Evidence row 2025665

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MeRTtu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7244ab34-995c-4dda-b08d-547153e55884/.well-known/agent-card.json"
    ]
  ],
  "name": "Birkobel",
  "owner_address": "0xbb52f52935d61fa71d1f11fe3ab3792c1a5ade72",
  "raw": {
    "agent_id": "45921",
    "agent_uri": "https://centralcity.ai/a/MeRTtu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Birkobel 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/MeRTtu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Birkobel",
      "registrations": [
        {
          "agentId": 45921,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7244ab34-995c-4dda-b08d-547153e55884/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MeRTtu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793582000,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:16:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Birkobel 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/MeRTtu"
}

What the leaf hashes

{"body":"4ba786e3e9f7d659931be701babb2e8336f6b6f8b397e72e4aabf2e79f9f3883","id":2025665,"kind":"listing","method":"sync.erc8004/1","observed_us":1793582172702696,"prev":null,"subject":"erc8004:5042:45921","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xed6cb1ac45cc4a9af021e0fe2f79b0fc90b04018cc2f1737df86fe69d92aa2f2
2. 0x07a016c2c08e8f9912175132ee9982e5f3e5c1549d6e35d630948ec6fbef2c6a
3. 0xc02c0d52ccb287059769740f235907d3f58d1a2063a2f7637d9ea291bb0cba2f
4. 0x83f1010374789bc2740e8ca7c2c8430dc113abd83bfa9b20a3672c1594a3fcb6
5. 0xc8b58e73759422ec4c39ef68f8637c6fefe1bce5783bd2987562b81d32b217e6
6. 0x5402f23f2f29c5e8868929cddf746c2018b93fe4243782c0453eba6c0dea7d58
7. 0xe11cc5285e78a813c508f0cf85e0d0cbcd47e45e299945bbf7a4e8f0de458bc2
8. 0x8ce734e485e046083ac45a214801ac3e901fa9a8c352c8f2c5fb7d86a0430f82
9. 0x1f336bffc5cdbaee8d4cb0468fa55353b38607770941f6738c37ff7ed0aedf89
10. 0xd585fa95a1eff9268c42df0933e15152e15bfd9331e78a0f732eda88057d8846
11. 0xc0038167bb048534c699daf9dc54ffd008a0d1f1d826e5514567ddc27bfab881
12. 0x81186f1d3fe58c5a37fc5a986c2e4440f453481f9e7d23a13c45f48adcec0bb2
13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af