addrbookFor publishers
← The evidence ledger

Evidence row 3406222

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:336621
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
747834871b719a9b4b4368b291adab77a40bd87f57d7ca1b4f667da236f64867
Leaf
0x3f5e8a0b62874b41ad8a94f5ef1b791435c72fd689a96cbe5c841d1b613c56f7

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UdPb0r"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/de029bd1-fdc0-42a0-96b7-90e3314c6728/.well-known/agent-card.json"
    ]
  ],
  "name": "Vitensert",
  "owner_address": "0xd74c7833165678b04622dfef4695d5839ef240ed",
  "raw": {
    "agent_id": "336621",
    "agent_uri": "https://centralcity.ai/a/UdPb0r",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vitensert 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/UdPb0r",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vitensert",
      "registrations": [
        {
          "agentId": 336621,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/de029bd1-fdc0-42a0-96b7-90e3314c6728/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UdPb0r",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793883809,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:06:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vitensert 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/UdPb0r"
}

What the leaf hashes

{"body":"747834871b719a9b4b4368b291adab77a40bd87f57d7ca1b4f667da236f64867","id":3406222,"kind":"listing","method":"sync.erc8004/1","observed_us":1793884006991331,"prev":null,"subject":"erc8004:5042:336621","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0x3f5e8d29323ad2731e8cedb033ee68089efa0595d618a1c08799273a061895f4
  2. 0xed69644590e0cb35b3d5dab80c34ddc3663448c20b77f419fa2ddeea5b722112
  3. 0xc82b82d848af557b9a4f08e5f5b0ac3352154e0e400befe8f76b71b8560b8242
  4. 0x81f5f21c0279bf23d078a1be296e5941b544f54dee479097f68e70f54aa8ed74
  5. 0x5cedea6960751a9c4eb9fda5c9b93bed7ca411c5eaf05bbdbe798700e1e28420
  6. 0x3d77deeb4986a68ab506043fe57336c992d73f798fa5125bd74e4ab7754ec038
  7. 0xd66ad14bbc441c8b1de0381ef2ea038094caf51d5326bfb243430135517135f0
  8. 0x57d46e5f3a4b7457bc8557ea6705adb76e354d547a2022ae340b03b4d4192509
  9. 0xddd41824d0ba037f83e6749f99c8ba4cdca9e372e521e4d3f65e159fbe5f31b3
  10. 0x31036d0612a65d3f10a1c692186e4943e15428aa19709d6ff18a2cd164e6c1a2
  11. 0xc737f066c3376092d190c24b2681f98e1fe5e467f11eb0ff760f3582cb551336
  12. 0xcc8d2d39fea186639d0cb928d8cc61aadb3be0c002300d35712e05d420feb94a
  13. 0x48648dd4f971fee285fa0222e69dc1a0da4babc7feab5ec318f7a73168afe6ba
  14. 0x3c16643790e34c8c5649fdbe53776c476af90f18df9b0c0b294e98a29e084878
  15. 0x883cfefa109428dc814deb63a0effe3eb85b3c5ad64045af0b1fa6d33dcf77d1
  16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
  17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON