d6bd
8. 0x7711d3894983363e857e3dd7026fb92deffa7c346189636e33952d49b48c4587
9. 0xe14659c8fec02e831afac16e870aa54b2f686c870b1e9026bc9367603859317e
10. 0x38b9def63550d0a3926f7edc54e99d5aeb4a105dee44651e418d8d815f79ef3c
11. 0x0fcc11efce792eaf22ce652683b3f06fd2f070091bf599b085fc1e28ae0626f0
12. 0x435cc71c6d86200fe212d967213b085a0a83df982afce4acfdcbc7d5c99e493a
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