Evidence row 1777834

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6L6Hpo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ba2f369c-3873-4e92-a6a7-5b5d6309d3e4/.well-known/agent-card.json"
    ]
  ],
  "name": "Gosteon",
  "owner_address": "0x6e7186f788d65917a6befc3d8fe0da2a7be99f3a",
  "raw": {
    "agent_id": "12895",
    "agent_uri": "https://centralcity.ai/a/6L6Hpo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gosteon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/6L6Hpo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gosteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ba2f369c-3873-4e92-a6a7-5b5d6309d3e4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6L6Hpo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:11:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gosteon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/6L6Hpo"
}

What the leaf hashes

{"body":"757e6592450cd349577cad91d62ed95189f1d04ee025a2ec56adafd3e1fbec5f","id":1777834,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553062297587,"prev":null,"subject":"erc8004:5042:12895","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. 0xe948712a060cc78a75b093e0ee96171f82a580af8a65df2bee8e4fc6230e8701
2. 0x55b7a817dfb3cc3f01821b87c79aa1a4a15d4bbe3ee29b21472d2ae78058366b
3. 0x18d146efff2c878e48d45106517dcaee769fc1b6102c9dbade64b5c323a4cfea
4. 0x8a83fa02010ca390821aa8d793be453e41cc838d989b21c0b721192c460dfddd
5. 0x37154050a907d5f9b8bc4455e376c29ff219ebcacb84212eceef7c2feef20319
6. 0xd34db87776ab65633c46b31cbf001bdfde5afe78df8bf58621fe633dc95864aa
7. 0x02e54c3a2d8373bb89fee0f2a022bb5d9d52499ac12974245d1f0d5860ed2b38
8. 0xbd6f9ad8b8a87efffc50c70fe51677d85e6141253fe27f60f71602469e7ac5d5
9. 0x3e961609154125d894a1386c27ebf7df8adef674131711c716441129261513c9
10. 0x90595bc25ed3d91a4481a890960e4a61cecebd0bb223fde0cc8f4fc97e149d46
11. 0xad110d4a930c2f5751b57d02f2e1feb666c73638dc8e10a8c668a08b40636a2b
12. 0xa1b3635993cbefb58f74c74567d4bf8407e2138aa7bd738bcbfea2169ff3e13b
13. 0x0634a45000fa6f73103fbba8bbeae4bebdb256b75effa591aeb1cdeebe8a0e87
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90