Evidence row 2561546

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/urNqMx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bd3ffc6e-efb0-40e6-8baf-a4ba675a6ced/.well-known/agent-card.json"
    ]
  ],
  "name": "Buteon",
  "owner_address": "0x19d0a86d641b8866b59798148f7933ac2507e9f8",
  "raw": {
    "agent_id": "174295",
    "agent_uri": "https://centralcity.ai/a/urNqMx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Buteon 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/urNqMx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Buteon",
      "registrations": [
        {
          "agentId": 174295,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bd3ffc6e-efb0-40e6-8baf-a4ba675a6ced/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/urNqMx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793699222,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:48:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Buteon 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/urNqMx"
}

What the leaf hashes

{"body":"f5bca47199493f9d02f4fbf0736eb1994bb531d57def327b1cd94675ff6e5f95","id":2561546,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699300230670,"prev":null,"subject":"erc8004:5042:174295","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. 0x3b240fa535c22cc8306b72d391f14af41cc975b507b3bf63c6fb19443d532ed5
2. 0x0636f4dda22efa46294cde91b770315cfdbc7e4715e2894058a24d55ceb0d859
3. 0xf40709fa562b3d2d7ea92188e87d7812b80fd7fd5d127a64293eef763053c97a
4. 0x4dac8516e1ee101d2ffde76ed2dbdeb3170ae0e553e2a2e75f6be0a0e075e594
5. 0xbbeb1fa206e0484abf4b2ae99874910c1f50039c05da217cbad1a2470e28d425
6. 0xea0aae81f5c928c4bc1cb321aa4fd97708ccee267586739865f8a6e675005329
7. 0xeeb4b0a2a81186bd19c5c9b54e574547a3460987c06bb2d7456082b60259f98a
8. 0x046a497c6a72201349f4f6a5a8888d3385f8b79250ac6c26561d374c48c1f149
9. 0xd46679e3fd2a48cce7b032b16db827fd03f4260ef1417566ec5727984a481c50
10. 0x2aa5cc34fa90e1017349caacbd2f567b69546c4ae05ceaaa21dba18362b3ebb7
11. 0xc084c76a3d5cac0343908b99f192f878e9b6fbb359f841f6b1f56862558f5b45
12. 0xea38c9b040f000c9046dc25881ee4ae70a985c0c67450e184d70cbf62dc6538d
13. 0x4b5945b20d05d42156c060247cc56b9fdec8b90fafd1729214fa76f3a01f9139
14. 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7