Evidence row 1828399

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/96VLGj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/64e7585e-ebe7-4361-b3c9-00639bd70c25/.well-known/agent-card.json"
    ]
  ],
  "name": "Mazias",
  "owner_address": "0xb11048f1a982cce7c25ad6b2b1f11ecd5b5f6bc4",
  "raw": {
    "agent_id": "27878",
    "agent_uri": "https://centralcity.ai/a/96VLGj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mazias 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/96VLGj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mazias",
      "registrations": [
        {
          "agentId": 27878,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/64e7585e-ebe7-4361-b3c9-00639bd70c25/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/96VLGj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567633,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:15:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mazias 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/96VLGj"
}

What the leaf hashes

{"body":"261a72d4e421d0361fca4768e9e5b02079a176d1671e57ac40259b304452b85a","id":1828399,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567739034465,"prev":null,"subject":"erc8004:5042:27878","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. 0x1666e7ebd66b13463c6c1ed39786c06d1ba38b500baa01fd88f7a357052eca40
2. 0xfd201181d23cf61673aa506acae8e8b542a85da776328120e57941f5385b31ec
3. 0x659afed26bd575d05abcaa8c1f1159df3d272346cf13dad1fc3a20f3f114f614
4. 0xd90e9991a312baf23e1895f2b2048832d3cffc58b8090c87e8d24dfe810944dd
5. 0x42b4c9df26d2e2afa55563486296960636efc2a1ca790c31372f01ae84a94e78
6. 0xed7268bf741e152bf61a974bcde72cc1fb653e75d0f5cfa698a03ab4728bf45e
7. 0x8f00ca8f800d90141c3ed1e07f90b4da2c82a7aa825ff813676cc4452439cf7f
8. 0xf27dc12935da775d1e8cc563aa77c34b3ceb1488aa8a86c6482d6c69983edfac
9. 0xd0d08d90cc8987cfdea2e72ac3c782f3a365109509e864f0e5ebc143bfd50533
10. 0xc25452c6afc4ade66db6e362866babd8c39f24cbe1c2c3704d549e495a1b2f9d
11. 0x018b7b72ff6ab8c4c9bfb82f3613275d49bef50f924d312943209d9a949a9e1d
12. 0x66891ed1e5e8c32c74d3587c22015ee559aeb6a8e98b7d712d5c323d012e46a0
13. 0x10405c22dbe2ed0ca6e6cc381b8fb16e2b184181ad6bf0dbf94a86aec4f16b97
14. 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90