addrbookFor publishers
← The evidence ledger

Evidence row 3444901

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:350036
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1ddc96b92fe5fa72040aab5df120db5cf082331d3c393e669ae35b72838dd6ea
Leaf
0xd72c2adfae701662fe31f2e66ea2ba80b975315bf4dfc05a7404cddbfeb654ee

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/a16UVX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4624e45e-3eb6-422e-a2c2-4323089e7580/.well-known/agent-card.json"
    ]
  ],
  "name": "Toka",
  "owner_address": "0xdc505662ec43e0690edffe93a7ab844603997aa4",
  "raw": {
    "agent_id": "350036",
    "agent_uri": "https://centralcity.ai/a/a16UVX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Toka 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/a16UVX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Toka",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4624e45e-3eb6-422e-a2c2-4323089e7580/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/a16UVX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T19:16:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Toka 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/a16UVX"
}

What the leaf hashes

{"body":"1ddc96b92fe5fa72040aab5df120db5cf082331d3c393e669ae35b72838dd6ea","id":3444901,"kind":"listing","method":"sync.erc8004/1","observed_us":1793906179059264,"prev":null,"subject":"erc8004:5042:350036","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. 0xd72c1bf5bce95bac23b5d4460dc35a6fa39cd7ef2126ce070994c2452e140d8c
  2. 0xfa665c1656c5265b8ebe2ccbb8dd60a34f5482d11cb949691d2eed71804c6ff5
  3. 0xbadec1836e912a8542920ea3ace20ebeaceba811d00e74954ee9eb28ebf0fd12
  4. 0xe124f3ff7350b6c4b8ffb364df1e049235081f3d5183d00c41a5947c424dc9ee
  5. 0xa9f64cc39cefb68f0365d47f2efcdd8ed69a2cf9d5e490b1a1af2329aab6aeec
  6. 0x78a8c226cc0b26ba6be2c557a177b61bc8535415f5b1a471e8746d71d77bed99
  7. 0xaa7bec7b040f513211af25897ce8e11579e59af06dd2e02f63f6f0a9ac9f05bb
  8. 0xccaeb064e9fb3558c82a44fe39b62153a75fc20e2596f92d1a7111578b07e140
  9. 0x9e6163d7d2e1e591f27bf4388375a51c0a6d850a1e73ab790163540d3f5ce954
  10. 0x500b35ca3f55c6cc110c54edf9ef34ea26e712bf1a17712bdb47603b588ff4c0
  11. 0xaec0b85cf06488ea98cfddaa14e8040b9c0671feaf94ff321b2b37c7d635c7d8
  12. 0xaacdb29dbc97d3609cbc949a7c51bfaef9db414d534dc7d0c0b6d2de59ccce2e
  13. 0x4be8cf78a0773f46143e30b9c067344ff6df06b14fc81ca966dc2002454f9ffd
  14. 0x18ba0ecf9d097a18d969f015a4d29da864bf68db732c6ad7fa00156b764bd084
  15. 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
  16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
  17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON