addrbookFor publishers
← The evidence ledger

Evidence row 3430542

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:345786
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
241a81b8913360be6d693db3ec0fbf8ff91baa28e3fd5ecec9ed417e882d40d7
Leaf
0xa4812e643736b92aa624a90c31b9a96b2345b48017eee3d675e0e707f13955ac

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Iba5Oy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b380d7a6-9819-45fd-8179-fb795953e5be/.well-known/agent-card.json"
    ]
  ],
  "name": "Gransias",
  "owner_address": "0x34cfa2b9f4fa0f8e44001b8cd1af25e16689ffd0",
  "raw": {
    "agent_id": "345786",
    "agent_uri": "https://centralcity.ai/a/Iba5Oy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gransias 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/Iba5Oy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gransias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b380d7a6-9819-45fd-8179-fb795953e5be/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Iba5Oy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T17:10:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gransias 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/Iba5Oy"
}

What the leaf hashes

{"body":"241a81b8913360be6d693db3ec0fbf8ff91baa28e3fd5ecec9ed417e882d40d7","id":3430542,"kind":"listing","method":"sync.erc8004/1","observed_us":1793898609060051,"prev":null,"subject":"erc8004:5042:345786","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. 0xa4811f508f2137be809796a96b531947550d21b258108eb41faa247ed7c0a7dc
  2. 0x36776cd0d1d2aceb52e994b7cff6591353ac063d00fd8455edcff531784b1d30
  3. 0x21870262830991795ccf6172da94b5610744d4356b20f0bf8d1ab1abce690515
  4. 0x06d4ef5a65e7db36e42ecf7d76738d5cdcf3b0c74002b5d558f7b50e477e1f27
  5. 0xce56edbbf652e2954d9ab9200a30c8a45b50acefdec25d1676296859d0962213
  6. 0xc6e429c2201d3ce602f3769ec14ae9deb59eedf08640aa7ced874fa282290729
  7. 0x2fbc68fa24d2b86a2f75d734414342b3e124ff8e2c61ee858c1ea3757b72b66d
  8. 0x419db5d8508ca9a0b8f04d1641aef734d7b65594762e9856a46cce9b3523d9c9
  9. 0x996757468e95100ef9693d51425c94d4c0aa6f9358ce660981992812bae36e4e
  10. 0xa4ac8c5da58171cc4855b57e36b39563b56f65768bbc2a2ec40413cd6d5c8e80
  11. 0xb984002d12da11ab616568100e71213109b0c8413621026472427aada9ce480e
  12. 0x7458d38d870990461b64456059c25e196ebcc77559533c02c233b3a54534ff8d
  13. 0xdbf8fca80489501181aa462ff1fa870f39a2358e02f1bbd95eb23d397faad069
  14. 0x9b9fcbddc5e61cd56d284bbf85f74d7b6024baa4338a1e4f6406e8c01db66d25
  15. 0x1c65721edf79939e1513441d5a9e3be301d6801a492ba436ec3148b4e982f044
  16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
  17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON