Evidence row 2131085

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rFoTpK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/acfa42ca-47b4-4901-9deb-36574458f5cb/.well-known/agent-card.json"
    ]
  ],
  "name": "Studadano",
  "owner_address": "0x2e9a1e969bb32f94154a8f052b6ff17bcd5733a4",
  "raw": {
    "agent_id": "92822",
    "agent_uri": "https://centralcity.ai/a/rFoTpK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Studadano 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/rFoTpK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Studadano",
      "registrations": [
        {
          "agentId": 92822,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/acfa42ca-47b4-4901-9deb-36574458f5cb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rFoTpK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793621785,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T12:20:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Studadano 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/rFoTpK"
}

What the leaf hashes

{"body":"2c75f81cdd960889ee13a5fdab19e3e5934f21a5467df3a265e4699672b19181","id":2131085,"kind":"listing","method":"sync.erc8004/1","observed_us":1793622053906134,"prev":null,"subject":"erc8004:5042:92822","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. 0xf1565f48aea018d42fe42dd11d70beb3b752b2cd55ae9d2773982abd63ffc062
2. 0x87d607c3032691a4fda58d2bb66f0402aab48ca3122ecc55b5c9b94f15b779b2
3. 0x471a06eb245d9c1cd09c53cb0a8300e4b9e297a218ca992bdac65bd3758988e9
4. 0xdb939180d0a1eeded3494bd7a046b089b448b193f4bdf25234c13886dbe503f5
5. 0xfcea0f97453ab8886df61dfe9f69addcd668a18ab865f2ce94e0d630cdc03891
6. 0x03513d1e06082504ba6b06d45703454edc171ad3c99b30fde101889765b6a598
7. 0x65fc5733254eba576c255a68108c6feb93f9e9435892909a9f67c92fc8438187
8. 0xe22540782a5323e8381d7a51aa54b72512f25a8367fb683fa78bcd292caafbcf
9. 0x8949654072696c60f109c5f5ddee0cbdd03d06c51c0c9a82e3c326daf0d305f2
10. 0xec71a46b7fc05bd6bf4c779cef84b35fede93734c26c463dd9afe0e3162873f6
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