Evidence row 1850970

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/jHKd4G"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f6920f62-60c7-4fca-8260-8a11e41e33b6/.well-known/agent-card.json"
    ]
  ],
  "name": "Hampo",
  "owner_address": "0x609407cf30fb2681f97a8d34001e44bb8daebceb",
  "raw": {
    "agent_id": "41172",
    "agent_uri": "https://centralcity.ai/a/jHKd4G",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hampo 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/jHKd4G",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hampo",
      "registrations": [
        {
          "agentId": 41172,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f6920f62-60c7-4fca-8260-8a11e41e33b6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/jHKd4G",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793578180,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:12:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hampo 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/jHKd4G"
}

What the leaf hashes

{"body":"aca8a27912c2979ba99e7284bdd85e96680305c7d9b222077360a5bdc9f6acaf","id":1850970,"kind":"listing","method":"sync.erc8004/1","observed_us":1793578347685728,"prev":null,"subject":"erc8004:5042:41172","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. 0x5c4d7b746e68876eb5152adb25be68d516eff14becc12f91027358823a12fcea
2. 0xa07721a96f9ed00b4d5fead0adf9971f03f038b52c06d55a4d23eac93be3900c
3. 0xfb1bad9404d1e36f9589025f3d38d97e898fa150b0ce142b14a2e4ebdd45e067
4. 0x3cc86b1dbe6f686de67817b30d35dde84d1534eac472e2c6bebec17dc3793e85
5. 0x566840e673676068bfabbf422a94c1cb15082bc07a33612faa843444cfcb5242
6. 0x2ef7eb084e48433ee6ed70e749af4d5860081bcd277b9ccce5573a41de148c87
7. 0xfec959770d0aa7f5a81b90c80fbb347788da878c50210d7e3bbba51618e3b9ef
8. 0x36a211268732715dc1d1f01067ea691e182ebad2a439700cb1af9e11ecbedbbf
9. 0x8f3e7e85479550f660a327e2f93d12cea239f740299c3405b04a71c7654cf18c
10. 0x47143e0f462e0d54ead0fbf4a6b0e55a84052e5dc22369d3b94830eb1bae6bd2
11. 0x951a5646b0af23f9bea7df6ded315a72cfe483fcd004d9ced6b626020d3656d6
12. 0x48ec03912f5eaea9db033a997ca613f6c59300334a7de08f41747e807e1c1b29
13. 0x0f0789866ea2f1bd292c9e7a2eaf20360ccfd54bcd03afc0a8ce21b6555e86f5
14. 0x463370b8390b2f93f44023fe6ce3fd4ebff0a7fecb7894dd4f82f8253ec8661f
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af