addrbookFor publishers
← The evidence ledger

Evidence row 2068422

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:65601
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
04ccff2b26f90239b285fd46061c58ebbf94c5d9361c80cf07f4fa2fa6a0c77c
Leaf
0x37492686bda73caedb8ffd710997ec76b885ae3fe1cb320ff33c3a00cbff2e58

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0CaLEG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e3d2ddf1-78b0-4f58-a8b0-9c51399a4cb0/.well-known/agent-card.json"
    ]
  ],
  "name": "Niakisto",
  "owner_address": "0x85e1f5acaead0539be16bda80063ea16ba9d6c96",
  "raw": {
    "agent_id": "65601",
    "agent_uri": "https://centralcity.ai/a/0CaLEG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niakisto 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/0CaLEG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niakisto",
      "registrations": [
        {
          "agentId": 65601,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e3d2ddf1-78b0-4f58-a8b0-9c51399a4cb0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0CaLEG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793597884,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T05:43:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niakisto 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/0CaLEG"
}

What the leaf hashes

{"body":"04ccff2b26f90239b285fd46061c58ebbf94c5d9361c80cf07f4fa2fa6a0c77c","id":2068422,"kind":"listing","method":"sync.erc8004/1","observed_us":1793598211141498,"prev":null,"subject":"erc8004:5042:65601","subject_kind":"source_record"}

Proof

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

  1. 0x374900af40d045514931d7064a3653dc532fa6728fcb10593586c4e813e7c44e
  2. 0x52b306b72e1f9307669192b405e66d0a124f661292eca349fc59870d97534d45
  3. 0xa570c484918171c11e0923c49cfa3ecf1093c519a005e50015d2052c885ffc98
  4. 0x3b9c21abddbf4af0e70527535405e3a5fb713dbe8b4819dea50302b663d55481
  5. 0x1679d7b71bf35f98c72c9227a1716551530fcfa02fa2dbddf1b919eb3c7df492
  6. 0x405890b1739587748ad6120ed39d829ad4619d8f46f39e452e62b81347fe3369
  7. 0xc5313330a9a9bafb369c61936e0336fd40867bf8ac6d72191f5fc81d09ac1037
  8. 0xfba45df6ae69c35081a665a23d0542c2e6f772287da1636823056b321f753a28
  9. 0x13c6e00bfba8b5b8dabcc0b3633760f3c455307fb276b7853f78afad47f178a0
  10. 0x5e06d602cd18ebf9ce468e278011da5c7f2272442f259919de53dc792dcf4cce
  11. 0xf69e5498d61a996c78ff3e70adb2cc8fa90d5760f2afada04d5c046759a9c688
  12. 0x4447e402cea61275117ac4e9975eae04626bad327ccc4f13f5d1b453b487c0d6
  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

How to check it · This row as JSON