addrbookFor publishers
← The evidence ledger

Evidence row 3397891

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:331068
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
10237ebd2ac3ae12c6c8985aadd72d2cf1d02b5c287b743f6d72a17036dc7d0d
Leaf
0x0114428d2f4e3e2f9c8f8dee465eca3d83613dc01c8be8ef697dcae09d964298

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/iOnuD2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cb9bdb5e-9f54-47ef-8acf-2373afaa9dc7/.well-known/agent-card.json"
    ]
  ],
  "name": "Handik",
  "owner_address": "0xc98ca9d2313eec59e545908781e6160234d2e642",
  "raw": {
    "agent_id": "331068",
    "agent_uri": "https://centralcity.ai/a/iOnuD2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Handik 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/iOnuD2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Handik",
      "registrations": [
        {
          "agentId": 331068,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cb9bdb5e-9f54-47ef-8acf-2373afaa9dc7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/iOnuD2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793881355,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:28:45Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Handik 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/iOnuD2"
}

What the leaf hashes

{"body":"10237ebd2ac3ae12c6c8985aadd72d2cf1d02b5c287b743f6d72a17036dc7d0d","id":3397891,"kind":"listing","method":"sync.erc8004/1","observed_us":1793881725114834,"prev":null,"subject":"erc8004:5042:331068","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. 0x01144d7ffd3515aaf5d8ceb99152b66c0bea2226d8b6fe6795f130b2af891c42
  2. 0xc226c8924f58b622b37f127c62bfc7fd3d4277683654311f4a05d2d38061acde
  3. 0x861439ea6e2fc207811915998e384430dc524efbe6ed11942eb9ea0dfc40e975
  4. 0x84abf87219b949add4ddcd1d3e2cd101787faa642f1cd2b04106622cbee48b1e
  5. 0xccf1d266dc009f1a6aa6b9730eef441170e32d8b9ce76428dacf46e559d77fe4
  6. 0x289076114b3def2011193eb32d2ada4b1cd35ac63d20be5f15e7fef4fe3d593b
  7. 0xb8f27540defb42e41b8d30b9bdd76f22ae09c0d8cb805e3d4b3a6a4c3b376609
  8. 0xd3d7f64d6d2cbab3af50954961be767db9e6574d61c0c1f3db0e27cd127b8f75
  9. 0x272765344ea75c0257f6207c36f4e549957a0b3dc04d6d979d86847c50afb2e1
  10. 0x9a1523695fcab59d4c96f67fc704eb53c860fff78f255cf9512ffa74d30ba5a4
  11. 0xef974cbb6f59ddb4b1acf2ff1dff8e812bb6a861d326dfab4fd406b9417e94a9
  12. 0x147378359fd221c7b8e0b928a73cb310f6ec12f13c3709a1d86825a44402f025
  13. 0xdb24986079e436c70388a0f26c8b78d5d2b9aa28faa702739aaf6eec9404795b
  14. 0x5d36fc496d037ec98e2304f5b8c2425f6da27f5b7be3b3d0ce0dd8c43098ad41
  15. 0x1ab38dbbab3f77cce8d03cd3f8736ca62b04c689538a6118189885b5d1be29e3
  16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
  17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON