Evidence row 1834119

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ksb91m"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1c3d29b5-4e3c-4396-897c-40dd6f3d0ae9/.well-known/agent-card.json"
    ]
  ],
  "name": "Piossisto",
  "owner_address": "0x5e4cf098c1e350672fe23a3c5d1db713e478f2ec",
  "raw": {
    "agent_id": "31128",
    "agent_uri": "https://centralcity.ai/a/ksb91m",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piossisto 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/ksb91m",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piossisto",
      "registrations": [
        {
          "agentId": 31128,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1c3d29b5-4e3c-4396-897c-40dd6f3d0ae9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ksb91m",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793570236,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:00:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piossisto 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/ksb91m"
}

What the leaf hashes

{"body":"4c9053cfb9e2017cae489d5154bcc355c356f521c9567241a06ba3b160daf415","id":1834119,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570447046010,"prev":null,"subject":"erc8004:5042:31128","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x06a899dcee5a7a8b97e810950faf6fba1f07b133142d4dbf1c06873123420f16
2. 0x89d2fa3bb5f316d053f7a65b35331407d50c997337bc26d95c0f1bad85b184b8
3. 0x30644d9fcf4c9e3414779c573e5301bba3de2814020bde0c8f2c95020fba1c7d
4. 0x9bc829b02379812a361cbb16a7e103a0cf52c0baa86d700f000c3ec5384c2e9c
5. 0x76a160846350a86cca9d91737157a8543bf421358925325c893cfa79ae79c866
6. 0x4c1c16f8386d0274ce736710234049872cc9939bb24272cf08db801ebc06f871
7. 0x8f5973928217f1ff2c9e1c6092f0d1104d5a801ec8ed65ba9c930a01b0d67a02
8. 0x8cc1380790508c57a3e51f50cc11d58deb069045935bdfe39072fe4e24b54d3d
9. 0x7de2070e1f301b074f99f1251d8f903e76b236a50f75f4dd794aa696c9e4d484
10. 0x80f30bff379b0bdadc043c440bb6db2fd949e3fbaa67833716cece50c203f4e9
11. 0x1933507d6f34c466ec8db31b4a5d85e8d5128afe3d758d526a14d23e914b5f3d
12. 0x0e504833698abc04312a4beba98e6602297f4ebcc6ef94d56c7c823f8f4d1120
13. 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90