addrbookFor publishers
← The evidence ledger

Evidence row 2944120

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:224259
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
415e3f391baf4dcdd07faa7b21004f5f83eeed470b3fcb6cfadb7906a7557848
Leaf
0x804082d357a03b938e6ae2270f097a2e4f50c38bd3c4295e47cdd6bc787ace4f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sRkOK0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b0f677cb-0faf-499e-b715-302de071c5d8/.well-known/agent-card.json"
    ]
  ],
  "name": "Nontino",
  "owner_address": "0x2268d8b748b8368b50f3af4039a255f18bcf246a",
  "raw": {
    "agent_id": "224259",
    "agent_uri": "https://centralcity.ai/a/sRkOK0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nontino 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/sRkOK0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nontino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b0f677cb-0faf-499e-b715-302de071c5d8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sRkOK0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T04:04:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nontino 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/sRkOK0"
}

What the leaf hashes

{"body":"415e3f391baf4dcdd07faa7b21004f5f83eeed470b3fcb6cfadb7906a7557848","id":2944120,"kind":"listing","method":"sync.erc8004/1","observed_us":1793765049332918,"prev":null,"subject":"erc8004:5042:224259","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. 0x80409f86f77a077ffba1f51f334d29f936c9485118a3142a04e4e5bf616cb2c8
  2. 0x032783c3a3b7fcfe51fdc3c5713dccc3a3bf3347c0069dcb9eb07d02691785cf
  3. 0x254559c5a5e1537ac61290d87759a66eecda5324e096124ab3fff9803836ed21
  4. 0xd745aed678b7edf7eb72ec00900282b381f9cfcb0d58325ca87046c3c817bd6b
  5. 0xa64fd74f5173f3e6787229a82801c9168b1fad980c4bdeb6355d582231c6464c
  6. 0x2ee9665939fc0ceb7bb3cffc16e74cdf78fc1c96457dfcfcfcf657aea95a6a9e
  7. 0x6618dd7243b96268c39dd26ea6bf55cd78384d4116e68c00d15c8ee54c6aa40c
  8. 0x5c3877774fc6c21884c9a4edcc0cba331a73358472ac26e95dc8124f57ee2da5
  9. 0xca60ed63f059fb7886c05e3b8342403724b73f6fdd814431f4ebcc47a769c373
  10. 0xa8179b1be380cca8556b18d2b461e3f2378a55fff974ad7fe7245f5cadbd4ae8
  11. 0x51aaadcfc6f7226aada81d417ee5a8a3ee8010cff2b5efbeaf6314a5d2e7416b
  12. 0x6930cab19f1474022af4621415decec8a86dc384456df0359b67b65b7e57717b
  13. 0x44c041327c57a45563a3e4415225269b79de5202c7b0120913ea2cfa3c7aa4bf
  14. 0x6f7bea4b64c516dc4731bf8cc6ee3afed260a9be9432b829cdeeb4795d769e16
  15. 0xea9faa12314fce7083bb3fcd444e483bf4b2595fe0fce49bb508693c72ee2193
  16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
  17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON