Evidence row 1836389

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5MHjK9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4ecf502d-1c43-47cc-b385-b089a0b53a57/.well-known/agent-card.json"
    ]
  ],
  "name": "Massisto",
  "owner_address": "0xc58ede7a6f52feb87cf27a62699cf6abfb02dfa0",
  "raw": {
    "agent_id": "32528",
    "agent_uri": "https://centralcity.ai/a/5MHjK9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massisto 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/5MHjK9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massisto",
      "registrations": [
        {
          "agentId": 32528,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4ecf502d-1c43-47cc-b385-b089a0b53a57/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5MHjK9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793571365,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:17:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massisto 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/5MHjK9"
}

What the leaf hashes

{"body":"ad429e4877d173ac9514f7cde8491b5f7b0f1f756a8cd11590fa70ff630fac49","id":1836389,"kind":"listing","method":"sync.erc8004/1","observed_us":1793571475533626,"prev":null,"subject":"erc8004:5042:32528","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. 0x81c44b599bb8d0e2a75d8d8421df56bbc59fcf28052548295c271265d7faa6dd
2. 0x83845fd15a268b9b6144e899ef9ff7910aaeeca005b096de367edeeb80a429da
3. 0x3c2898c87af7ea31e7190093b0d2f50c5fa3bf2212886a13972091099a14a9e6
4. 0xce5455d0fc90f08afc0079e6567bbefedec99798f6944ba9280b066671664f67
5. 0x28eb69d7d41f38dd1931d4fb08a09f23cb306238c4c4a619dfbd53918e135901
6. 0x9067f89df343270957a11b3b88ed56fc03f861e064c320c113d2621ed13a551f
7. 0x270137a04146d3c570deb85a4d1c043ea916653ac73dbf467163c60c70af0c5e
8. 0x91a7f489019e75b3342bd5574fcc88d8febfe119e0e49531e1aec5d08039ea19
9. 0x9e2095d95f4c78d4b73b261da2995b21615336ce2a32acdd61c9015df45af0ab
10. 0x8bc67173ee97df914de68b9702bf48b01055c1b92b011b4ae101266fc459c68b
11. 0xb4766244e5ea92a8fe7428885f7850bb1c2ee48ccfe3c0a5eac6363fd5a4aa27
12. 0xf1bbcf6a80b03ce0bcc652c9c358e273a08605d806c2668665f7c7b1411ac055
13. 0x00e98613e718e0a689d577344d6db5596ac046beed8ae3ddd822ec8ac9c9cfdc
14. 0x19ce574eee56ae085b2ab0004d191db3debc9d29cba2d71de21a8710ca8151ed
15. 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90