Evidence row 1786567

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/w7Faxp"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5ef7e2a1-d273-47a2-a785-349f975eafbf/.well-known/agent-card.json"
    ]
  ],
  "name": "Halinano",
  "owner_address": "0x31bce8c2c73170e064ccb478925163e11036b0c4",
  "raw": {
    "agent_id": "18258",
    "agent_uri": "https://centralcity.ai/a/w7Faxp",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Halinano 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/w7Faxp",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Halinano",
      "registrations": [
        {
          "agentId": 18258,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5ef7e2a1-d273-47a2-a785-349f975eafbf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/w7Faxp",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793559422,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:59:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Halinano 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/w7Faxp"
}

What the leaf hashes

{"body":"6c7f772a687b29e639285bd2b4a06abd15aec30484c969eacf83484eef8a138d","id":1786567,"kind":"listing","method":"sync.erc8004/1","observed_us":1793559586152879,"prev":null,"subject":"erc8004:5042:18258","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. 0xe270768854f5253fbe6c2cbc0cc006626a66feee396b9dc145f2b39273142ad1
2. 0xdfc32c33986e918a1d5988ea71d8e1a79d5772a7458e437be7490bb619619a11
3. 0x5fc8382cda2c181a12d7d2d7e02a528a3ee33d077de7147a1ea39d97a8bd8668
4. 0x3191600a0cb773e5e3f88b87195ca1bfaf778ef8630e4fe3b77c581d1b1632e4
5. 0x4d66f3874197089f8b2ac5c42b47df5c85b44e6efb3a4818669ed477b6419b16
6. 0x296c452469bb788c1752dbdac2d656490f44d8a88f74989f27c75d9f103e80da
7. 0xaa1bce2c0a46f79f294852bbf52cb716bc8b9190cb55e6ef1020218a5d50d5c1
8. 0xf87f0a500e1823adace97fd35c7a13d5131dcabdfecba338b247cd63d04896e6
9. 0x9b6b3152c9a138dedb2fbb26e07b5637887b5c387277362c283bdb921012e4c3
10. 0xd87ba2b61ca26945cfe6a800588212ae18b5e902f3733716f9f34e5163c18474
11. 0x2de20f493130a51294a758075e0aea66668048139b2aa835e47cbd33453ff2b0
12. 0xe7fd38eb5836ea92b3c740bc2f5fb1653bb77910129fc628b2af73e09c327a44
13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90