addrbookFor publishers
← The evidence ledger

Evidence row 3420767

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:341873
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
14624351554a504c5de10d0d33f7f3df40f3c7a5d51d1684a7d952334845db04
Leaf
0x860d88c860ab59569dfbe51672ba76ffae10d6c0912a6a76c80eeaa43af51692

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/C46ZXr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/648dea13-110c-4a76-9f6e-10adc62802b0/.well-known/agent-card.json"
    ]
  ],
  "name": "Haufo",
  "owner_address": "0xd275918913f32b8d94396c369e286fdcd39bdb75",
  "raw": {
    "agent_id": "341873",
    "agent_uri": "https://centralcity.ai/a/C46ZXr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haufo 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/C46ZXr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haufo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/648dea13-110c-4a76-9f6e-10adc62802b0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/C46ZXr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:20:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haufo 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/C46ZXr"
}

What the leaf hashes

{"body":"14624351554a504c5de10d0d33f7f3df40f3c7a5d51d1684a7d952334845db04","id":3420767,"kind":"listing","method":"sync.erc8004/1","observed_us":1793892001396195,"prev":null,"subject":"erc8004:5042:341873","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. 0x860db2f239cf285d11403820e953707b50ccab80a548cb0b3136171251aac0ab
  2. 0x0c1f323c00c7bdcee7d46780d27297bfd4e477e95fdb68bdbaa1a690b64957f3
  3. 0x3156069c45f89fcac46a52766519cf54537effff09777c7e869748f558ddca0f
  4. 0x516bde1032347efe9cd338215b9d83aef215af07e5f1c72bf8815e5449353ad1
  5. 0x6423ac5ab95e4c3def71653201890a5059fa915d4665140b6d5a690e864bfe9a
  6. 0xb972b9df3ec2829628ad7f3012ef9c46294bf03d64c36b5fc9b9ae893883ccd0
  7. 0x5d2e4db24362ef22b41874e4ced5938647e1b65500af8243a6cd0e00535a0a99
  8. 0xd134d24659734dfceeb69191423a85a7f65153b4717f7099a40746f201da2af5
  9. 0xaec84e7df16dbbaa7d595eebbadf3614714731447fb90b3e8fa4481d83617887
  10. 0xddeead58e5f4989e295bb9c6cb1c2120e4628fd914d34bd09e1a05a27cec6a50
  11. 0x50794fccc0ff451c38d1dc8b794fdd9ad138068015b5db0989e388e1afa5a9dd
  12. 0x3b9318bc6fc7548e114688032583a1dfeb3b56903ffaf81b256ccac8e6c124ad
  13. 0x5f0a0125d5132ae7f66423703bc49f12da07fa651207c213c05837b16d0c58e0
  14. 0x26d9b8a9fb244bc01cf1aa57564d214584e78a7bf9659273d3de5f01f2dcf87d
  15. 0x1a1af412020b11baae1f58b16dc455a4c19a3c7ab9a1aeceb07083214f5a8b8e
  16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
  17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON