addrbookFor publishers
← The evidence ledger

Evidence row 3053981

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:278173
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0e6c2653527cb77e9933b6b91560a4fca50fe44a066356b7de16b92465e267d1
Leaf
0x416445d778da68dfa081718f9be9e3dc6702d309071622559d092e91c997c6ea

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FjTAvy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7dfa14a8-d6f7-425d-8610-5743676287f4/.well-known/agent-card.json"
    ]
  ],
  "name": "Bossano",
  "owner_address": "0x7360f9cd674a3c62021d232bd4474e1e691b6ac8",
  "raw": {
    "agent_id": "278173",
    "agent_uri": "https://centralcity.ai/a/FjTAvy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bossano 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/FjTAvy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bossano",
      "registrations": [
        {
          "agentId": 278173,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7dfa14a8-d6f7-425d-8610-5743676287f4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FjTAvy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793818507,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:59:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bossano 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/FjTAvy"
}

What the leaf hashes

{"body":"0e6c2653527cb77e9933b6b91560a4fca50fe44a066356b7de16b92465e267d1","id":3053981,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818787476384,"prev":null,"subject":"erc8004:5042:278173","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x41645d41cd257355765d1d96e9c23f2376146c9d775396f80132eac0596b0e40
  2. 0x2903aac8cdd5e0eeffdc56ea5d6065a507bddecfdccb6e3390fd9c3d1deaf3ec
  3. 0x17ad08c953140693eefb70e5264565e4815a8c6467285edb1f3e170ff8acf578
  4. 0x7cc8acbc5282c514a0e5226021af99f6b6d0906d380c418f82ad7790b26538eb
  5. 0xb76efc1656dab9471e0c5d4a7e3cd03bfc377483e6c8a27e5f537029fd38c031
  6. 0x056bc30bf3ed0337596ac090763545596b276ab3bdd7c6e5237b1341307ceb80
  7. 0x9b3e6a36ee3832e844c795697b06fb0e65d07ccb84425a2493ea91454e70886b
  8. 0x827865d276d7054801e375cc7f6a06381dba0d1b939600e921f8cd005eddc8d4
  9. 0xf8712a70150661b8d5e4145af5e3e78efdfee16644b9e326e784f0f5a9807576
  10. 0xc62b1cf95829f6aa5105d3eadae979d8f719b6525cb0c569f8828588f04dd152
  11. 0xc98591cc66f76d489d73bd0c0e45720dfac343637e972fa520ff675e8b63044f
  12. 0x8707e7149303c2902868b4efcd9d3c318889719fa2149257ec17747977b14ff6
  13. 0xc891f2c456a44ccf48c1194eaebc9fc84069eb5884bdb601396da034c0b1df27
  14. 0x3775ac98947ea3444f8e9066b97ed6d5e0ed4bfd990afc8683a340b7b187697f
  15. 0x0e7da910ed6633cc83110a62e4cfaf050cec994a935be0ff6262890125f0d2d8
  16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON