addrbookFor publishers
← The evidence ledger

Evidence row 3156275

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:311495
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e1428ee06ba765050bf7bd67d1e10c5a99a6281d8db4375820fc08712fb17283
Leaf
0x647d4d70a65cf907ef46d1ff34a01ff2b19bdefe8f998e5b95382dd32039a76e

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4DLii2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/336a7b84-3032-471e-8f52-aa9bc6fa78cc/.well-known/agent-card.json"
    ]
  ],
  "name": "Mastunson",
  "owner_address": "0x2ce7bc90ad7794a0d21b17868b9a243c86aec7a2",
  "raw": {
    "agent_id": "311495",
    "agent_uri": "https://centralcity.ai/a/4DLii2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mastunson 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/4DLii2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mastunson",
      "registrations": [
        {
          "agentId": 311495,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/336a7b84-3032-471e-8f52-aa9bc6fa78cc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4DLii2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793837317,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T00:11:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mastunson 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/4DLii2"
}

What the leaf hashes

{"body":"e1428ee06ba765050bf7bd67d1e10c5a99a6281d8db4375820fc08712fb17283","id":3156275,"kind":"listing","method":"sync.erc8004/1","observed_us":1793837466286947,"prev":null,"subject":"erc8004:5042:311495","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. 0x647d95fedc294cb5b0d638cc48656627ab3c97e545778b8bd34a4fcbf9ea8dc6
  2. 0xe034cd5d2efba2950b79bedae0028e0bfef31a60864cc5532728759f95fb340f
  3. 0x9ef0139fa39f6a4a67a4a9066a58e82a879c14a2e3c4950074d899555e6eeab3
  4. 0x4e54a5b3006fed1cc14b7b8c365f8eae903b5c85ccd81dabacb82360df4ecbc4
  5. 0x8839b9a0bb7f7ab850d9a6291bd50fafd576c157b51c5130cd6581a051448117
  6. 0x843a6656b8c917dbb97bf7af5e7ff4b7a725663f2cd40d15bf2e22ed1c5fdc84
  7. 0xcc7cf971122b7cc9c106e8083f74d771193732802163f93413144da0620826ec
  8. 0xf7213893d139b0b5386c1e20c2f9499a358aac0b69cd4feee82d28fdff752565
  9. 0x98c711be352ab29462f81dd34284f5851f818741f1126b2679765bb703692b44
  10. 0xf0bd3ed5de4e6729ce10b55076af55e77243458ef89664e13e86048126cd6fe8
  11. 0xbdc66b91fd127c95e877818e2db99f45377618449bceb830ee6de01f6491ccc6
  12. 0xfced449b3e7e4909cd5bb3dc13f55042b00e829e8054b4422cb23d57a838eac1
  13. 0xd034548722c9504904677c9c78a99cfd999046f6ba62128a4b775870b4cf2403
  14. 0x46ef5af0b7f0274dcbd6f51f6acdc148191a732eb4945d58cf9ab96f1f37d590
  15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
  16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
  17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON