Evidence row 1820038

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2YS529"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c447728c-da91-4131-888b-24b9708de139/.well-known/agent-card.json"
    ]
  ],
  "name": "Friosjo",
  "owner_address": "0x3e69048798269e79cc169163be9eea68614ef283",
  "raw": {
    "agent_id": "22620",
    "agent_uri": "https://centralcity.ai/a/2YS529",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Friosjo 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/2YS529",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Friosjo",
      "registrations": [
        {
          "agentId": 22620,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c447728c-da91-4131-888b-24b9708de139/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2YS529",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563439,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:06:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Friosjo 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/2YS529"
}

What the leaf hashes

{"body":"d3103916c26c04c194306ee0171340469e3fc1754c5a58b72c7bacf1687dccc2","id":1820038,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563606692856,"prev":null,"subject":"erc8004:5042:22620","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. 0x24b5a4ea4bd81b66fa4249ac8d443e327455f2d4c5f6c93b2b4cb55874154590
2. 0x1096e6affd0c05752a2e9b844131d513bf6ccd3f2dee731f48a0de80769e2d5a
3. 0xf5413909147fa9dd9961876b784d1322e76b790c6c55aa8c090ce73cf9f46633
4. 0x35556e0ccf5cb61d9d23571f9f0c887515030234088b1bd484fe968cfd87b4f0
5. 0x3313f12f5bcd091484d1f36d7a800d191bc99645bb24161a35d2bc6527d58ee9
6. 0x39e677fcbbfe577cb94a4ca78b0addf910dabc063c63f010572249d871c70764
7. 0x5a0a5a614816a4184bcd69a0f3513836776d0ffe66f30a3b9137b4a20433d821
8. 0x265a5447924dbe80fb87202114d6c3d66a628dd895d06c2209e2100d7851ce7d
9. 0x86bfdde4e8f4eca58cf1d572c8585a57a57b5fe0dee93f1948078fc38b117f73
10. 0xdb048f5f34b3220208c1828447922b2ec70ad65555ebe11f29f78c102574ecbf
11. 0xfd72bf18780888a093345de4c9aa6a296e108116f0fd3cf91d4018e68b486073
12. 0xa24feb304303981d15bc2e4b3a4eff6c311a465aef90d007f964f26c8b636fec
13. 0x9dd502d4ff98d6d9a3253ed5276781da0bbca65c29f44992970b6dcb262524b7
14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90