Evidence row 1827771

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CpvD4g"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a1521ead-5039-4d3d-89be-3adf9837e89e/.well-known/agent-card.json"
    ]
  ],
  "name": "Baumpeh",
  "owner_address": "0x1a08d9dfa903072c09a21b9039c77c7bee376e93",
  "raw": {
    "agent_id": "27506",
    "agent_uri": "https://centralcity.ai/a/CpvD4g",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Baumpeh 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/CpvD4g",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Baumpeh",
      "registrations": [
        {
          "agentId": 27506,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a1521ead-5039-4d3d-89be-3adf9837e89e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CpvD4g",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567331,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:10:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Baumpeh 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/CpvD4g"
}

What the leaf hashes

{"body":"ab89ddb05f829af24b860ba985a9587e1f0041769cc694f208c8ad6550c7ed86","id":1827771,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567402059097,"prev":null,"subject":"erc8004:5042:27506","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. 0x39f18c32ec6dd15f7772dc850c83caed502df81fd38df6387f77de8944961439
2. 0x990f53c9c3fb83e1e678cdfd89b7a077b4dbc3708399b0607d6ba94d097b0f32
3. 0x4caedc40244e76ba722887434c6f022dcedc0224a498adb9dc624dc218c14e48
4. 0x8556108919a3925325ebf5a473a0ddeb4ca789f8b5e4b43e84320af88da5e1cf
5. 0x0e98cc5d6a18e277ab05625be7b5af4b6e0761a0e1b773e1ca0da2e5e3b1f39d
6. 0x9f2bba9aefb94b6632bf6faff6ea87cc518be09bf7a9491e385395574bd84a6c
7. 0x60b0983db838ccef1c9281e4ba13a67a522ac4fdefb94e251bed6dcbc2a11ed8
8. 0x43600fafa74bef279ec3588da583bd3cdfc42c098cab650be9e0bb3830f1ada1
9. 0x5fdccc4b4cc5f949649c02e5d5c1b763dd56b0f86218cf65cb6c8d5a3044c5c5
10. 0x3503c9c089a5ce2cbb185869fa8a9a2d39dc0bd5964fec414f4e41737c189383
11. 0xbd36e1099a60dc616dfc893f8f656f626939bc9854bf16e844381320b8913e24
12. 0xc3c53aa8935f4c780e0604318a7b3faf20d27082014f36246fb418804dab2e05
13. 0x28720157dfb204e575f9c0d1f725e8e1a816aa8cdff9b2a7135d27bf6c638bdd
14. 0x07ea6ece7de601a64e2a172b49fb304109f2a8322814bef4c3168d05334b3609
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90