addrbookFor publishers
← The evidence ledger

Evidence row 3780061

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:404605
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ef53bc1e8e37e149693c0763994a19588cba53f5537ed534ed1c5ecd25981081
Leaf
0x4c2143d23ecaf05591f055f8ef8ece743679710731fda09f9cb9ca4c61a1affe

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/K4DjNs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d4822fb9-0e0b-47bd-bea2-cc316d908c87/.well-known/agent-card.json"
    ]
  ],
  "name": "Brikeon",
  "owner_address": "0xe42f7f565d67d25b8009b59c2515da7ef2aa3541",
  "raw": {
    "agent_id": "404605",
    "agent_uri": "https://centralcity.ai/a/K4DjNs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brikeon 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/K4DjNs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brikeon",
      "registrations": [
        {
          "agentId": 404605,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d4822fb9-0e0b-47bd-bea2-cc316d908c87/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/K4DjNs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1794007575,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T23:29:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brikeon 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/K4DjNs"
}

What the leaf hashes

{"body":"ef53bc1e8e37e149693c0763994a19588cba53f5537ed534ed1c5ecd25981081","id":3780061,"kind":"listing","method":"sync.erc8004/1","observed_us":1794007740813831,"prev":null,"subject":"erc8004:5042:404605","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0x4c21028b96e6444efd975b037d59175912a6d90c0a5717885ee478f0be84e6aa
  2. 0x8933f13ef790a98d26754c697423961a1a7bfafb4bbba499933d71ba78d73e58
  3. 0xddaa1fb5cd289e753ddc8a0724ca4ff02edd688c5044a3351bf83553da93cbf0
  4. 0x2937509fab57c505c80656e81ddfa35f5487813704838aef52a53778aee26fef
  5. 0x425c66303e071d08c5c7e98955ec8398e0b905936f1ce37bb2700a3391462443
  6. 0x8b72a170c91f32f663c4022f3bc5cd7b5d6d4ac6e55e1552224ebc6fd11ced11
  7. 0x5907dd3526b4dc99613a808a7f55360c0defe6a21770b0f7e0abad05cbf056c4
  8. 0x50222804913709224c3fbdde93e94da8fa2521963fc3eb3c088502b50e3028f3
  9. 0x7249a24849e7d74b61a8dc0aed8299017d85ecc92da6428a932bd857b29dc2fc
  10. 0x7fd9d73b755e044cf8c10c627bcf2bcd3aef6650abf6dd6d1e63e762613f6df3
  11. 0x703dcde8dd150c1e08d840a86e5d3cdb051c83b931e1bf5c652584ede7533f77
  12. 0x454fcb8411e0c9b8133996c3658dab9c97afb409cad2aa7ce568976a5e050433
  13. 0x6d95645ac912729816a24961219b8cb36c0588e5ba4b3a6982813423dd3cbf1a
  14. 0xaf9524acc11af4619d183021d0dd97b098258f9af2441d3d61343f3bbe112bb9
  15. 0xa18562956ef32715be3beef73e0db96be2b79caa00a0157b81ff91d577507391
  16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
  17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
  18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
  19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON