Evidence row 2257138

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dtZAdV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/66964cbb-d4e5-47fb-a0ed-9fb25b3205bb/.well-known/agent-card.json"
    ]
  ],
  "name": "Baustino",
  "owner_address": "0x54ebb284767296a09ccbb1c6a7d14ebf6a114b32",
  "raw": {
    "agent_id": "126831",
    "agent_uri": "https://centralcity.ai/a/dtZAdV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Baustino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/dtZAdV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Baustino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/66964cbb-d4e5-47fb-a0ed-9fb25b3205bb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dtZAdV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:31:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Baustino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/dtZAdV"
}

What the leaf hashes

{"body":"4f8fff4a262f92c6ad5b01cc65b4a72c00b33256648d11c4f771dc89c3f5a00f","id":2257138,"kind":"listing","method":"sync.erc8004/1","observed_us":1793647919439930,"prev":null,"subject":"erc8004:5042:126831","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. 0xb92c8acf7214a1ac809af81e4506baeecd8c867a01b66b22b22ec8c2269dec4b
2. 0x6aeada17ef46d4bad6a5f117314a1116d15f78a48b0c332bf010784bbcb13a89
3. 0x6598891eed76bbdc9870b0d1e78bb7f3598ee6b36ada6f85eff7a2b4834304c1
4. 0xa5f51053d18316eb9b1e10eb27c698d194ee00d57ef7760623271a19bd43d9d1
5. 0xa79a6c6743612335430f9f4a5726cff9f61b2d6b3c4a82e6b1f2becdeaebf119
6. 0xe1cd3eda785b56724935ade3b6bcf3e4d4d086df5298d34f6c06934f582a931e
7. 0x9ff73bdd59f87ee7187f52a92c39bf8a7797cc0544c218d72cbb97745d6371e0
8. 0xc74496eb872856715b3ed18c396163e040aa4c3b3adae3ce79a3671f13fc8b37
9. 0x36f5cb8ca0c5110d7e6613fce0c2bcdeae75371bf5b4e7c7d6f4163287f5091c
10. 0x3d89728bcfc6f58d2bc824480402ea2b85f7c3551a11ec2eef63a1a1fb2ac94f
11. 0xa0dac4420294ca178381670ade9e2e4b44665ab089f2300923a88401edae2378
12. 0x963d651d919bdd696be66242b0ee6514bbe3c46940834688ade9fad9027b0b2b
13. 0x080572f8942a728701d6e4c74c76b04c122aa149d1dbdef56feb8ce007a745b1
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af