addrbookFor publishers
← The evidence ledger

Evidence row 2177299

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:114564
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
190051bd98356c12f2a2184fb8408e5523460f63ab8b53744fa31e1548be2500
Leaf
0xedc68e6e6a89bade51300a7edcadc8d44b487f1a0a147de046976127c24c05a2

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/H88G0b"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3e4a6f2f-9fa3-4f2c-bcd8-60813f9c2571/.well-known/agent-card.json"
    ]
  ],
  "name": "Rosus",
  "owner_address": "0x8df370d5d5041dc78d4b7eed2916ab29bffcbbf2",
  "raw": {
    "agent_id": "114564",
    "agent_uri": "https://centralcity.ai/a/H88G0b",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Rosus 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/H88G0b",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Rosus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3e4a6f2f-9fa3-4f2c-bcd8-60813f9c2571/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/H88G0b",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:59:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Rosus 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/H88G0b"
}

What the leaf hashes

{"body":"190051bd98356c12f2a2184fb8408e5523460f63ab8b53744fa31e1548be2500","id":2177299,"kind":"listing","method":"sync.erc8004/1","observed_us":1793638799911408,"prev":null,"subject":"erc8004:5042:114564","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xedc6a718efbf870201129965580671bc9e7dd493b8ef4f5eb1f3e09fe8e0d748
  2. 0x4c3fb1ecd1346925bed966461e222244c718877a79f4e753cc0611f901dc64e9
  3. 0x7a00a62d0ca84215f23e842193b9dad64d6a4f822742148eece4d8b7a7af2d1a
  4. 0xe565f9a55f4bd6d467a634d7edd4f55de46fe6d3da53b907b78fc75aa8ccbdb4
  5. 0x907da959ffda490578f54ee3332a42fd3741b94e20b04bd408fbae0657600715
  6. 0xaba8f0b265d96b6f89a9db4d38ee85e2ef99df32696d55af92cbd501a672e4e7
  7. 0x44a97764b1c2c256d502ffdf56083fe01d4c33e92e682ebe19ca18e4ca65c526
  8. 0x6da853bbad82495b343490deb45ed20c62c654804272714f3deadc8256e0f834
  9. 0xbd5637e9d40de11ff955a9f7899bf1ec4ed006f0773fbe1b2bc2745bc018b3cc
  10. 0x9053d5bac47b2eb871c817939144ee7e0ae39338220b3927cee209062946bedc
  11. 0x3e8e0a80d0d1e6892613c589815216d3f150228df9977c0e1624cab3ea6ebfdc
  12. 0x81186f1d3fe58c5a37fc5a986c2e4440f453481f9e7d23a13c45f48adcec0bb2
  13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
  14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
  15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON