Evidence row 2089901

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vtzqD0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/efc8ecfc-9da4-4e48-bdb1-b3d70d0a69c5/.well-known/agent-card.json"
    ]
  ],
  "name": "Briostel",
  "owner_address": "0xb160a93a32eae2fc4d8df379815301803e234549",
  "raw": {
    "agent_id": "76256",
    "agent_uri": "https://centralcity.ai/a/vtzqD0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briostel 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/vtzqD0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briostel",
      "registrations": [
        {
          "agentId": 76256,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/efc8ecfc-9da4-4e48-bdb1-b3d70d0a69c5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vtzqD0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793606833,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:08:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briostel 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/vtzqD0"
}

What the leaf hashes

{"body":"7eaa86019bf81e665ff1a231d3cfb54c34a35aa492159456ffeb1c06f8c0e863","id":2089901,"kind":"listing","method":"sync.erc8004/1","observed_us":1793606897051621,"prev":null,"subject":"erc8004:5042:76256","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. 0xfba13aafa2daa747f1bac9d77622fad1cda23eff2744aacca4492009cba66f70
2. 0x86144b5ea25586e379db1bb033328b342a5e514b4af34cb2fcb80568f5c1b175
3. 0xa93e71d1e895bd6b801fba87adf3ff4cea2f0b2be3a6cc1f551be071bb818ff7
4. 0x4e02fc4032d5f9e19d120c2f12cdb2814e518116c568e9a9cc26a752713ee887
5. 0xfa666f7cec05fdcd138c29901cce2f5e01db5c5d7d8ea89a4507d28b2c46887f
6. 0x91e889ce372d3ed37d5821e8194dd8c364e782a4b58a16a6d6ef36c9ce5deee6
7. 0xbc9c792dc439aa68b4004206bfe105570d68df8df6b1f07e037d0a0767596023
8. 0x170c4796c7378824dd3995a8a474e2fa93e80ed411818ce20df2cbf4b0a024ee
9. 0xc13873102485d48fd1db1dcdad4e3b3e158d59118cb649762486e3db14ebd973
10. 0x7469bbf4f5c444a457b3dfc71889b85f69294cadf51d9e1ce97bdad8b718ee2e
11. 0xc8a808be77d739d8920b0edb245e6e5d3d968e03503ac728b0dd1e11a1281248
12. 0xe600ed826c3a6308e95c2df107dc2afb9b3221f40683acc5d31f43293074b45f
13. 0x53d9a703c9e9f252a5170e08d05e1b0117ac9e5b187b8d11c1fc275324818140
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af