addrbookFor publishers
← The evidence ledger

Evidence row 1774165

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:9673
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4d755616d431b4b94be441a23bd888b439d9d9ac05ee2f38ad8dc2f2887ba45d
Leaf
0xeaf7f78ce36b5c3c3aa5bfe30fffb21c968ae18d3b93b136941c20a7ef307bff

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4mdTdn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2decc7ba-8aed-4576-b6a1-8416d27468d0/.well-known/agent-card.json"
    ]
  ],
  "name": "Tostero",
  "owner_address": "0x0b2b1d66d630619268fe19f7829f4bcf8adabb8f",
  "raw": {
    "agent_id": "9673",
    "agent_uri": "https://centralcity.ai/a/4mdTdn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tostero 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/4mdTdn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tostero",
      "registrations": [
        {
          "agentId": 9673,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2decc7ba-8aed-4576-b6a1-8416d27468d0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4mdTdn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793550212,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:25:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tostero 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/4mdTdn"
}

What the leaf hashes

{"body":"4d755616d431b4b94be441a23bd888b439d9d9ac05ee2f38ad8dc2f2887ba45d","id":1774165,"kind":"listing","method":"sync.erc8004/1","observed_us":1793550338592485,"prev":null,"subject":"erc8004:5042:9673","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. 0xeaf7bfe474fea07854350fa6de68a53ac2951d7e311c6a1905356a0e58ddb9aa
  2. 0x774a4c57ce5f82b90eb5bb85d463a758fdb7ece511ed2324c39a8052c25bea35
  3. 0x768fd197569ad1d2c15edbfc557e06443a91688d07908d7c99ccaba12da87193
  4. 0x65697df020e6072ae59f5d493f8f39f2d48abba830ada7384c8800215def586f
  5. 0x177c9a07b4f6e91b9edcb34aa7042c74d150bfe4d69989e2adf70640897c2f86
  6. 0xc9362e4bb01eb97d8f14ef10e77b48a3a9d23713678f922b9ba2432a871a9b0d
  7. 0xb0ac00161100257eee0250f40d4d8097cbfd3d4b525d72456eb61b74a5771fcf
  8. 0x701171ea5cf4b9bb31030a92126b779fb2bf4bd549fd3183e5b7805d71d76be5
  9. 0x63c348ebd1ebc6e9d2f3fb9bc28a48a35c3b09b3e1b2dbddeaf8fd8cbc959306
  10. 0xeca4693e935e3da11a5ec75e58fcc94cd3db4f8281abc3b557bf5525bf0eecaf
  11. 0xcf85d319d01592149a1b3a3ee05df9c98298acdc548209c6db06bb2ea16719f5
  12. 0x1f312e74c87da8ecee6d936c3b2b94559c2f69204ba5da79c6aa8c768064c908
  13. 0x0634a45000fa6f73103fbba8bbeae4bebdb256b75effa591aeb1cdeebe8a0e87
  14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
  15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
  16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
  17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON