Evidence row 1771619

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9qKMJf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fb9fb56f-2955-41be-a204-d67196aa5cfe/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostert",
  "owner_address": "0xa8b23097a5f45829f7d5bca57b455ba48b8a5904",
  "raw": {
    "agent_id": "7621",
    "agent_uri": "https://centralcity.ai/a/9qKMJf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostert 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/9qKMJf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fb9fb56f-2955-41be-a204-d67196aa5cfe/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9qKMJf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:37:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostert 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/9qKMJf"
}

What the leaf hashes

{"body":"b230475beb9a5bcff6f612fe22a68a763f9492c8cc8f0cd8e47b8430302eac17","id":1771619,"kind":"listing","method":"sync.erc8004/1","observed_us":1793547422782468,"prev":null,"subject":"erc8004:5042:7621","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. 0x08ba63f7f0d4bb47cddfb796eae63738cec03238344e4395156fd7f875e8ca66
2. 0xe3207a7b99e5033402ce478a2160b3eb2cb593cc695015bb9f0e2d928842c239
3. 0x0c92df068ace0ac7c2bfe8bcdd138f097cc72a66d441a39905ffdebbca7e9626
4. 0xdf3407d877bc9ccedbb2357def98d03f4466f0fd160333154e8ff53733cdd298
5. 0x33b117041724c2badf46883987a3e4704b89ee40867da72e9ba722e26c24297b
6. 0x211d190e63539ae54e236820a18c8deaa46347079c0392baa1a72b2adee64aa8
7. 0x17f3f2aa853c3505eb9189d7cda93a885910bae5024642d714392e5bc01de40a
8. 0x677899006a5354cf195593a36aa79655011941899b78d783ba6b5f125116cc2e
9. 0x2b35ce9b6b622112fe488878bf1c7466e64c1f69b6fc1b24ee7e6ffbfa964788
10. 0x91f668f6eb88f7871aa246a08ff0ccd244cba8174083a4b7df6c2bf3b4848829
11. 0x3678c2d1686ba5a4579b2e33d70b84fd9706579b4ec4f1ad3e1b99fcc59a548a
12. 0xdec6cc03db6119cc2c965eeca2635d88501115f408138d713fca6a96e378db8e
13. 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90