Evidence row 1824275

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PObUtx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aa0fdd07-dce3-480f-a502-d3fbd52a2952/.well-known/agent-card.json"
    ]
  ],
  "name": "Briampa",
  "owner_address": "0x7475bd7ef9be35b7de49e7a45e029e5e89be7835",
  "raw": {
    "agent_id": "25344",
    "agent_uri": "https://centralcity.ai/a/PObUtx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briampa 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/PObUtx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briampa",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aa0fdd07-dce3-480f-a502-d3fbd52a2952/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PObUtx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:41:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briampa 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/PObUtx"
}

What the leaf hashes

{"body":"3798ff222274d587c89fcaee896c74c9efa99fed1c425fd63b40c75bddf24779","id":1824275,"kind":"listing","method":"sync.erc8004/1","observed_us":1793565693429929,"prev":null,"subject":"erc8004:5042:25344","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. 0xbbc433800841a26e9b93c6d2862f5e1813e0da856e5ceb3f6a65a15b09d36915
2. 0xb88a0fa5c38ad579bcbea5dc56c1461984fa39f98d8561d00613cbbbc55f837f
3. 0xa02184e7be59cc1448dd64b04b66d6d36ad221e3b18a9f916d09d42b76d7bccf
4. 0x8808b523cfd2f83061367f5c01ec85105cb1008150d51af29c5a514d742fb366
5. 0x3da4b2a0381917ddff7f92dd3690e3611c8f36048a5bb9d09bb243a655f17788
6. 0x10a7f80d55a3bdef492c3d516927fc39d160c9db39179a6b49d0a04191304717
7. 0xc9404648876a9ac8963b9e9c434492f1dc98013b4e1bc8875802632ce7d83188
8. 0x4791102d419c5579ef297c3fe280a47cc242bba56006842caea80dea393fee31
9. 0x470aa8f53ab2863866a3179cb419f613fd87af368952059c746e23afc966580d
10. 0x61564ffea327e90b42e78e8ff1726891e2026ec0351390c6efa49cd70b6acbfb
11. 0xaaf207c659404bf9950823c5a94391b8c16d7f704e071daf144b5c8ccff8ca12
12. 0x5efb472d2bf6c533a2a7a7c1d1f9c054c41b56a1f6de01ce97047453558bacb5
13. 0x440640affa0661e2887ea1fa1c7c460096d8203bbc33a7bb6164b10e738c37ab
14. 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90