addrbookFor publishers
← The evidence ledger

Evidence row 3346767

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:316884
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d64ebd75dccec50e41ad211fbc0b307b33ac0c231ea309d76c7719c575d47ee4
Leaf
0xbd4f1bd1d944ade3f317083d5e262e63db0fec06c81d32d2b3f3cba40584ba1c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6xZW7i"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2f7872e2-d3c5-4a81-9a9c-93097f7b99ef/.well-known/agent-card.json"
    ]
  ],
  "name": "Brionsik",
  "owner_address": "0x88135ad143051378a3077615fb3c3079e7cd8671",
  "raw": {
    "agent_id": "316884",
    "agent_uri": "https://centralcity.ai/a/6xZW7i",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brionsik 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/6xZW7i",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brionsik",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2f7872e2-d3c5-4a81-9a9c-93097f7b99ef/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6xZW7i",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T01:19:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brionsik 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/6xZW7i"
}

What the leaf hashes

{"body":"d64ebd75dccec50e41ad211fbc0b307b33ac0c231ea309d76c7719c575d47ee4","id":3346767,"kind":"listing","method":"sync.erc8004/1","observed_us":1793841583964837,"prev":null,"subject":"erc8004:5042:316884","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. 0xbd4edd7d84cae1b8acf32e2a8a7580ad4a10c82fa4838eee87e889a471ccd3b8
  2. 0x25356a82452a94e8c6daa7eaa1857384a04dfd3e10301b95e5f56279ada707bf
  3. 0x62fd64d9369f588eb38772e04a008def4b5db97dd42bb106dad77adc7b327f7c
  4. 0xfa244be2daa202a5d7819c1b0eba564907a4419de26fcb28147d44ecd53250a7
  5. 0x76e236518553ffacd3289397b4fe2ce296b7791cc4372ba884dd7b3d48cdd801
  6. 0x87c500d2534eee22de9389294565cfa59187a89d669a14d549114347ae066913
  7. 0x7bfb7a0f8ccb1315bf7494ed24de197f78714addb293f7f234c3cd44067386e3
  8. 0x597f1cdca4c1cd1b29d2503dc60b3388e9e529ef75d8b7fb9dd2b28e7753dab8
  9. 0xe3b61b64463a1204aaca47955c4b0314229ba2361470977c995348b923e23da8
  10. 0x5bda2a9f826f2ab9705cd447229d20d3f69bcf83a2795073489bd0ae57069dd5
  11. 0x76c38afa2ba8b6671f489f2505e166b5292c31a3dc0432fc9a0953e8f6dd3508
  12. 0x2b7a7c95de5a1d5957570464c2bc9554af3ac52b6250d483e5b60677e39aab32
  13. 0x0094125755cf4d53859179bd3542321fe895e3ac40c3c2ffe5b2c3139ea38467
  14. 0x876741791494e92b6f75db13043598085795215fa5ba6b39a6d004eb9c7632fa
  15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
  16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
  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