addrbookFor publishers
← The evidence ledger

Evidence row 3459540

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:354428
Recorded
Previous row
#3458889
Body SHA-256
9c76f720b815fb59f97309045093f77c1b70daa1a200cdb3e23b609ec3099621
Leaf
0xa2a7fea590d733216351eef64aa6d0852d9b04c3481ec18a145d8e93db5136d0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2Yhl4C"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/110a54e6-7730-4d2d-a8e9-b80ab8d8f93e/.well-known/agent-card.json"
    ]
  ],
  "name": "Maissino",
  "owner_address": "0x366f1750c4f9ff8e27d3f6aac96b9a95ce467711",
  "raw": {
    "agent_id": "354428",
    "agent_uri": "https://centralcity.ai/a/2Yhl4C",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maissino 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/2Yhl4C",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maissino",
      "registrations": [
        {
          "agentId": 354428,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/110a54e6-7730-4d2d-a8e9-b80ab8d8f93e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2Yhl4C",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793913471,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T21:21:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maissino 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/2Yhl4C"
}

What the leaf hashes

{"body":"9c76f720b815fb59f97309045093f77c1b70daa1a200cdb3e23b609ec3099621","id":3459540,"kind":"listing","method":"sync.erc8004/1","observed_us":1793913718307153,"prev":3458889,"subject":"erc8004:5042:354428","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0xa2a7c3ba06af111f56b5680d35c33e466b2f9cde8cb38ffeb920728fe071d317
  2. 0x9e3949f574ffdb013eb806f2d6c3075a08d60bc4e0c860507fa8b8ac14735482
  3. 0xab96bf8d92c8448a3ce2834eddf638b9788b14cbcc67d375c8a9141d4515285f
  4. 0xf1823c6ebc63741b55ae1bf21cdc669e24a7dc402b46df60882b86527913ba71
  5. 0x094563e3650a362e25f7488e598622014c634cf70ea7dcaea52212a38313c4c1
  6. 0x2998b1b8f828b55e4c8298e3a925e4881b96456e14208aec5372880d0652da75
  7. 0x296c41a9713daf5234aea7f463ddd15899e35a4cc1bbfd0dec7bbe98d822e57a
  8. 0x722cccd1ff2a6b1beeb18f23579d689f1a049cdf94cc54a870c95294b0bbf0bb
  9. 0x836a1c88bdd4f7ceaa2d7fbb8c90d76fff579bb0cc4286368b19b6b1113a90ec
  10. 0xe449a946e9fc3c4c4626d0e6deafd834b6f31b88d9cc87f9a0782de86be03226
  11. 0xbcce5d5bd1209a86f0d6f6bfb70912e4730a2434903b41b5f05eab9b281de8d2
  12. 0x1094ee0cca0870516bbc80ff66dcdf3e37a0aacace192c4ce31c77937a4aa665
  13. 0xdbf8fca80489501181aa462ff1fa870f39a2358e02f1bbd95eb23d397faad069
  14. 0x9b9fcbddc5e61cd56d284bbf85f74d7b6024baa4338a1e4f6406e8c01db66d25
  15. 0x1c65721edf79939e1513441d5a9e3be301d6801a492ba436ec3148b4e982f044
  16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
  17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON