Evidence row 2087090

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fEVZJZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2bbcb4c2-d1b4-40e1-a97f-1e2f29e74d8a/.well-known/agent-card.json"
    ]
  ],
  "name": "Trikobino",
  "owner_address": "0x84cf498a5402fa970357025c18b5deaa29f16e34",
  "raw": {
    "agent_id": "74905",
    "agent_uri": "https://centralcity.ai/a/fEVZJZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Trikobino 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/fEVZJZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Trikobino",
      "registrations": [
        {
          "agentId": 74905,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2bbcb4c2-d1b4-40e1-a97f-1e2f29e74d8a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fEVZJZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793605670,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T07:51:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Trikobino 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/fEVZJZ"
}

What the leaf hashes

{"body":"a664ab64b7e852775b354cba475492a3c3f11f0f8870ac5ed0bec5e91c0e64df","id":2087090,"kind":"listing","method":"sync.erc8004/1","observed_us":1793605868518947,"prev":2086744,"subject":"erc8004:5042:74905","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. 0xffb8dfef28a7dadde68059d0d6afe9b66996f209417c521e5792cb1a75479ae7
2. 0x2a40943db6d3be48a21d14366540a34f19989ca70598e46959c7048b70f06fce
3. 0x1843fb49b50cf84200fae103c1972adf3532bce3289b22ea3cc141bdb8dc3614
4. 0xc0cd3d6f810c57b369f347b007778e97f4c497520d10993ffdbd12181d90ba4f
5. 0xf72ad20b9f1e9a221f38f7b5bd6f20fb4a91238bff3fa407226db325b7d9a1cc
6. 0x75ad3ab4cdf989b6573386e9abb3a303434d43d52d168eca976e9d425f75f2cc
7. 0xe0d8eea40b182027c807c8a9f9aae6b62ad7f43b7b0f1b90bfc1d57a85c34ab1
8. 0x1779bbf27b94b111b96d437d43941cb33e6e2dfb6dfd10622d287bed82a836fc
9. 0xcd3a95f3afb23009e17ff5305f2d2537572b86f136fe6440032c6a55db289584
10. 0x3e426b116ee551043c7fa8011592fb48208455066b4051086dab03b7214b3987
11. 0xf12f94b228ed72115bd658551ffcd676f11fbfe7bf397799563416a57be91255
12. 0x45415c76d2ab204a9729a2a944991420a243f07964146403ea6d43181ac1ca44
13. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
14. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
15. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af