Evidence row 2143569

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/l2mDzx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a797bf8e-ae73-40ab-86ce-df6d86d968de/.well-known/agent-card.json"
    ]
  ],
  "name": "Biozero",
  "owner_address": "0x83ff606802ffa5a5debb183760fd01d4b67bdd10",
  "raw": {
    "agent_id": "97890",
    "agent_uri": "https://centralcity.ai/a/l2mDzx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biozero 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/l2mDzx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biozero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a797bf8e-ae73-40ab-86ce-df6d86d968de/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/l2mDzx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:21:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biozero 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/l2mDzx"
}

What the leaf hashes

{"body":"a1be3541c535d2e96bca75cad41ac4fd23b3b8edbc5e0eb2680d55c659d3aca4","id":2143569,"kind":"listing","method":"sync.erc8004/1","observed_us":1793625673582027,"prev":null,"subject":"erc8004:5042:97890","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. 0x8a1f5b0de330eec2ddefc67bd7cd396deac05eec8c2e0c9fb84f0f884781e68d
2. 0x1490133aa79e21feef350a5ecbda0832ca43f61c0851b3e10e74eec1e5f702f0
3. 0x5af97fed28b87d340131484c03a03fcda7220c0d6b4f9243422ac8f65a66c734
4. 0xd0635152ff410362429b2a3cc7de38e33c219f767ba6086734dbb8c9045934f6
5. 0xbc5109d6d3b8c5870df7ea0e8c9a33ecf95c93831c7d9547df4d6a79d08f3289
6. 0x524b513ddd9e1a57d6126cd52df83389b9c2e18a9294100c9ed15a75cdd2ec8e
7. 0x3c8f30f0e8c4e41fe700f14eab72a4d322e53ca2ebf1f815c7c5977f3a09ec17
8. 0x27c63a71eafbfe245abc8f338a53255b99dc74bec1990b16e824122fafb7ab4f
9. 0x368fdb355b369320e61a95f7b21488d966d01e8fcf5311afdb1a41efc7510e82
10. 0xdac63055f03cf0b4369d04b5344549d25b9b6df3149f396e617f594c99cb663e
11. 0x39df1942172e01ac09158611984710fc8036003f6a1edd0835b0c5b5b5200efa
12. 0x5e19b65c9dca303d18d3307f340e866c83a5cd5294e32913f90d6115847dd766
13. 0x5d871bfcf034460b25418e4174693de4c0943330f7c1beda840614a4c45cc42c
14. 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af