Evidence row 2039549

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/pCyESe"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3faae8a0-2ca0-44b9-86d1-655a3c79e46d/.well-known/agent-card.json"
    ]
  ],
  "name": "Birkino",
  "owner_address": "0xcd53ea6b9fae0ad316f208adabbbdd2ed150cb96",
  "raw": {
    "agent_id": "52621",
    "agent_uri": "https://centralcity.ai/a/pCyESe",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Birkino 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/pCyESe",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Birkino",
      "registrations": [
        {
          "agentId": 52621,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3faae8a0-2ca0-44b9-86d1-655a3c79e46d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/pCyESe",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793587275,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:43:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Birkino 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/pCyESe"
}

What the leaf hashes

{"body":"04807c0de6a316b1809c7ae3cecaa9a5c6bca2e4d9716d2370415b0a4749e333","id":2039549,"kind":"listing","method":"sync.erc8004/1","observed_us":1793587391174633,"prev":null,"subject":"erc8004:5042:52621","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. 0x0d91d2f45ff6963314efa689aa4bab32709b2865d7b6ea38e6f54634a8f57719
2. 0xccb268c9b6bc055c659c371d7096acedb62d6600ffab43d3d30ee837e84eb752
3. 0x9bff2ca0e1d4764452cf1368343f2fcbdaa04423119c86d6010de81e5a7ddfb7
4. 0x43948a02b741b90486faaefc9390f583919f3c9d557e1b09eeb07dfae67b74b2
5. 0x3f11c8919cd7c5b02490e6217d3a65b422c357a23a5d0c7d705b2b5693a2c71e
6. 0x571a6280af34a00a15397dab0c3bce347c2380fb639588bfbacc3c94635df4a0
7. 0xa2c148f8edbaa41997ff2559ca01ec853e4166a12e40c23aa602f61c1ad9d8fd
8. 0x069bec439f80acae56483f311cfbfca8da88f3e7cfb0af7c5203b5012e97090b
9. 0x6f96928bb859342411b200f0df5ce9c5d666a1905ca9018c32e8e02ebc18cb94
10. 0x5012643b3c2a818a9e6f48da9f72796741a1f5b3afa9cf3aea19b8830716a65e
11. 0x09e3051a8caa284b8f18098c94d8f7cd2b16291eed55d5b87c044fe951d43b36
12. 0x5ab1a0e263d75fe8c3b85060a6cca1c534560cbb1cc844fb2b62f0bce0628b74
13. 0x21862012011e9c7bd96b9da5758a45e44049f740c8ef1f280b01bc054552ce7e
14. 0xdd12fe6a2b0c972fe8b92369b1535a7d883c9e1085b61ddaf4130d8880afad75
15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af