Evidence row 2544028

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FPSmBP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/17942426-b5d4-4ae7-affe-e7f701d73247/.well-known/agent-card.json"
    ]
  ],
  "name": "Billon",
  "owner_address": "0x77d8e9b502f97b2a89bc89128813892b65a46b93",
  "raw": {
    "agent_id": "165130",
    "agent_uri": "https://centralcity.ai/a/FPSmBP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Billon 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/FPSmBP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Billon",
      "registrations": [
        {
          "agentId": 165130,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/17942426-b5d4-4ae7-affe-e7f701d73247/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FPSmBP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793688965,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:57:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Billon 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/FPSmBP"
}

What the leaf hashes

{"body":"3165471045ad904df185eeb629cc7cce74cf5f5f92cb5b784057c5c51923f1ff","id":2544028,"kind":"listing","method":"sync.erc8004/1","observed_us":1793689043659855,"prev":null,"subject":"erc8004:5042:165130","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. 0xceb5be2eb2f400f570e54b00c8e2d504fdebcb60adf212c5646d3b19338f4621
2. 0xea3a0d2863020bc22d5a857b4cdd7a7912343b4f8601e487ad0132a7d761049d
3. 0xa750c7e77ffb4d352ee2965ce43ae691f345183f5afeb728e98493fdd6d9f2b1
4. 0x5006bd652fa0688f413926518018d991c6de2e91457883efc70de62f7a4baa1a
5. 0x1600cccc30bbefb85c57eaa03b407838e797e3aab351f9e056d9f5a8ff5e0fbf
6. 0x957e78896770c854be0fa55326503c995ed6363c9d3c372e8b10602e2fdab58b
7. 0x65c5ff0898c9d0fffce74dde9bcc35e85c7b7f69827cf7683e9a07933e3d301c
8. 0xed2afff41f25ff71f76a5517e1a43af866a0794ca8adba5545a73f767d74942d
9. 0xa5a028f7b3a82ed2cff9e1b45a4a4c8f9640e7af90aaca49ac22cf191eca85c4
10. 0x7e3e1e649ecadc6cd237f41d49fbb81e2bff70a3310c5d571ff961f5ee4e8181
11. 0x85246f034a7ea025d34e6044810fbe59a5a7ff40b51bc756b4e4f50de27edcf5
12. 0x38b1d48a31ea06c1ae782cd96c2f2488902754df3334f68d6cea73d000a08520
13. 0x3cc986cde06d5c6049d73d3e8c2f67d8c287673474d2ceaad7738ed7a5bb185f
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7