Evidence row 2548944

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/k8FqS2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3df14fd8-1eb8-4260-9963-a6c387e0bd2c/.well-known/agent-card.json"
    ]
  ],
  "name": "Hostan",
  "owner_address": "0x3dbd505fe8756411ecc554d69752f4354fad0a94",
  "raw": {
    "agent_id": "167530",
    "agent_uri": "https://centralcity.ai/a/k8FqS2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hostan 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/k8FqS2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hostan",
      "registrations": [
        {
          "agentId": 167530,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3df14fd8-1eb8-4260-9963-a6c387e0bd2c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/k8FqS2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793691471,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:38:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hostan 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/k8FqS2"
}

What the leaf hashes

{"body":"2f8073ff07ff39a837ffcb141b750a2c332d459d0bab3287fefdfe9a3a3a7ef2","id":2548944,"kind":"listing","method":"sync.erc8004/1","observed_us":1793691499816865,"prev":null,"subject":"erc8004:5042:167530","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. 0xdbeaca5b10576927e2c1c701c6aee6fdef8a794c9d4a99397edc982ce84f0d0b
2. 0x0a227eda13f20e315236ce41e26e71c1fc425832d9d4b10e3fed547ea0fcda13
3. 0x5728241bd7d9db5a81307f4f7dadfe4060b83a99f592678c37361b950f5260d6
4. 0x7b44c0a19ccc4d3b26e18a187cad327eff014d56f27e65ce47eeaba477715437
5. 0x09eb0c119348c1d729743834abc8b87ce859950a0701f23af679928439d65a8f
6. 0x0c40e0244c27e165f83218758cea39d11f1acbf38ebcb8eaf9b7ac75a5d48430
7. 0x14d26e54df14b14594562c7f8c3c3f9e2d0b451983c10ed64ebf2111d642b059
8. 0x92241ff870d115249e7ae18fb3282eb60d014a801b00336ea4171843b501b401
9. 0x340f453a2b6808f71d081b82cc6ea98322b93134fec6dd3bf4446bb23f305543
10. 0xdf2b485364dc7b00c00b07b751e5807ec1a3a1446b5e427414234400a015d5e1
11. 0x779fcb144b950be8adde4fa3731150f1127d7083618e768f9692204c1ffcc2ce
12. 0x69fef493303258aeebc16c0eb97f48a6c48c1bb23cfd01f1f80eede3dba2a152
13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7