Evidence row 2578753

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/b4GJnk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2c1d9d3c-b20a-404e-bec2-4f7a6a1398b3/.well-known/agent-card.json"
    ]
  ],
  "name": "Hostet",
  "owner_address": "0x2e8e58272feda26d3114913171217750ede3ef11",
  "raw": {
    "agent_id": "181992",
    "agent_uri": "https://centralcity.ai/a/b4GJnk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hostet 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/b4GJnk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hostet",
      "registrations": [
        {
          "agentId": 181992,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2c1d9d3c-b20a-404e-bec2-4f7a6a1398b3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/b4GJnk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708468,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:25:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hostet 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/b4GJnk"
}

What the leaf hashes

{"body":"861a4565116d9c93a9fc38d6f981e2942f687847398593392375aba3587647e8","id":2578753,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708749297141,"prev":null,"subject":"erc8004:5042:181992","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. 0xbacd617dce6ca420a56d1e0bcdb310c5c7bd5f26bf05b84fae93b8149edf9d56
2. 0xa0458f51d97ab43a7cc2acd3f11e8c47c231535d574a432ed5ce77aefc053d67
3. 0xb21b563b2a36c17288a8671085899897f346f7498dfd6137ec0fd80d7226f4b2
4. 0x2060a0812eb23521beedf58b6546f8982c8fa3627027df3b9d30e92ce03bd3e2
5. 0xbad1865856530b1db23c666372652fe322e0c6a7f85c4b43811c87a30e509244
6. 0x63fd8e41e4c1fdb016836d57083a9b774bdd4242f71f6aac726826efd92ec9c0
7. 0x437fa0307247b2c18b22a282336a4656e1c73c0b30ef9d041538237e1b45a9a2
8. 0x65e736f7bd5b595268fb40eca1096a924cecf074648c467ff854687150559592
9. 0xe3840c0b4c4095dd004b556a1c8523703c9a9b75b66d173b6685ca80024bbcf3
10. 0x2f9e393c2dad23387866909b716b776c726515d7951c36608d59ac4e6c4fbf78
11. 0x6997ef1cf565a835b31b6a6b0b59e87242284d923d331a7ca39ca55f198d86f6
12. 0x1ee03e255e653187e3260a6f2597e3f9364a922016c1f59cdb7f2394184c1ee6
13. 0xb62606c5a338a430cdb6c22a12b2a8d463bbaedc36ce1f677fb239ca0fbdf371
14. 0x28eca58d5790c044814655f49977e8cb478606900cf691de68ba9ce360992057
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7