addrbookFor publishers
← The evidence ledger

Evidence row 2165927

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:108400
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
bdb057ae4f72e67b9e2b280c67f9af63b636246369ca9f6052d97839fac18af8
Leaf
0x515c03a657c6466844baab90b4b01efd20a99ed02a5b9bb9d156eb6dac0eee74

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FD8lzl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/519f015e-418e-455f-aa56-e6146d3f800b/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosik",
  "owner_address": "0x992414fae9f3cb4e66f2c7f12b042a679e11c8ce",
  "raw": {
    "agent_id": "108400",
    "agent_uri": "https://centralcity.ai/a/FD8lzl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosik 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/FD8lzl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosik",
      "registrations": [
        {
          "agentId": 108400,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/519f015e-418e-455f-aa56-e6146d3f800b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FD8lzl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793634151,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:42:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosik 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/FD8lzl"
}

What the leaf hashes

{"body":"bdb057ae4f72e67b9e2b280c67f9af63b636246369ca9f6052d97839fac18af8","id":2165927,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634171940533,"prev":null,"subject":"erc8004:5042:108400","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x515bd26045dc7951fa730ffc6160feecf3f59dd30532aa010856fa4836e6140c
  2. 0x709e6be8ed3e7881ccd6a12945ac8c4174c2073a2126d9b2500d1c285b3300b5
  3. 0x04b941482f3a464678f54b3ad3e3674f33594ee7131d000dfa8e292d457c577a
  4. 0x428a7e5f637e05a140c4e4d478bab9c855f7a62a06df283763c6417e489a6a43
  5. 0xa2b2fd4e34b726e39fb1604fd0f39f2a91dded2aeee4d32ebcb1132d475842f4
  6. 0xc8d1e924d29c216816bef539adab8359fc20359bbfbcdc1faf7c687cd790af9e
  7. 0x893f01df017610d23da6f124b2da6c858ec46096b020663a2c37add3053c6bdc
  8. 0x92b9d256bf1e32a073d5f9f481eec14595faca6c8343a2a8b1873db5ccc4e37a
  9. 0x60d624f69a0c32ba8f25927d27bd791c31d7734fa7edf5584b886a52a9043f23
  10. 0xe67762f68fcb766e77e1cad54e0a9398f0a86d384d11a3942fed128843d8ba26
  11. 0x5c97cabc1a04ee681ed6da01745fba68472c3cef06a846eb813000da70207feb
  12. 0x58679515da2a1de90c5053570a68d4480d9b62fa1a68c4b30314b90cdc6403fa
  13. 0x2f0e87a22fc6aaaa04d17a8f1c5dda340b8d3c208a1b8e26986aed7f54ec42a7
  14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
  15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON