addrbookFor publishers
← The evidence ledger

Evidence row 2132669

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:93514
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
cf7840f760ce847a1ef1fc4df82eab8a945878501a95369bd82dfc63f6ab268e
Leaf
0x7511ef1a036ac9ca41b11de9f73fa4db66e891c7404e6db7e8bf44d17b87c41a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hEujQl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/18569ed1-f825-47d1-b55b-dfbe1d6a5473/.well-known/agent-card.json"
    ]
  ],
  "name": "Hovon",
  "owner_address": "0x14df1cf56641342b0c42c2790cf4bb4bb5735d4e",
  "raw": {
    "agent_id": "93514",
    "agent_uri": "https://centralcity.ai/a/hEujQl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hovon 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/hEujQl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hovon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/18569ed1-f825-47d1-b55b-dfbe1d6a5473/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hEujQl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T12:27:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hovon 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/hEujQl"
}

What the leaf hashes

{"body":"cf7840f760ce847a1ef1fc4df82eab8a945878501a95369bd82dfc63f6ab268e","id":2132669,"kind":"listing","method":"sync.erc8004/1","observed_us":1793622425296614,"prev":null,"subject":"erc8004:5042:93514","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. 0x7511efe1953b981ad93b0997d67313aaf04f95201d4bebcdfcaecc545596dde2
  2. 0x0ccee01860c9845bc0e3ca3a00ff807b50f18edff25e09c49f382bc951aea4d1
  3. 0x7719c2da5e4f9eb90942c80d3dae91f90d56fe70b3b12fee613afff371246af9
  4. 0xbdfcd5d0d85a907a89732de7f7c846a781aaed594b0f2cf9fbee8746ea4e3003
  5. 0x19b636f2ea72c07a001c4d59f21edc710176d62ac5a2fd1ddfdea127472071d6
  6. 0x8d40620bfcf75780362fb7e00e3ed5b51d0639ec26da1cc63ec2c9fb6ce83991
  7. 0xab0ecace54662bd6c75556b6f9cd276a9603edebec6a9d53f13999d436c79b3a
  8. 0xf071307c444592b5b47cbab355f42e77f8885d5d81a89822bc6494791f0b0d09
  9. 0xd947977a807ccdbd779c39c6c6c0463ed34272286bc87fdc258f93d9c23c3cfc
  10. 0xd42367b4e5dd5e8d6fd79dca11046df09e3369f2a49b65e4f49465fd06c06252
  11. 0xda782eeeb678f63a4c934e31d82d424dbebef0507a93a24bcfc6898b58c83779
  12. 0x5feec977b64b001b93395460c9aa81fb2cde50b38c4635f5557793eb53a80b31
  13. 0xc661008e4484d030079bed4f257f712dbf632593873d45182aa879bd19ae8590
  14. 0x05ad6b5d39c05b20c421cfd08a369494609a679562a35de106ddfc5164e8f853
  15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
  16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
  17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON