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Evidence row 2493308

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:146271
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f9f049e39cf81fccbfdb90bc1f753e015a54fcf3ef362f700b6a62f5c2b36a0b
Leaf
0xeb4b4d6e5cd5d812144b3e0f7c20374d86d942c31742d5d0c3f1de00b6c6b4d0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/r4KGLL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/71a658ca-b94e-47ce-bd1c-3bd9403f6e58/.well-known/agent-card.json"
    ]
  ],
  "name": "Fribus",
  "owner_address": "0xdeb232f67bbefc8f072d560893b0df4ffbee9a1d",
  "raw": {
    "agent_id": "146271",
    "agent_uri": "https://centralcity.ai/a/r4KGLL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fribus 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/r4KGLL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fribus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/71a658ca-b94e-47ce-bd1c-3bd9403f6e58/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/r4KGLL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:54:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fribus 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/r4KGLL"
}

What the leaf hashes

{"body":"f9f049e39cf81fccbfdb90bc1f753e015a54fcf3ef362f700b6a62f5c2b36a0b","id":2493308,"kind":"listing","method":"sync.erc8004/1","observed_us":1793667249833591,"prev":null,"subject":"erc8004:5042:146271","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xeb4b52bd7682fb4d9440b90d5e64da33247b8eb50caaf8ebe6d0250e491fd857
  2. 0x87e858c492e4ebaf58d1250edf5d1bc7267ab3e63c199a47ea684390aba85ec1
  3. 0x1ef4467242c8ba1be2d54b3a1639d8faea4b5b58966997685c5d0d24cc154e7e
  4. 0xfb038c4215208af872a40e0bc27cc8a2eb9021a98fbe6782a703a7c2f7b5e8f1
  5. 0x4a817495d05a1d98be96811a0df7b8e08de6375aa3ba938c6c2667dc7f9b4b50
  6. 0x469ccd58f2682c1d306aef035e68205c573741b472ef1aa70830efa7f811ad80
  7. 0xf0993a50d34c823011f09fc20c74953cddd99c6f7cccc8a7631652e93b1626c0
  8. 0x17964b7a77771cd27dbd29899e749aaa61f7ac8eafe8d07747c9a2b1fd87680e
  9. 0x188a05016a5acd4a8c026a93d291490146c0f5d72af35fa80fe55b5a76fd3aa3
  10. 0xdcfd168b759c220dd53cc4c590a637a74a0aa42cbad8217b13db58d52b016593
  11. 0x1d4d07a77e4281076fbbc48c458b8e7f12ebbc3272618d1941417e9280447792
  12. 0xe64093a7adbdeb4fe57a961a06823f4a262142347ef934da5b7d7286520ab59b
  13. 0x57b25ea6cb764c62af44fb8bcb6cfbbf38d741be80780cc55d536d03fc0602ac
  14. 0x3772686f2a1eb334138050fbc502de05a788284f1b6d6ecca81bfe0056770df0
  15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON