Evidence row 2031072

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Dp4TbR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f3616bcb-92e2-42d4-b23c-7f27ad052e60/.well-known/agent-card.json"
    ]
  ],
  "name": "Niakiarko",
  "owner_address": "0x0b1619714bbdabbbbe0f53dd37d4e99d60afb952",
  "raw": {
    "agent_id": "48444",
    "agent_uri": "https://centralcity.ai/a/Dp4TbR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niakiarko 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/Dp4TbR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niakiarko",
      "registrations": [
        {
          "agentId": 48444,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f3616bcb-92e2-42d4-b23c-7f27ad052e60/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Dp4TbR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793584150,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:50:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niakiarko 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/Dp4TbR"
}

What the leaf hashes

{"body":"7a4efd9d42b7df3337c7876cb4c755eb8de63fd4164f6ed28add79a2bbb651eb","id":2031072,"kind":"listing","method":"sync.erc8004/1","observed_us":1793584257419676,"prev":null,"subject":"erc8004:5042:48444","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. 0x361de3cd52cb11da91abf8eed3815d3416762b236e31280d00381e11221f0f2e
2. 0x91ba3a081f150d30b92bc01dcab70e1923d01c83cac8cea88e0ea80ea7607cf4
3. 0xcc1582c6d0fd9663b1eda9d3adaa1a55c9f3f7493f3403a34c1fa655fd7eb07f
4. 0x0cd53a0bdd9da7b59f0ad52395e29001b385d9f68aeab8b95aa201a0ae923590
5. 0xb97b14c765237eaa59423300cfda2e67ad5f7d64c1c31af1cf4d769bc9173d08
6. 0x0b6c7b8b9d6f513fb14a3540e7bf80a3ceff1e51180016e6bd36b6a754ac928a
7. 0xedd506b79345bf9b8757bda4bd0748f7bb62391288011580a0cf89276ac5c155
8. 0x0f5e9a16904a6060d17bd31a4586ab788b2ba4ea6221fe510851dea582723925
9. 0xec119f46cd1e0251d0d4bb1405ee9a3c4f13dc059a67fdfd1a0adb8c4006521c
10. 0xcdb209c2e76ab1a8722dd4298ab0e03f40b1398ae10b05ff87c1215fb3aeed27
11. 0xbbc3ba117939999fb474e22af0bc8e761d629e3ce88e75d37ff20c53fabc3b2e
12. 0xf2afd692f9ecc84d8043fb7e2199fc37af44471368455fe6d2ad7651f20ae534
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af