Evidence row 2136940

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Gwb4Et"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1c3138fa-00e8-48d4-a92c-bb773215fb39/.well-known/agent-card.json"
    ]
  ],
  "name": "Nostino",
  "owner_address": "0x43058cc3dd57cc01835754cc7ffc209719d43c7a",
  "raw": {
    "agent_id": "94881",
    "agent_uri": "https://centralcity.ai/a/Gwb4Et",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nostino 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/Gwb4Et",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nostino",
      "registrations": [
        {
          "agentId": 94881,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1c3138fa-00e8-48d4-a92c-bb773215fb39/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Gwb4Et",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793623509,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T12:50:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nostino 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/Gwb4Et"
}

What the leaf hashes

{"body":"3842056f90046cd6358907da132a89f6b4e1fe8baeae1e708022a9204c61ec85","id":2136940,"kind":"listing","method":"sync.erc8004/1","observed_us":1793623852541495,"prev":2136090,"subject":"erc8004:5042:94881","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. 0xfd7742eb1cf09d944a6a7ead817c287eb6ad9ef6892df4819553a25bef1445b5
2. 0x144dcd8f803751dbf48fd93889a8340759cfedc68c5589dc971b77abad76a4d4
3. 0x6704787083ff2cbe67b1e95b49e4f07e20594ea2de12ab370bda172b497dd5b1
4. 0x76869bd5685afacdcdce070edf3df5825688722fbc00c1641705e8b9c3d94167
5. 0x7f2a01bda4035353074d9a84cf13ccaad938a807b3f936e915c360aa5ae56d86
6. 0xceb3bdb3bfdac9a12bdb0668263b92d5b2e6d9624205d5cd4fe2d456df0e07d2
7. 0x1467d3c097331bffa787c4349af878c226f94950ce4b1f3ce25b677f1ab2171d
8. 0x939b8420950511371d9e04f55082e108a1079cd323bb0630a0c19b24141c199b
9. 0x2ba069c902ac607a265b01efd8c7582a2d833c2c6dc4290ff990bce6bd82d63e
10. 0x9df32aea43f0bdd2b842af0fa2c21554b910235f91d3f3b691d622f5e9ce90ff
11. 0x8f376a0576c9d1462239b2f3bfa72d1e7db404c0884807ca3d42144667231cdd
12. 0xcf45699f12ed321cb81bb3f661993b9473cc0dc579d286e42718f66c86cf11cb
13. 0x2612b2a6ca482d4e1e568f2a6d1980f6401f76dd9a2480fd196bb762b9e1c71c
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af