addrbookFor publishers
← The evidence ledger

Evidence row 1815524

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:19911
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e4fe7faced69625dc9c07fdd562d9af7e13554e5b3fa4220d163418bfbcfc91f
Leaf
0x9272a003e791b8270869941637cf79eabe5053ba36543fb321eb01a5947bb273

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/kcKtbO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/10772a80-947c-43f1-b2a9-1e642225b70a/.well-known/agent-card.json"
    ]
  ],
  "name": "Daset",
  "owner_address": "0x32a2d9697877f1db596a8688769ce105d9daa9c1",
  "raw": {
    "agent_id": "19911",
    "agent_uri": "https://centralcity.ai/a/kcKtbO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Daset is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/kcKtbO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Daset",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/10772a80-947c-43f1-b2a9-1e642225b70a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/kcKtbO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:21:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Daset is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/kcKtbO"
}

What the leaf hashes

{"body":"e4fe7faced69625dc9c07fdd562d9af7e13554e5b3fa4220d163418bfbcfc91f","id":1815524,"kind":"listing","method":"sync.erc8004/1","observed_us":1793560917483416,"prev":null,"subject":"erc8004:5042:19911","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. 0x927276a8afd92de33e5494f7c72f09b889e4cb776b1d738e8be4a8894b2133be
  2. 0xc9ae09c421a066a2c175a43fd43c18ed1db793fb47dd1bc279defcbacbc98039
  3. 0x564cd206c477f44d0cb175edad860789a249e8b6639fee92de21d760a813f52c
  4. 0x054282532120c30ce3c39d58cf90f3286ec9931c7d759e4728b72c51685549b7
  5. 0x5d9fd700cfec2399c6cdcf334e3f284172a4d56587117ad179a242c748aa6c99
  6. 0x719b73904d021044f51a9d5869e583ce45902573d816765748ffc0c4762f07fb
  7. 0xd45fe8541ed11c14e82d94a9ba75e8b1cebce95b9f4b3c25f82fc92035b2b8d6
  8. 0x80540bf6e5a12c84efd5f66a7a00346187deba8474114ec0f53b7463880c0e96
  9. 0xd00e0bf3bb9e1206b88051bc91e4136563505083fa289a53dee2de78a0ae9d60
  10. 0x1064a67b05457c709b6870a157a35a33135fb6c06753b56723b41e142df50811
  11. 0xf1c27e68dd70f4e29ed9028b1c23e6bf29f1eb2ff50a8397831ad3fcdbb19917
  12. 0x4fd690c8544ca6b7240571aac78060441cc959a78445821893d020b2f7aae90e
  13. 0x73357a003686b5a36e79c0627c363287b3b4b7b05650c5c5ef61e2fe0f8fb20e
  14. 0x4a947b63bd24ff0fe59b3ababead63ec46e4f0a77216d7b01b8bdbc5c7c01e63
  15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
  16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
  17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON