Evidence row 1776455

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Um6mVA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1a4e8e39-3c38-4b76-b028-6acef4a66a80/.well-known/agent-card.json"
    ]
  ],
  "name": "Piostano28",
  "owner_address": "0xb70baf0ef1dc58b9d8a9a2139d03c94f3178ea85",
  "raw": {
    "agent_id": "11638",
    "agent_uri": "https://centralcity.ai/a/Um6mVA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piostano28 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/Um6mVA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piostano28",
      "registrations": [
        {
          "agentId": 11638,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1a4e8e39-3c38-4b76-b028-6acef4a66a80/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Um6mVA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793552062,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:59:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piostano28 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/Um6mVA"
}

What the leaf hashes

{"body":"89083d6e3c6fe800af6edab480e22dccbfffb937f21e9fb266698c39573904dd","id":1776455,"kind":"listing","method":"sync.erc8004/1","observed_us":1793552370398558,"prev":null,"subject":"erc8004:5042:11638","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. 0x192a04742146c6517a4fe26854ec8aa282652494ad867645a6e35ba4e891ab81
2. 0x2a259950b4fbc194b0b655eb8dd0fa9ce50ef9a387f0313525e8b58f3d97c822
3. 0x0c5331acdc1c924177855e10ff6aded2e11a4e24610a944e109888ffb049a397
4. 0x073ac72b0da9515cf46e049245b00f9971db697e6dca95d43f73d5861728fb9c
5. 0xccc0357900013e2defb93371d3adb125566e88dc1086e9a3f8abfd48c9f2870a
6. 0x576d003f4b4056fc3133990e88ec483871cb4af6507385a593e85252554413a5
7. 0xee73072661b915eb135a65b1e75c52817c2161080c74be47566d4a513e36b393
8. 0xa092e86bc224be56015cea3a86311df5b36823108d8db306378d44e00ccfa7e5
9. 0x1f2cc21acb5e0b004ea014a6c4b8e6954c173de643beb151105a546991691003
10. 0x3fe17d1914d28e6ca0a20580fc4fbb8195d90bb90730770109c8a45743fec5c6
11. 0xa13c8381c50bd1518cf66729b12ef47f9789d527edeb8e94a155a6169f83788a
12. 0xbc87c436160871473fe1b25793d3a9e1f28feb14d3406224c45c430970d25db2
13. 0xe932a6d750c9158a9531e23362139f67f1dcf32cd64229987581f24d7a22fe71
14. 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90