Evidence row 1772743

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XhLjbX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/afeafbff-137a-4685-849f-387981f4f605/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosino",
  "owner_address": "0x260753b50324be30114750d32ea7bf3f9776b30a",
  "raw": {
    "agent_id": "8617",
    "agent_uri": "https://centralcity.ai/a/XhLjbX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosino 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/XhLjbX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosino",
      "registrations": [
        {
          "agentId": 8617,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/afeafbff-137a-4685-849f-387981f4f605/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XhLjbX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793548747,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:04:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosino 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/XhLjbX"
}

What the leaf hashes

{"body":"5d2cc817319c65c8b9056935ea0b890351cc030a9ac24d4b2d920d10ee43148c","id":1772743,"kind":"listing","method":"sync.erc8004/1","observed_us":1793549049120477,"prev":null,"subject":"erc8004:5042:8617","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x520999de895718ae48c647f0b466567c62f451affb6bf1a27bcc4e9a0fdec413
2. 0xe9248cc9ec02c8967a095ab1554a86de4a727f9be9e789ef00ed503764b99bb4
3. 0x026de1ba23cc2af8750d59a8a3016461947fbf27209cf9a4511a5676f56b106a
4. 0x86c7febd4dedb0b41fb7e61ee9a18cb1046eaab2ff2ae9b03a47388f521661ed
5. 0xd13e83e48f944de3d40661fdf27a57d85e39d6a3239187f2b3a5236240258145
6. 0x7f97e8bd89704bad9744ca774d61c9dd2c5bfb8083142b1914e15887bc8989a7
7. 0xb33a54cf28c95f5196d65c71c40381600d6233dc96a33a759b47c3cf003abbc6
8. 0xa5de64a0e9e65ad6cbba700f2768f9474c11bc0513278de449918d6715337f7b
9. 0x061d44855d39e772913e5cdff4bca5907cc29e4d26e71d28e1ab5fa0718d9062
10. 0x2c95ab8c5160f7aebf1434549872cf2ec442640e6555ac69aaacca1a8ae08c54
11. 0x3b8604ffee6395056c8a889bdbfcf317c393c28e6cb4231d14bb127ee030dba6
12. 0xd54947428effd59a8bc19fab04a804fb7f80dfbfbb84a5fc4c4a9abd0bcf4b9a
13. 0x61ea1522e2a8dd1dbb4a7f6b4b6b4e9d2d75dad9c43bbf8d014ad3d2e55a77e7
14. 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90