addrbookFor publishers
← The evidence ledger

Evidence row 1770191

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:6670
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3f538238f50903e46a35b07163d6b3a8d2cf48b95b6ad3ad713c7abea078cae0
Leaf
0x7f5637910edff24c26e8f92cebb11fd51adc983c9aa385f82f0704e05289da03

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NBf8JH"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0bfe7298-014e-4f7f-a403-cd773196a6b0/.well-known/agent-card.json"
    ]
  ],
  "name": "Breissero",
  "owner_address": "0xb0ecfa728237d331609714e17fc8c12a823dce65",
  "raw": {
    "agent_id": "6670",
    "agent_uri": "https://centralcity.ai/a/NBf8JH",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Breissero 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/NBf8JH",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Breissero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0bfe7298-014e-4f7f-a403-cd773196a6b0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NBf8JH",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:10:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Breissero 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/NBf8JH"
}

What the leaf hashes

{"body":"3f538238f50903e46a35b07163d6b3a8d2cf48b95b6ad3ad713c7abea078cae0","id":1770191,"kind":"listing","method":"sync.erc8004/1","observed_us":1793545823985536,"prev":null,"subject":"erc8004:5042:6670","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. 0x7f563e6aba497225635bd3ea370578209625d43282f50ac9383cd282315902f9
  2. 0x131c9ac25e3ea589d9ac23300f2b4bd9284215e4b3221e58e16a3d9351cde4bd
  3. 0x1b37535df0771baf055dab54b0931817d3e8f6a18a5157b78203fea85b706c88
  4. 0x91ee0a9b75c964618e8cb1414f2ffc0c1d6b85e99964b96f881d5ed12446523c
  5. 0xb9781a8eaf14d410144b0e2a5a8e9bda2be9b3cfafe33f31f331c3bf36d8c118
  6. 0x7fb2832433a2d0f4037f6e30a74e5332fa9eb859648c7322821eee3be4e7906b
  7. 0x2d0868845aea0dc17af177a38980f7a5dde03c2ca837ea96b772b9348cf44d61
  8. 0x26ec7fe507a7af1a9beb99157b6f6ff409013d34a884694eb99b81ca6a1a52a6
  9. 0xdfa9876db2442e34cf8490443ff898a6a08928fe9d13a1e70e20ea8becdb5e72
  10. 0x7d613368da830f0f60c008a33fc2e822adb4f00074134c734b5cce1df74541ca
  11. 0xde5fcd433838fd1f03f4307634d8c97d5d9e913beca1a3345f045e6134ad2a9b
  12. 0xbef89f30edf79e35d1e5c3609040274f03bf6b5037e6619fb8bba37e42ead800
  13. 0x0d7168eda56f959819319294f2344abf3e83a06736c3ef37f9f274fd0bf74ed0
  14. 0x19ce574eee56ae085b2ab0004d191db3debc9d29cba2d71de21a8710ca8151ed
  15. 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
  16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
  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