Evidence row 2288234

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qzvoH9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e21c8377-8d21-461f-adef-b54a76d8383a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hostus",
  "owner_address": "0x64f7ffa84407eb03d202e6a0424e450ff532ddd9",
  "raw": {
    "agent_id": "136624",
    "agent_uri": "https://centralcity.ai/a/qzvoH9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hostus 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/qzvoH9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hostus",
      "registrations": [
        {
          "agentId": 136624,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e21c8377-8d21-461f-adef-b54a76d8383a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qzvoH9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793656850,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:03:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hostus 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/qzvoH9"
}

What the leaf hashes

{"body":"4ee7ca302346b8c1c07d6fb40eb199d4045e1cab01d8283d74fdebc280324ff9","id":2288234,"kind":"listing","method":"sync.erc8004/1","observed_us":1793656992608029,"prev":null,"subject":"erc8004:5042:136624","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3c106eb1fe6a1a9bf1023094aeb0604881f8c38b841ba21587fd116a5b7cb29f
2. 0x831d9520a2087766bc1328efbf5cde1706b2e234539e42c6dbaf84e18f9f5493
3. 0x24af833c68af2a2a24977e02b7f7a6a5f99f91f49d2046c64d4afbecca8f4a34
4. 0x1e97fd285a25826b629fad4d4c13aad93b0c772031e1c01f13460600fc2449b3
5. 0x7d24358b23979756bc081022c5426d8ded25830482026b908dc56d96c89812be
6. 0x32ff98778bae242e9065e54fe3cfaee5e964e74dde770f9b952b932da58432c4
7. 0x44c14dc8994d2e7da9b05b35e309e26508a7521eec3bed435aaf511e4fa955cc
8. 0xeb78f80c8cab971772875aa5c33ec1391010e99bf776c75f8fe4e7283fe81d70
9. 0x992fc89d460e390dab946be6557d362a5a918e68e7cc788ef304da1bd15f41dc
10. 0xf583b696aedbf8ceec64a6ef1bacd2c2cf7254c0a24ecea7f2e1136fe23ab8e5
11. 0x28b681f66b8813ea88f84e682682d3e566e64f215d6dcc5b3b36b78a97050a02
12. 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af