Evidence row 2552211

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Y2CKZU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/843a473b-d3c3-456b-8353-1cbaa558ccbf/.well-known/agent-card.json"
    ]
  ],
  "name": "Elarkeon",
  "owner_address": "0x578add6bee0aac79779ed384c670f865c84f0089",
  "raw": {
    "agent_id": "169067",
    "agent_uri": "https://centralcity.ai/a/Y2CKZU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Elarkeon 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/Y2CKZU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Elarkeon",
      "registrations": [
        {
          "agentId": 169067,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/843a473b-d3c3-456b-8353-1cbaa558ccbf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Y2CKZU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793693252,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:12:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Elarkeon 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/Y2CKZU"
}

What the leaf hashes

{"body":"b507fd03cbb22792bafa6aa6da60b29f2bef302e74e53ad1d3520892857024ce","id":2552211,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693548306021,"prev":2551755,"subject":"erc8004:5042:169067","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. 0x295f051038e4a5f16e095bc3faf04335cf6f68389c47a475131ca79fc476421d
2. 0x37f27080ecb743c39a1845fcd50e904e445478f667bf0695804e1fd4efc5baff
3. 0xc6e412be3573d908852ce8edafaf02f34552e0135114f1bf265a72923311520d
4. 0x6bd601711fc7fb412bcedf5239113a82b70a462ea81a1444a44e12dbe07b550a
5. 0xa661f76b81d83fada281d21f44c898a6997f7ae3cc081d81c76a6016cd35c351
6. 0x9eee1ebf4f543055c4e04951063cc640efeaf72ffcbab2d2079219ed7f6e7cc6
7. 0x59194c36effb23128177913c4ea533df51f78e5353a00ebdea869c3ee99f751c
8. 0x69ea8ecebc32904b82784c4051eef7b4e1494a0fdc5bca4aaace9c507b0ccd79
9. 0x718b543b7c221eb200a1d02f03450cd507d67f8684811e52bc0ad3bb6989afdd
10. 0x52ff1ae38ebd867f036b5cc57cb75710fc07c6aca50f0ae1aeb7b3996c4ebf7a
11. 0x0d3de33b173be61e1b8067fd54551c8dc9360f2dcbe8381cd90dd0ba561c825d
12. 0x52a66c82a20c7127ce078a360e023921cbca29ea89a64f63a10fb6c39ab11a0d
13. 0xb3e9e2c239d3f86889736f5f9dd6b63f9f0ffb6cb921a6e5d19759d9d3670816
14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7