addrbookFor publishers
← The evidence ledger

Evidence row 1819337

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:22144
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
88a84ba91ded86349ddf37aa0a05171c1ea5328083823ed81eb3f7a046dbff2d
Leaf
0x02a534941bcbf2f9b530d80b3eb1e4251295f2ba834d43ee4287a86b39302037

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6HmMDg"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d7a6dca5-da9f-4980-b0ba-f7f0b2a97434/.well-known/agent-card.json"
    ]
  ],
  "name": "Donseon",
  "owner_address": "0xa78c01f94391ea4842a27f5d43852b3eb00500da",
  "raw": {
    "agent_id": "22144",
    "agent_uri": "https://centralcity.ai/a/6HmMDg",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Donseon 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/6HmMDg",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Donseon",
      "registrations": [
        {
          "agentId": 22144,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d7a6dca5-da9f-4980-b0ba-f7f0b2a97434/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6HmMDg",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562976,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:01:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Donseon 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/6HmMDg"
}

What the leaf hashes

{"body":"88a84ba91ded86349ddf37aa0a05171c1ea5328083823ed81eb3f7a046dbff2d","id":1819337,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563260847179,"prev":null,"subject":"erc8004:5042:22144","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x02a52e74e8f6b2645a0049132a2b39d1fc23a7f145a1a8c06734f4a2a5ffcf9c
  2. 0x6585aba84e97f07778ec51ecd918870f3f956af6074fa7f8d7238cfe248f8398
  3. 0x8c83b8aff7f58362e33556dca5bcc7456425d818911cc9313352ac3d305b3c9f
  4. 0xfd19802bd68f665c62e86400ee3011b58d76b329d2cc3a1d7fa13bffaa66a258
  5. 0x3d1cb57be0edb752738f9ca6cdcd90edef2c8a623f3e7bbfb4485ada45dbae61
  6. 0xcf69800a0a3d093a0a1aefe62a02420d787b541dc14882185f4e8d93b4998d8f
  7. 0xdb17dae5ff74be8d237e16344d9f454d4d1af02e9a8259583ae194c9129f60fe
  8. 0x3abc0f37ac6cc0089f6b2628206212713016a1b1357ba70746c0ea2f43e2bb74
  9. 0xda554ae05feb4ecbfcab8e28ba7e6914d033b3f2d8a1529725c5de002e4320aa
  10. 0x23db67d05f019a5e22531843f0e67cad00c7ebcfaf45aec90532f2b376208f4c
  11. 0x49e2831021e4a7d499297b33257c1f9132ac1503483abf6ed50686435237c889
  12. 0x0a4934154defdcca31a0b6442fe83c13faf26d0232a42ab012e8b30a8f915341
  13. 0x79fedbe687b77b652992baee73ae63f11f5fdb524358706ec36fc4e8328df784
  14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
  15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
  16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON