addrbookFor publishers
← The evidence ledger

Evidence row 2150245

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:101041
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d7783509008ad34544b440ba036055ffa213341d612e0bbd0055c4100f9c2deb
Leaf
0xcb16b8014737627591ae7facc40eef2bb5ac10b640695452e4e0fa728a80daff

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YkhKax"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6fdc68d1-3846-46b4-b3ea-435c05a84543/.well-known/agent-card.json"
    ]
  ],
  "name": "Brumel",
  "owner_address": "0xf802da4a55381a1dd563b0382d1942f555262a6f",
  "raw": {
    "agent_id": "101041",
    "agent_uri": "https://centralcity.ai/a/YkhKax",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brumel 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/YkhKax",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brumel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6fdc68d1-3846-46b4-b3ea-435c05a84543/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YkhKax",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:57:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brumel 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/YkhKax"
}

What the leaf hashes

{"body":"d7783509008ad34544b440ba036055ffa213341d612e0bbd0055c4100f9c2deb","id":2150245,"kind":"listing","method":"sync.erc8004/1","observed_us":1793627840852719,"prev":null,"subject":"erc8004:5042:101041","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. 0xcb1698fdb6e52b3f8cf43b25611683f1ab50a95d07fa11fe9b6f40430a647811
  2. 0xf9469b47329f07db5b7a178ee2ffc37e8ffb2055227e0a245ad6ccc27418cc42
  3. 0xba1f418aadd37feaab944cac1632cd73ccd3e300ade8e5bf8caf3fa7d954f4ce
  4. 0xee8b69acb69bf157d502620858f6bc7a9fe44c90ce9c6dc742e005be6e7bbfd8
  5. 0xcb99e9312713c045d86263b9a5a0e9293781464a688f7d965af933a072e1dfbb
  6. 0x033e518dbe27a59b24ae76f37ab44d962bf8f0b0626425540747995d01cdffd5
  7. 0x2b8c891bde82921b75f7a3cdaf2ffe70f895a2e2efcdf0daa4b0368164384c57
  8. 0xb0fa39b3d5b5a5914a6e436077f84c80c8e1c58903f8f3fe335707765ff007d9
  9. 0xfcc8d0079f5a1b41e7eb2692a643e3e62c01bb9a8628054559716945acca0c97
  10. 0x99235fdf69e6e5018f489fcb2182193b45f5ae1f45047c9ac162dbff39dcf608
  11. 0x80aa9ea26f474485508318fda04c4f085ad194a550f7fbd4ea5ed19f5938c506
  12. 0x7f7e67ddaa239b7f47a381ca645be7874e814b886fdf50b97ae25602f2ebb785
  13. 0x959c0d70f3f85beefd7b1347751e6e712eeaefce78a57d80eda6882038b85a52
  14. 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
  15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
  16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON