Evidence row 2288159

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qBvXr2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fda1d8b9-5439-45e4-8d6f-123294d0df07/.well-known/agent-card.json"
    ]
  ],
  "name": "Matjo",
  "owner_address": "0x704279d95f5cd4e28561e836f9d8de66efcb4068",
  "raw": {
    "agent_id": "136549",
    "agent_uri": "https://centralcity.ai/a/qBvXr2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Matjo 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/qBvXr2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Matjo",
      "registrations": [
        {
          "agentId": 136549,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fda1d8b9-5439-45e4-8d6f-123294d0df07/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qBvXr2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793656766,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:03:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Matjo 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/qBvXr2"
}

What the leaf hashes

{"body":"49b1a089eb391978eb16478425af128182a78b490f3c9590e76eac19ed4125c6","id":2288159,"kind":"listing","method":"sync.erc8004/1","observed_us":1793656992440453,"prev":null,"subject":"erc8004:5042:136549","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. 0x494ef61f3fb140864295567ccc05f4bdd9012777542173f4bf5945944e2c4dcd
2. 0xca6cf92044f1e237323eac662ced98f9b3fa49a9085682637aa9534a8ca55849
3. 0xab635d956551fdf4e89b01b8c872c89f429866d770612b0bc4815fee63ee9988
4. 0x0a706f2aa45230dc00d123690b3640eae61fe6aa99efbaec2bb8da8b599b4b6f
5. 0x9b36bd24f2d39fc87382e8094c42ed7c238a262bf8e3afaaa3ed9f6dd30450ab
6. 0x5fab5874abb680ae5a431aba644a510a883b5f8e0eba0578ecb679fabe2445e4
7. 0x17e41fc6a8792573bb60f049da068deb35b7d5fced7d9f5ecb5831bd838ee80c
8. 0x10271f916c8ee26f711a761d684648a0f3736659eeede019a54ae81d0315d087
9. 0x4e0811dfa2b6fe3bd0c97a6a780bfba9b64745eca51349ec18c72240f07240e6
10. 0x1c28395ce49f3093a1c0daacc759d2979138e95ae47d92bc6e298cc47330916e
11. 0x590cea4be4e766340ab178d7a3027ba045e5078998123a4b874106ebe83de6e0
12. 0xb49c87ba1f1d6bd8b04974a4b725b1a6c4ec061e7b19895e6ac177e2e5bcb780
13. 0xec50fb8bdb629a8eec60882415de93b837c0015821049eeb6965a6cdd0d6c186
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af