addrbookFor publishers
← The evidence ledger

Evidence row 3474676

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:359749
Recorded
Previous row
#3474133
Body SHA-256
7feae782e83ef5ee288f70e1e44b0c678cdd390d1dea83fc6833695a281de964
Leaf
0xbf80593eb746e0ffcb495e583ebac817a96f69b21667a4d4c8d2ee627331707d

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wYX80D"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8f83b7a0-6c5e-43bd-a05d-3557c72ef903/.well-known/agent-card.json"
    ]
  ],
  "name": "Kumon",
  "owner_address": "0x9f88c4f3bac72fc8e2c1c4e6fae3bd7349292e97",
  "raw": {
    "agent_id": "359749",
    "agent_uri": "https://centralcity.ai/a/wYX80D",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kumon 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/wYX80D",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kumon",
      "registrations": [
        {
          "agentId": 359749,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8f83b7a0-6c5e-43bd-a05d-3557c72ef903/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wYX80D",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793921510,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T23:34:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kumon 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/wYX80D"
}

What the leaf hashes

{"body":"7feae782e83ef5ee288f70e1e44b0c678cdd390d1dea83fc6833695a281de964","id":3474676,"kind":"listing","method":"sync.erc8004/1","observed_us":1793921687837889,"prev":3474133,"subject":"erc8004:5042:359749","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. 0xbf80c61fec803e04b904c43e3104b2dbfd2cd3ba514600494644fe5c74d31bb8
  2. 0x2a0dc3554cbf79ea9d54b919bdfce0ff39229b507574b897e77df81ee7786735
  3. 0xe5f5d81dbcdb3d09723f6f660736910b56942ce49a0c085f393c30132b7ce68b
  4. 0x69faa1ba10c4974d0029ee093516388ef34b74cbcf10048ef7bcfb57dc1f2b9c
  5. 0x67b6361b9e9b355c56f8c4a00352da373b86c94867045d32030415e029edda20
  6. 0x794c748c29c71ab0e48f67d2110c22348065fe775311be75273403a180fe2172
  7. 0x35c9a4e10872c90c778fdb2281611ca5b15c3ce88e66d301855bedaa38fcc8e8
  8. 0xd90e4ef61e337e9c2ba9bc9f3470ba2794b92413747cb16581802403248b4f05
  9. 0x3a59dfb54238dfd41622d2afc815510d263ac3ecbd07ab63f962a6a34341958e
  10. 0xc1e650082178556ffb7e4742e038167dd836b5375ef07fd239fa04e1e912d896
  11. 0xcf489f759a1f6485036e7a6205ee775ef02b91f8fb05b53611ce5428c2836bf7
  12. 0x68fa8a360833acd31855f6f46f3c4f0e5a9c24a0b942bd75369b4b5ca085fe02
  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