addrbookFor publishers
← The evidence ledger

Evidence row 2560539

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:173728
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d2715e5743fee482a14f8c16455af688e1a7f88b0b69960dde70382da0458868
Leaf
0xc08a3f394f4ded99a5499e5128e5cebc7abacc8c0150708545f6ff265ba6b090

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DEjPVZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fdc5de57-98ab-4c9e-8a92-19b9bdae9dda/.well-known/agent-card.json"
    ]
  ],
  "name": "Viabisto",
  "owner_address": "0xc9ce909d3e4155bc29bb7d7d9789bfa843e32a98",
  "raw": {
    "agent_id": "173728",
    "agent_uri": "https://centralcity.ai/a/DEjPVZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Viabisto 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/DEjPVZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Viabisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fdc5de57-98ab-4c9e-8a92-19b9bdae9dda/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DEjPVZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:37:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Viabisto 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/DEjPVZ"
}

What the leaf hashes

{"body":"d2715e5743fee482a14f8c16455af688e1a7f88b0b69960dde70382da0458868","id":2560539,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698623675882,"prev":null,"subject":"erc8004:5042:173728","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. 0xc08a25e4e8f7a348c684490b1502c9e995d45529bc9a0109636e4e668690b509
  2. 0x86574eb13888dd1a0b586bff1ee706e41e0577f6997521951c8ec7f9ca21d257
  3. 0x8d02189781dea2790f1810937278709d767f3a9d961451b156529335a9028ef0
  4. 0x3882909582be89692769a24ca6a3138e9e619b23ff972ba4a35382f7e326f98b
  5. 0x3c997eb9bd284bc63c6e82a1bb09117aac0f6ab79fb4d7c5b4e2a0fc868c824e
  6. 0x174d411dd5bbaed8ad3f3ae4cd5dbc1fe45a737e3bbb94b836576171b4d4dce7
  7. 0x6d99b01c2ab506366d0aa644c702ff2e10f27d6176b66d63cbbf5ae2bba48345
  8. 0xd200f2b5313e768b2d2dcc3b73fa5ff63a5a8da1d84badd6cd7efbf903dec624
  9. 0x15ecd9387d13185f81ffedcbe0597670e18e01d2fef03a4305f4db4fae649115
  10. 0x72d6b56a6476d219dac7ca714b7837d92d58dbb6fdc6584e7eb51f3fa04a7b3b
  11. 0x9ce0034f2e51e1e7cb74d4a39f6175923f824eaf27f4d23a79bc22bc86c86706
  12. 0x03bba5c0f32b920d76af8de61973ae17bf02688ef02b94e203278f2dc44c0b0d
  13. 0x5725fec26fdf9c4b3be2c1880ae1736a4d7fa0eeac79438dd7580b5eaa289599
  14. 0x1d666a17ae41c2931b0c5276dc8bd8c2adf9827a61eb629d06ca3a33ee6a051a
  15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
  16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON