Evidence row 2722018

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FkLtQj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0812f1df-73f5-497c-9b44-55aad098f684/.well-known/agent-card.json"
    ]
  ],
  "name": "Klampel",
  "owner_address": "0x7e84f603ef984ef37088b9b2d61a5d171c6d23e2",
  "raw": {
    "agent_id": "208684",
    "agent_uri": "https://centralcity.ai/a/FkLtQj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klampel 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/FkLtQj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klampel",
      "registrations": [
        {
          "agentId": 208684,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0812f1df-73f5-497c-9b44-55aad098f684/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FkLtQj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793745051,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:34:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klampel 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/FkLtQj"
}

What the leaf hashes

{"body":"c21f3e8f2e97d655a70c30a4ac1d9585e3bef38310406c091baed8ba3f7960d5","id":2722018,"kind":"listing","method":"sync.erc8004/1","observed_us":1793745273919220,"prev":2721710,"subject":"erc8004:5042:208684","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xa3142e3bf9b0967aa456e3d5c25c5625cc54bc7891e2555775cf6f3431cac21e
2. 0x99e7d49ec04175d6dcfacdf80c0662bc9809b8baa7a160842588b98c33a6231d
3. 0x0f1560851b70f90839aad3c3ce578be7c362784f8745f49648bc49a6a7a69907
4. 0x92e8c413b5bce23848dff6752aa0aec21598e82f79aa8336755bb6cef0c94e66
5. 0x7e8dac5f6fb3cf2415da3c37caa19c2d45d8685af0b0dfc5136317289e1e0904
6. 0xe70ffb43b7a66e7ff5f8403580b9541b42ef8aef1cd42bb587c159861f59303b
7. 0xb9b18b21edaf3547c725afb29e6a08dd76186ce4343191707b8200f569ffe86f
8. 0xd46e40b8ed134499d47637646688a2c507d5bf58ce3955d8a1df9726dc3cda91
9. 0xc0a0fe91ed9968cd1f94af1aec4d6c90cfcde302c04dfae5a7c98dd6b0b021d9
10. 0x2f2679bb0f94c904c1935750c763b3d312c407c5389921af9ff7ebb1a3809ca4
11. 0xf6c05e5c439b20ebb44dd3df9f20eda2ede7fadb5fe58e95cff608188f581fdb
12. 0xdfffb07f2f4d89112330db9f14a6b111c30c84b8474156342dfd90ee881782f6
13. 0x4a1cdf8df291c42c3836d20616c28a2918fc49d8bf96290524d03f4f1ec0312e
14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7