Evidence row 2577884

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/m0NmVq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8685ada7-5a47-48eb-a1a1-458b98b081c2/.well-known/agent-card.json"
    ]
  ],
  "name": "Kosser",
  "owner_address": "0x973f2938bcc0c3d5f42238f13b7cead91b8e4b4d",
  "raw": {
    "agent_id": "181709",
    "agent_uri": "https://centralcity.ai/a/m0NmVq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kosser 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/m0NmVq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kosser",
      "registrations": [
        {
          "agentId": 181709,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8685ada7-5a47-48eb-a1a1-458b98b081c2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/m0NmVq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708271,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:20:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kosser 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/m0NmVq"
}

What the leaf hashes

{"body":"69df9a52ecd4ffa84d81789771f1d6b8a6297cd594e4c51c406833b42b7e9fdf","id":2577884,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708414277109,"prev":2577199,"subject":"erc8004:5042:181709","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. 0x9991f3b4d707f8c784c9c5b7fa52525e6f21235abcefc62cca9c8f10552b24b3
2. 0xe4a4234865799a25f6d14217fe44c849d0d26842365468580947a454d97f2e9d
3. 0x181acdd6f7bd552ac87be48e5753531d138a84082fad156a4362db678174480f
4. 0x47198355bf16ee015750c9bb16d2eea9871de4bea820d32947baa67aaa42706a
5. 0x43bbe85651eb5c84177ac6aa5182578b001c1e5d9e6e8ce2b718820ea69f3cb3
6. 0x1c92ad9f6273698448cde6d54df6d80d3a92e2bd77e0edb9a38ffbc5406735fb
7. 0x16417a76f3bc720612dc463ad4389348a609911de741e30b59c34bf10fd301d1
8. 0x61f98cb7654b709253ca9400c17e15072014ece0f55141ef801025945a2b2d9f
9. 0x79b3c584173e8ee4e8c775707ded7c43660dab53975b5ea3f190a199f217c608
10. 0x7dc8b047bef90d12a5b2c83f8c61528f0e6ad135692b306ac2d44e847250046d
11. 0x757397e6a07acc3355e9da40f57a9ba6feda5e5823229042f0965367944e9835
12. 0xe96c3e9661ba818444523b64b69e1c93799e202d182e14e10495bf7bc6acf0d6
13. 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7