addrbookFor publishers
← The evidence ledger

Evidence row 2048619

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:57209
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f12b9c293688126b4623e28c089c5b2c7b172954b05fabd58fb9cb6ae59b8f02
Leaf
0xd1c76a9726222ff570d67ea8539498178ec7f9564c6623603c4c7027599521ff

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sq45HT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d1dd0c13-207d-47e9-8675-3060ccbcb4e0/.well-known/agent-card.json"
    ]
  ],
  "name": "Biomis",
  "owner_address": "0x123a86c2d91cb0ab164c709fc499c65f8b768602",
  "raw": {
    "agent_id": "57209",
    "agent_uri": "https://centralcity.ai/a/sq45HT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biomis 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/sq45HT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biomis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d1dd0c13-207d-47e9-8675-3060ccbcb4e0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sq45HT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:41:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biomis 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/sq45HT"
}

What the leaf hashes

{"body":"f12b9c293688126b4623e28c089c5b2c7b172954b05fabd58fb9cb6ae59b8f02","id":2048619,"kind":"listing","method":"sync.erc8004/1","observed_us":1793590897737515,"prev":null,"subject":"erc8004:5042:57209","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. 0xd1c74bb5ca3af95965aa3ae766b97acb594175d10f0558b90cf38a218f0de81d
  2. 0xcb0f2e22424ba4ddd85ae31dd6dcbc4c29aa0cac103523ff105562194703a0fc
  3. 0x32a02024d167ec8d866b28061276ff32779202c63b2c67e17474c56d9a6655f6
  4. 0x2ca2085fc03c5f19fabc81899890c4e42315ed50a5fdbc6ed098e842e7dfc66b
  5. 0x1cfbd8885852d527acf431ff8dd566cb4725d03f374119385796e0b0ca32c677
  6. 0x0aa8102d6e83d74e05087f6be34eac11c39512c0c48b8df25aee79aa50326993
  7. 0x9a84a15d4eda457ab3d0276c165217371fba6f2b19056d379b83e47a34cbfe5a
  8. 0xd3d29b45afc16e6d36efd3745ccb8bc6a29f8e5f4a16e0f4f1e1c620f54d95d2
  9. 0xc6c983012c90cb6f750b75398c630a986fa66a25423d5ba18dfd4bfc7617815e
  10. 0x1e084b9312051b00506b5577e5ae07d334606e801e122b63f914aebbf05f1cab
  11. 0x927c05a5d8546f863bef20833d98f1e1c35c8e5ccf50b0ad910c73799ef2e337
  12. 0x8f7ec337f2782ee71c5fcf875ded67ab29b3a792b4ec497a9bd69388793bc4bb
  13. 0x0ee251e21135d18ee3004d16c3618e1f970e8952654b422f2554f8aa0ae09b4f
  14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
  15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
  16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON