Evidence row 2922218

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/D4bpPD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2fe6b43b-7a15-4df3-a9ac-099a7f229520/.well-known/agent-card.json"
    ]
  ],
  "name": "Kosseseon",
  "owner_address": "0x05b5aa88f853048ebc006103acb2e7f1778dc522",
  "raw": {
    "agent_id": "216271",
    "agent_uri": "https://centralcity.ai/a/D4bpPD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kosseseon 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/D4bpPD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kosseseon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2fe6b43b-7a15-4df3-a9ac-099a7f229520/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/D4bpPD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T01:11:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kosseseon 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/D4bpPD"
}

What the leaf hashes

{"body":"f27798618be0c7c17c7a4a4938c7b9b4ad1f08c1cf9db94cf55afaa520999246","id":2922218,"kind":"listing","method":"sync.erc8004/1","observed_us":1793754664164023,"prev":null,"subject":"erc8004:5042:216271","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x4c56188a4d1f1e2fc771b633c25812a31f1317d14cde32dc7773759e991b30ab
2. 0x8de101f4edd2d02803f3c2b7a0b5736d039115a8fa841a3ae3bfde8fc915e84c
3. 0x5b469585d8387ca8319322f7e90a0db1cb7bc4e9fac4ca1c616e39fc78d981b1
4. 0x4ed36ed2d870843c3f5c75b5fdf7d536681f0d7db23468b9c882739ffbb6431e
5. 0x44183fabac1a6aaf1bfb31e47c34fa7f528021570665a4eaa9e05697c3739a11
6. 0xdf4914a071984af462bce1986a2edeb004e5df63ce213bd230c0347be85dd8dd
7. 0x6c3348c0d775a1ac429da443c83fec012059b2afffb6ac81cdce6d91c0c4c4d7
8. 0xdaace4d6e696d47640dd09872f97dde29c71e4f1ced55b23796cc9441100804b
9. 0xfe3c25182515a7c02134440f23a535a547f36a0956860570b2b5b2a1d91375a9
10. 0x719645fcc96d9b507a8f0c1c247149fe9a07c53bb5d50cc8aee5b4377d97c7e5
11. 0xf5ba5ad7948bbe98e4360727fbca8a54b02a4f89daa38114100d6fd3471c0207
12. 0xc4777045f8a872f63135f68bc4126a2e41209d61a622ef5eddb3996ee8a0da90
13. 0x3c922806ddf9a5b276c9fb77ae991dd0931af4476d7d13a105f9a3d0da266f25
14. 0x522a25971cd6b6d3e9a052dc11f957b2d317b322866778d5d8ebb96f44d35189
15. 0x544c1b2a55fd13025d2c8d59b81cb53522492b432ac735cbefd94b47b754d5cc
16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345