Evidence row 2161917

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MQh4Jq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ba30cbad-43df-4a18-bfc3-82d239f99abd/.well-known/agent-card.json"
    ]
  ],
  "name": "Stufanson",
  "owner_address": "0x8b9d6be8343195c0c8a86d6293d43a33cdd78909",
  "raw": {
    "agent_id": "106751",
    "agent_uri": "https://centralcity.ai/a/MQh4Jq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stufanson is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/MQh4Jq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stufanson",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ba30cbad-43df-4a18-bfc3-82d239f99abd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MQh4Jq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:08:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stufanson is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/MQh4Jq"
}

What the leaf hashes

{"body":"5279bfdcb23f3b47bb2ee23d771906a1a755a3a1260f6136424dbbeba059a952","id":2161917,"kind":"listing","method":"sync.erc8004/1","observed_us":1793632139360012,"prev":null,"subject":"erc8004:5042:106751","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. 0xfda695f08bae6970aa0741331a8cf6bcf048263a9e48b322c391bc07d49e6180
2. 0xcf1cf368865ea5a47e875abf5ba7231729d0f433de7868398991ab44672f1e1c
3. 0xe0d2a0f749dad4a3e59561783f204fc712e09caacd5ecdc37b032f7ec870aa1d
4. 0xcc096d058b00bf4946b0a797c212def313fcb7d1aae9928b7b4ee488910164a2
5. 0x3cd7a2fb8b09be17ee0e2db0b3c33ef48c94f1e8e05eaa9a7c5b6aeddd95cc1b
6. 0x8dc4cec9a69b8ad31e52a8eedf4a35d50b4b622af5a5fcbe37009dd0a9c92559
7. 0x349d9baa4c51ed7d3364720a69a20ef792cd3b2e6fd440253649cedab7b5fa7e
8. 0xd76e726960d8dd051e0eda22116b352866d1b246d94026e15855f46c1d34c4ec
9. 0x3f919652ac8454be313d2795b98366f7e03431b76e806d5f65ca89727a9dccb2
10. 0x3b183355bb726cdc52d8456d2a49f5539cfb7c1f2d4755e060401e4c9ef737ea
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