Evidence row 2526503

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0YW3r4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/84135089-936a-47d2-9d23-469b1751b34e/.well-known/agent-card.json"
    ]
  ],
  "name": "Billan",
  "owner_address": "0x3bbcd220f936a6f762189332ffbad14195489641",
  "raw": {
    "agent_id": "158064",
    "agent_uri": "https://centralcity.ai/a/0YW3r4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Billan 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/0YW3r4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Billan",
      "registrations": [
        {
          "agentId": 158064,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/84135089-936a-47d2-9d23-469b1751b34e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0YW3r4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793681293,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:53:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Billan 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/0YW3r4"
}

What the leaf hashes

{"body":"a597bfe4935b476194aa37febd005d4cb31404684fd86df92b008e280cad4ba6","id":2526503,"kind":"listing","method":"sync.erc8004/1","observed_us":1793681590705428,"prev":2524052,"subject":"erc8004:5042:158064","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x03d6783e06caa2dafcf54c6592fd3fe44d612d5198e1c6fab78918fc6174a271
2. 0xf9f542750a9733c5de07a11caa37a027365644ebea80e012189bfbbc425032df
3. 0x28e7cbcc8ff8313064dd1fb02e18f7318dda2aba6c37abf1fb4baccc275c139b
4. 0x1b6b7ffe8cf141616e279781f8cf6d5748a3564a4c978b56c9ebf8f410ddce26
5. 0xb380f5b7af392aa97a44094235be13a743c6f72cb7d42f48a69b63641ef67105
6. 0xd16486b43ac464a937c640ffff633773d50610f9bcb8695c8a619c4fc8f0aee5
7. 0x040418a98e24541106996864e7b39ba20e346e039cfa5672e90c23a7d133651f
8. 0xf94105733b1a882b4252095d98d207f9618f272bb1ae7ead7633fc33e045d3fa
9. 0x87d6a76ba0b6364446fea7570fd39532c9465e43a4dc587c90bbb296dc3f8952
10. 0xd6e17803183698d7e8c8b802c37701fea19504c227fd825a75f8e3676e8d3b1b
11. 0xccca044078dc7c4f4adbae9e9e7782eeb2221d79f50d39857fd9b98575b8c6d8
12. 0xaa16274fb697ff284124b3e00ee202a476442f891c7e4c41eb280f2400242f67
13. 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7