addrbookFor publishers
← The evidence ledger

Evidence row 3456317

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:353505
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
050dec941efc5b130494979a19ea3f2e137c9763703fcf8c4f35ce4568197756
Leaf
0xda2d00425e2e9e1ce89e7e817c50154627457e652744a2fbf2f811dec3afabc8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/oQfM3x"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/759588e5-c991-4ef9-917c-0e95a90a5a2d/.well-known/agent-card.json"
    ]
  ],
  "name": "Zastel",
  "owner_address": "0x3f38ec9558dae8e6ab6067579dcae5b6475fb62f",
  "raw": {
    "agent_id": "353505",
    "agent_uri": "https://centralcity.ai/a/oQfM3x",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zastel 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/oQfM3x",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zastel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/759588e5-c991-4ef9-917c-0e95a90a5a2d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/oQfM3x",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:54:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zastel 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/oQfM3x"
}

What the leaf hashes

{"body":"050dec941efc5b130494979a19ea3f2e137c9763703fcf8c4f35ce4568197756","id":3456317,"kind":"listing","method":"sync.erc8004/1","observed_us":1793912060029340,"prev":null,"subject":"erc8004:5042:353505","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. 0xda2d1750499f56d75005d620433c8dd5da8b14d2a6aed7f58c9afb53edc93868
  2. 0xd789b4b1206e4f6b63f67dcd81853f28abc73380c25539d59c6722a75b0adee5
  3. 0xb94fcefcfae1bd7903595b8e02a59f7c02879a24c1806ed87c8633f010e25890
  4. 0x63d755bb77d5bb3b00196136c81cb079cc1811d2cc03eda33b82d8f297e8f0e9
  5. 0xe3b892523c338630c493bbb57a9d84af52ba25de9bc4ea26b2306edbe90f5d46
  6. 0x5bd3573a037d62e7d7530eb698af7c7de1b8c03add0e07daa2d1a4bb0d7fa106
  7. 0x79fcdcf8c57f1aa6491815aa6bcc891fca39c71400c33cecc0adc91ec27154b6
  8. 0xec7723afdff0e0c3e3a618c149eea9767c1e266ee61974bc2207902a840fc651
  9. 0xb3b688d41eeae98ee67ea8f6036a40b97fc52b8d4687fb60af33f8756cda213e
  10. 0x5238edd5a08c1bc5752dd77f302201ff0f7fd6f911b0ef09cb516987c50e039d
  11. 0xe1be3723ae03f14adc32be66c1139f2014c1e389d68e115176081519013f095c
  12. 0xa0f4139b967c47b6212098ab1ef1fb116b8696e0af5b5baf4ab69823599f2c21
  13. 0x26b79609af64282a7d0ea0b1ec7f8168c3787a6394324bea32524b967fbff0d3
  14. 0x18ba0ecf9d097a18d969f015a4d29da864bf68db732c6ad7fa00156b764bd084
  15. 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
  16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
  17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON