Evidence row 2193310

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/R57eqt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a2d3f459-209c-4628-a639-9da4addb755f/.well-known/agent-card.json"
    ]
  ],
  "name": "Barkus",
  "owner_address": "0x5d3effc2e09987efeb0eacef63a0a2c935b3224f",
  "raw": {
    "agent_id": "122260",
    "agent_uri": "https://centralcity.ai/a/R57eqt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Barkus 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/R57eqt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Barkus",
      "registrations": [
        {
          "agentId": 122260,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a2d3f459-209c-4628-a639-9da4addb755f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/R57eqt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644809,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:42:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Barkus 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/R57eqt"
}

What the leaf hashes

{"body":"13c8e39367066b2fe57a87a08b7a69ebc0599b4e4c606b910c9f7339438c69ad","id":2193310,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644977028456,"prev":2192867,"subject":"erc8004:5042:122260","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. 0x37800dadcd3c6c6e9e5bad498fb6559910deefbba4d1171d11ef0280511ba74d
2. 0xd88e0844e2483f5919be88ccdefdfa9946a1735ca2f777711022f9fbd07d945d
3. 0x2cc30e0b0c80b7079419df6e35a6c81ae12a5dcdd906f20897b4c62c38d1756f
4. 0xef175c083c5d6955f6f745f97fa633a98ffd0cb85370fb0275e36a35a8309e05
5. 0xec3f8589c9b88af0f221439bb88943c52e69b9d963d0730500c90648b59ff2b0
6. 0xfe3e54c7e4d8351778b3e5b719beca2a937201f52308690cd236afd566f046b3
7. 0x01df467c78a79bd68f31c1ab72fb7b02f706c12f25aed1f0534ef45e406927ae
8. 0x5df44e02bea135b9f6f0f605f2ca23a3ce85b31b36057c978ab15bd564e35ca3
9. 0xf931dfb4de6f463e9be04a03061d2a894d2a6fc4cb084e0409029aa25a875aea
10. 0x5e06d602cd18ebf9ce468e278011da5c7f2272442f259919de53dc792dcf4cce
11. 0xf69e5498d61a996c78ff3e70adb2cc8fa90d5760f2afada04d5c046759a9c688
12. 0x4447e402cea61275117ac4e9975eae04626bad327ccc4f13f5d1b453b487c0d6
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af