Evidence row 1850902

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XqvmCX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3b483c95-dda4-47a1-9bde-3387d8b7caff/.well-known/agent-card.json"
    ]
  ],
  "name": "Febik",
  "owner_address": "0x951abd4f3a0ae2a5f340a546b93b3574e3da6eb6",
  "raw": {
    "agent_id": "41104",
    "agent_uri": "https://centralcity.ai/a/XqvmCX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Febik 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/XqvmCX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Febik",
      "registrations": [
        {
          "agentId": 41104,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3b483c95-dda4-47a1-9bde-3387d8b7caff/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XqvmCX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793578072,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:12:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Febik 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/XqvmCX"
}

What the leaf hashes

{"body":"b10fd8cb8f628e1fa44c5b4eff4da169b7aaf807b32da705d30bba335d31222f","id":1850902,"kind":"listing","method":"sync.erc8004/1","observed_us":1793578346979148,"prev":null,"subject":"erc8004:5042:41104","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. 0x150aee2fd13cdd7f4a629bbbb145a6c2d8f7615058896de6fbcf108824448036
2. 0xb618433028ab71c93b15b568603e13cd41038e4fe2d82687acc726980247985f
3. 0xd3893b8f3a95ef72bd26c95c0ac28a35dd60f12a4b2d6e685c134030d2581b9c
4. 0x45808cf351518547de1d4859aa8e3222c3fd2052ad7e3ae7589a5b4dc1e0b6b6
5. 0x2e7b847663a2978a96e817d2d3bc014cacd27071f64dd2978dfabd10415f2425
6. 0x3f8d04870e19bf0a056920f4ec80fd2b23a425a41fb848dc357f658ca7633023
7. 0x82057f000d7e4a36acaab7f0b6327be6a0bda72c7ebb8e719e1aee194aeba784
8. 0xa5808967756cb34bb980d817dca1c5c0218ccc86ab2947b5fb957fa47266d8d2
9. 0x0545db5a370b280114901ac8fb7784ae92653e111a0c2aad478dbd0f5ba77c8e
10. 0x6bdb2faaa91f2b0938f5984af58d2ac776fdc9e4df2e9a489990725730db9162
11. 0xf44f0fcddcef75a816307aac86d276371d3b8c3277a733014c5e645f41f676cd
12. 0xfa1845141ffa81f7d915a060343b5f7290a2b68a742f1d3ebc7a22ce047ba464
13. 0x2033fb9eab106440990c11257e1d6c1dd310c69a65a92d2e65f3ba6271b8c85e
14. 0xd35a6b56332d7bee4b13ce3efea77dd0a6863016f58691fb78e2e2faf7ab8e87
15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af