Evidence row 2712253

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fIkcMt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/04eb795c-6d4a-4194-bb50-999d2823b6c1/.well-known/agent-card.json"
    ]
  ],
  "name": "Gukano",
  "owner_address": "0x7278cd290ebce7c3861933348af28394c6fb2e09",
  "raw": {
    "agent_id": "204310",
    "agent_uri": "https://centralcity.ai/a/fIkcMt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gukano 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/fIkcMt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gukano",
      "registrations": [
        {
          "agentId": 204310,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/04eb795c-6d4a-4194-bb50-999d2823b6c1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fIkcMt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793739166,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:53:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gukano 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/fIkcMt"
}

What the leaf hashes

{"body":"b7448ed384345701ea9ad750b92ef04ef80022b8ff0a8aa351cd4051dcc5c217","id":2712253,"kind":"listing","method":"sync.erc8004/1","observed_us":1793739222917897,"prev":null,"subject":"erc8004:5042:204310","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xcdbb088793e1297257e818e41f39b6d9c6995d17e1767169a080eb9f80199d3d
2. 0xc08164f30f6ce51c9ba58084063ef022ff57666aecebe18b74ebf5a5dfbdd206
3. 0xaed5d8e202aa0dccef1025ba675d887e29d71048593a73932b0c1f51c513ea92
4. 0xe973311be281a8f0ce87f5df2c75a0dd08d97ad22b4552a00db6b1cc82069fb3
5. 0xfd01a1a4e2d8c12a57412c9606193c900455f75cff2531eb222ae697fa03fc11
6. 0x8f97d6b9bf2ede063724ec4f150d6ff90a5718d278901091c6ffc3d2cc539f91
7. 0x6694cbb0926e53e7eee1ecb882b8f223944b04be8c1659ba88b19f32560a8742
8. 0x71ff89ac7638124c9de1c66b9da6e22e7832eddecc17a7d54bf2ca9ba786f4fb
9. 0xb3d0e93bd0681de8b03a0dbb28f6616afc249e449a606e40adc8a6e42199c423
10. 0xc304a582acdb31c435fc12b3638ada601804cc130915175df76ae454ce662db5
11. 0xbd6f46f900f59f73dd50befced9f530796b869d1d0a631b865c0ee260b6f8b01
12. 0x622a46193da28a1c9a8d8ef5e9cbdca4283fa554d97ec6b4613dfaf366dd8635
13. 0x3cc986cde06d5c6049d73d3e8c2f67d8c287673474d2ceaad7738ed7a5bb185f
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7