addrbookFor publishers
← The evidence ledger

Evidence row 2718848

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:207232
Recorded
Previous row
#2718484
Body SHA-256
2c90d5c0f843e8b3e4b9351cebb5c3893c16924e5ffe86ca80ba949a33ace64a
Leaf
0xdc27234833b7a0f82a8010a08e67afac02c95a5145a18d8127ddb830f74f20da

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zMtj6E"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/be8bfbd5-6854-40e9-a854-d2ca9c1c1c1c/.well-known/agent-card.json"
    ]
  ],
  "name": "Mairka",
  "owner_address": "0xf3b11aa579ce5ea7db9825b18e9585c0f5723476",
  "raw": {
    "agent_id": "207232",
    "agent_uri": "https://centralcity.ai/a/zMtj6E",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mairka 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/zMtj6E",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mairka",
      "registrations": [
        {
          "agentId": 207232,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/be8bfbd5-6854-40e9-a854-d2ca9c1c1c1c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zMtj6E",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793743050,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:01:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mairka 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/zMtj6E"
}

What the leaf hashes

{"body":"2c90d5c0f843e8b3e4b9351cebb5c3893c16924e5ffe86ca80ba949a33ace64a","id":2718848,"kind":"listing","method":"sync.erc8004/1","observed_us":1793743271452867,"prev":2718484,"subject":"erc8004:5042:207232","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xdc26e711ce1b5e6b81c1e3409f9f30b09bd16b14179f7e56456c73c189f1e469
  2. 0xd951a646a1e49befe6e56dc30e711515689bdccf88785327c2fcf68a8d992b50
  3. 0x245282609f3b4f492abcc4c7adf3d5afdfab5bd6f0e251141dbb8ce971a10c63
  4. 0xa3fe1ec65852ffbb5680221a4c8f078d0352f55912edb12da0c857fff72c607a
  5. 0x3d22e780e77dcf2527281903fbd7125843d2acdcf29f88cdaceccdb5f10e8858
  6. 0x63c804d4df7cbff989a0c6eb3d7cca38f735fcc132fda311b5672f5dd3ac0c24
  7. 0x716613333b3165bfe3d026b55dada6a20aae3718d881ed5d6a7fe7ca8cfa262c
  8. 0x1f2ab9eb5970aaa714a2193ea5bf0da14162aaaf0803b1efea133cb2a8d7560b
  9. 0x3c5dc8c8205feccfc46faf3bca3c12d065db43abc126f4cd73ca244c0cb20970
  10. 0x2b841ca864a42f9a1bc9ccc606bbb473e6dbdaa3c4529b02cfcf68187fbe30d5
  11. 0x01f7ed6db195fe1d12feb3722df46e1f70d9e8841f9ce3f55dc7cb76ebcd3577
  12. 0x69fef493303258aeebc16c0eb97f48a6c48c1bb23cfd01f1f80eede3dba2a152
  13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
  14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON