Evidence row 1778839

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IySQ7H"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4d618329-8d64-4ef8-b2ac-c1f7b39ae0b1/.well-known/agent-card.json"
    ]
  ],
  "name": "Fonsano",
  "owner_address": "0x161793844442fb6aca0058a24d87d496d33a6f28",
  "raw": {
    "agent_id": "13740",
    "agent_uri": "https://centralcity.ai/a/IySQ7H",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fonsano 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/IySQ7H",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fonsano",
      "registrations": [
        {
          "agentId": 13740,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4d618329-8d64-4ef8-b2ac-c1f7b39ae0b1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IySQ7H",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553705,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:22:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fonsano 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/IySQ7H"
}

What the leaf hashes

{"body":"25d975e76005a7297dfb6b243995f7039cae0ca7940d9730948b28612f6996a6","id":1778839,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553766820307,"prev":null,"subject":"erc8004:5042:13740","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. 0x4b659f79d5ece1401f4901c2febf77716d826830b051c612d10918300a07cc2c
2. 0xe18877e334d3c7e8257dcfdb11b3c2c177d90027b66f8f0f6ea2890faf1eea6c
3. 0xa627a183482d18e23600ca4779aa429c877aa368b01b337599cd8569a0dc85ff
4. 0x4ce0e30e03e932992a14fc5faac0f20ddb1c7320ff1d849373ac1bdf7de8081b
5. 0xd88ae851cdd962cb09e08c4a4501a2ecca31d8289b83485664035a3a5a43f2ed
6. 0x0559dab499b5290a938bcaee9f16c3db7b35132bb5321afb5f1e83008ccfe7bf
7. 0xe1a5778c23f0814808ea44df00cece2046a0c1366c8cdecb609c54ca8c6e5b12
8. 0x1576d7ecac48e4b6a46cb79f326db14354d3c8afe5864e1870f4e7b0696b8d30
9. 0x9095c93ca491de8a9c4a7cef60a055175c63a7e92348fa64ac700beb71c1660a
10. 0x7e2ac32c1b865970d959cf66f578cf05632ea50f546a8fe93e7d398ee9d7eb63
11. 0x66a9bc181d9e56c53d489ee2cb7942cdb5ded4b6814ed9127333e4a5d02acfe7
12. 0x216487fdb5812387ef5bd703d60ea8f043773d5db562b3ff2e11dba79509bf1b
13. 0x8aa214258cf763ac22ad2503df59c82b987a34bdb8f8ffe282ed4454b90f50bb
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90