Evidence row 1839227

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QwCSUF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/57c657b6-418b-4c2b-9d6c-bea308796145/.well-known/agent-card.json"
    ]
  ],
  "name": "Kassito",
  "owner_address": "0x891899b9cf4cdc2ef222bd2e57e4f898268971f5",
  "raw": {
    "agent_id": "34345",
    "agent_uri": "https://centralcity.ai/a/QwCSUF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kassito 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/QwCSUF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kassito",
      "registrations": [
        {
          "agentId": 34345,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/57c657b6-418b-4c2b-9d6c-bea308796145/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QwCSUF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572802,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:40:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kassito 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/QwCSUF"
}

What the leaf hashes

{"body":"1ff15c0c442c661fa05655398cf1c0d3d049ddca23b42708c2cbc769afa6ffc5","id":1839227,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572843239176,"prev":null,"subject":"erc8004:5042:34345","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. 0x38539ed4ed89486d132ffd8e8ad91bb67ead5a45708d8c5a20184bda719a5dfb
2. 0xeab6596302cc0fe2758e32614e5c1e96e3a02e1d46261b4a26e9df8e60afa75a
3. 0x0eded0ac21a9958917d5b517912f67a518c1c285e7b4a2c2112afe7fd9367012
4. 0xd40cdb200dbe7c0f7518eb4c6049e3098c4defc952acc0472f5ad9d2613d578a
5. 0xffa987f0c31b632fd03ca6bf88daf87b7e8f1277236f90a410028734d0a50eb0
6. 0x92a47b7d4b6f64d7bc472e4484d7b3dc45582474ae84c02d6f016f2e5630131c
7. 0xae48f040293da471270b370c40f1c242a9767d04e30110004e33df10c29f168e
8. 0x2099b1a611879da016076a58f15b689e3b9b35006070c2ef05b5c6d336de53b4
9. 0xb2d7bea552e6aec54995b3645a9cb432cead70d565793f8d5f536367df11297d
10. 0xff27f1ee3ac764d46d6a083b0aa0e042eae514df47e7524a7fbc30c6c42105da
11. 0x2053942ba6a9e2c5720dcb523f10d9a6a4e065080738d4e2ac6f651433cbcfd8
12. 0x9b74c5706b41df5a62ddd1b028fbb5469f7efc37643fbde44523f1ca919bc8fc
13. 0x28720157dfb204e575f9c0d1f725e8e1a816aa8cdff9b2a7135d27bf6c638bdd
14. 0x07ea6ece7de601a64e2a172b49fb304109f2a8322814bef4c3168d05334b3609
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90