Evidence row 1822698

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ScNfL1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cde38850-9658-46a1-be59-b936245b7275/.well-known/agent-card.json"
    ]
  ],
  "name": "Vassa18",
  "owner_address": "0x3d97771162e4932c9058fc2e7451bdbfc9779db8",
  "raw": {
    "agent_id": "24255",
    "agent_uri": "https://centralcity.ai/a/ScNfL1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vassa18 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/ScNfL1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vassa18",
      "registrations": [
        {
          "agentId": 24255,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cde38850-9658-46a1-be59-b936245b7275/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ScNfL1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564780,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:29:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vassa18 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/ScNfL1"
}

What the leaf hashes

{"body":"171b0c71787f3a6a2fbe16556de66e843d4692204fceddf54d5efd77856bf588","id":1822698,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564992373700,"prev":null,"subject":"erc8004:5042:24255","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. 0xd494efb5ff3ed1e0c6f0d4c454a04278f6cb9a5de37f9b535f50de5f50d67eeb
2. 0x4abeb1ed191ec919c4b0aff442563fbebb43c749e3cc5737d71db70411651f07
3. 0xd1dbc5e54aeaa79e68b245aa5d34f1ea681c566d869cc05b0e9c97a76b2b47d3
4. 0x8f03312c21c5e51d87f37bfc92e4e26175a6fc42b7fe2c131a69b6e50ea55609
5. 0xc007a85267c16e256eab4b4dcbfad2f8dd6970c2fd387085201a763a741c2b12
6. 0x15a0358dfbd54aca19352daf6416e3ca2b69b2024a3d0a1ea5118a0d1764e42c
7. 0x154c6af79ef8df331c565fef03cf834adc83e034c36130d2068938809652983f
8. 0x2095bbf06c1f98228caa1826487e2632f32023fbd2466a50a88a3b9089154318
9. 0x23e67806389ffeda68e9e0efe97034966d4855dbfa1f596ee581348c85163919
10. 0x0fc042566436daee77f4cd85552e07b186a0b7c59542ee23b24966a8de78434f
11. 0x81715d487b5fe544aae88a9f5274946af161abe42498dfa7876675f5033f0f5b
12. 0x65360a9279458a580bcc7af84cb70bc3cc118973d29e37040c5149269369c309
13. 0x827e8832d4e454afc21199e490166d8c3be13193f254217a3857562757303f01
14. 0x57b5e8b79f831258fde2efa4c7b70cd486ce34b32e7d612a6965c086ed7a75e8
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90