Evidence row 2304807

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wQ74FT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/653a0c29-daec-47ec-86db-f8fa844a159d/.well-known/agent-card.json"
    ]
  ],
  "name": "Nistino",
  "owner_address": "0xb20f84896de6edf4bb6fdbda0926cf10010dbbe4",
  "raw": {
    "agent_id": "142877",
    "agent_uri": "https://centralcity.ai/a/wQ74FT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nistino 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/wQ74FT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nistino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/653a0c29-daec-47ec-86db-f8fa844a159d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wQ74FT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:56:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nistino 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/wQ74FT"
}

What the leaf hashes

{"body":"2b169008fd17db65d112bc7cb354ad1d43e81c92bc583d2f0ebd3649c74b1760","id":2304807,"kind":"listing","method":"sync.erc8004/1","observed_us":1793663801499824,"prev":2304262,"subject":"erc8004:5042:142877","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xf1c0fc88fe6293d513ff1609d45851529bf81d12f41240b4ab65a948ba1d29a1
2. 0xeff3e894007f1c7ad3088e49c017bdc9806920ae9162cf11f77f35a08c7276d1
3. 0x55a3c180fafc4b3163b49f6b1b1d2703f9874594ac6cfc1d2ac0725a8b6f3d79
4. 0xecdc5f4221cf5a9b85dce4afae48faa525fd9220f4df51949748fd6533583b88
5. 0xc9907c866ba49f473bb251db387e1a8580c42b27e04e196c9255a52fb383be64
6. 0xa40da42976cd11359f4d3954172d5b899f393f2532fa2d7871d084f78867091e
7. 0x606ba7f64f6b43456d84800e125f0837b7e5483e79795443f4784d498e85443e
8. 0x4fba24d19a75adb75af73aad89abd7d9efbf4d3380a9a5fb0904dfae93c223df
9. 0xee19e435079119b0e24fb7e83f7a434d6fd52058eb2cb5f972807d9aacee99ea
10. 0xeda4ee1d6939b7b6e98e6fd3f02b667fc258e2b6548aebb87832a1b4e5c7e833
11. 0x524cc790fd0b51cdb2aa348ae9ccb36a08ded8f64237535924a01130cbfefa56
12. 0xb1cfd9a92a45cec10e39ecd4e3a55abe88d7bed40e1bf1019d4093968673e4e9
13. 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
14. 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af