Evidence row 2192778

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4FK5i0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ef70a528-ebf7-4608-8dfa-c90c63bb8140/.well-known/agent-card.json"
    ]
  ],
  "name": "Kumarkeon",
  "owner_address": "0x2d22d772bbb8e1b94c724f8faa9f95c6264b6c43",
  "raw": {
    "agent_id": "122171",
    "agent_uri": "https://centralcity.ai/a/4FK5i0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kumarkeon 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/4FK5i0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kumarkeon",
      "registrations": [
        {
          "agentId": 122171,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ef70a528-ebf7-4608-8dfa-c90c63bb8140/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4FK5i0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644528,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:36:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kumarkeon 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/4FK5i0"
}

What the leaf hashes

{"body":"4771e257538d37f3196bafe284b4beffc70e2feb7cd19188d2676ae881d175f9","id":2192778,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644614968297,"prev":null,"subject":"erc8004:5042:122171","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. 0xbea7e9da05aff278cf77e60dc708b838cd6fe461a40954ef8b39469b9e023320
2. 0xa77a865b5fdc93ad02f81ccc59ccd6b43df7a2536dad5ca085003e1ae1616430
3. 0x119cdde77f742de46230e5e05499fceff2d49b9522a906f6b39bb52386eaf4a0
4. 0x26eeb1efd296577aefdb6157380cdb127c4b9195fb50f3e6505e2593869ac5fe
5. 0x52bb7bb1c6de13241f6129bb0157979ccadc16569e7d1b8f483263b6bf0348f4
6. 0x4471fd16a2c286076fb82eb3293a9184b31ec5f02c9ae440c1f62591e8100310
7. 0x59fa795a7fdf694f8a222ae7f828f0d80490476e0802e96bafa2534e713a9052
8. 0x584b66c25b8190ae037fa33b16c9af765ccd8e56232f0382b1f5407bb1f71485
9. 0xda80a88d858331f005dd793a6ee9749f44bfddb1de2344c4ac84cc0d7018838a
10. 0xe60462669207e5aa2c8961e220e39200c16c8562aea3a6acac78cd33e810c1db
11. 0xbd38f0f1074e16b95ac4d2d8f01ff08665bdc071f6bbb275a99308f4d7289841
12. 0x7ab1afbc5dff2f15cd9d70287be5427947cfc03841ccd326471dc4eef08bb4c6
13. 0x047210a388d428d19c536816e7de36503493563ebf77985dcdc7335f49f50a17
14. 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af