addrbookFor publishers
← The evidence ledger

Evidence row 2195880

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:123966
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ab30b9a220ff4c43c7089dfae1bfb32faa0ef4e02a7c2040532e4b06251b98f2
Leaf
0xf6e1a1bb9e97609e1db7b89e93f739e260fd87929777bdb51e7689f51ff6b298

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ROQkHb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5966a9cd-5498-4ff2-9327-d4db75ff9da1/.well-known/agent-card.json"
    ]
  ],
  "name": "Grasudani",
  "owner_address": "0x113bd6a041e51bb4bd5be85499b2e5ed99c8b576",
  "raw": {
    "agent_id": "123966",
    "agent_uri": "https://centralcity.ai/a/ROQkHb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grasudani 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/ROQkHb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grasudani",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5966a9cd-5498-4ff2-9327-d4db75ff9da1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ROQkHb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:55:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grasudani 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/ROQkHb"
}

What the leaf hashes

{"body":"ab30b9a220ff4c43c7089dfae1bfb32faa0ef4e02a7c2040532e4b06251b98f2","id":2195880,"kind":"listing","method":"sync.erc8004/1","observed_us":1793645713803729,"prev":null,"subject":"erc8004:5042:123966","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. 0xf6e1d65e9d93e6219f5b269873b896beb4c230f985f141aa5c529ab74faed587
  2. 0xe657381ea343a951e0d3730480f3792c9375427dcc9c3358a0ce8b0f8151613c
  3. 0x5366f0e26bcdc11c7378ce334ce8d47bd1f3544e8d4d8956ef4fcabe05b1cee5
  4. 0xac0101236a657c563aa39d642d4bee57a576f1a5bb769d9387f78f23b3136006
  5. 0x8bdbd33887f349eaeaa8b9cf62f1c398fd3122de5eb8f3885fe24de5f8c20152
  6. 0x8f3f9f8246a5bac646bb901f2403cc57d80a541f49b9a8af9cc909daf04ab198
  7. 0x373cc285cdc5691f14bb8828e6d0bd44ea0f978b8d2bfb42fc73c0add28d0c7c
  8. 0xd5a240df7a02fb18dc310f9a2baeb9e82ebc6f40b2563fccc65d621f26f10f63
  9. 0x41f8189cd030103dfedc8e3ad1fbc63a98e316a6b4093b45080f59798d9653e0
  10. 0xa2eafd5b4819d0b957b3cc5a22f6a9e706ea45414210299c0a017c165ccedd08
  11. 0xe03551390664c866a473b64b9eae116c9a78f6f78142b79842ced3f53920dfd8
  12. 0x93c9b5204cb75374db0fc8940c7bb2dfc4f17b307130f5a55adb819570fd792c
  13. 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
  14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
  15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
  16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON