addrbookFor publishers
← The evidence ledger

Evidence row 2630992

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:200896
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4c3a858e6138a4e950e74b57c8bda0930941577675190f6fe794009aa3fa7e92
Leaf
0xa72bb750d8463547de4fd535d22e6824456c62b35ac8c7506f4bef544e635e9b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/y90hCV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/38ed836f-7360-4191-82df-429986390e50/.well-known/agent-card.json"
    ]
  ],
  "name": "Standano",
  "owner_address": "0x8ff65d6efb409206c1637bf0d039c59ad90a347f",
  "raw": {
    "agent_id": "200896",
    "agent_uri": "https://centralcity.ai/a/y90hCV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Standano 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/y90hCV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Standano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/38ed836f-7360-4191-82df-429986390e50/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/y90hCV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T19:30:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Standano 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/y90hCV"
}

What the leaf hashes

{"body":"4c3a858e6138a4e950e74b57c8bda0930941577675190f6fe794009aa3fa7e92","id":2630992,"kind":"listing","method":"sync.erc8004/1","observed_us":1793734204392463,"prev":null,"subject":"erc8004:5042:200896","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. 0xa72ba23a60121252c78bf5b37c1370f05233d56c206d58da0b60383424c05801
  2. 0x7d8d6bf291e41fb60f748189063746243ee39d0e4de892c33dc69704cb415e97
  3. 0x98f37454bf96add32fe69996b2fd8741fa5aadbf960f12e5f3f4c4b911687729
  4. 0x58979544dc161a9e2b01fa096e396e238527e9b684d29ac6b2534c1dc328a505
  5. 0xe3014855949660467455d6451b2e3449d7d974650e7d372db3fcf4771b321d6b
  6. 0xbf3840cf175843226eb74d1e34c60e82088065fe0103b88584e184ee1c7c35f0
  7. 0xf508fffb74294a47ae6fcac33d63a4aca0c25325409e8b53c0b5038e991ec72f
  8. 0x09ba8a78c922bafcc599afa6b81511051e6e96bffcc5fcce28009f0f75f3a6df
  9. 0x8202c8c9ee8986d2f8aa760d9440c2202f24b03e51c87d348530bbbd8887efd6
  10. 0x4df24bfd766be56f43a63011663fb2afd7d35f44b6c2a36efba6964fd11f83b2
  11. 0xdfd7a6652720c74fa7d08eee6071b818c64e848cc46d769acee84b4193aba9ce
  12. 0x6c0e33c59ef5fa8a092471ec46a8d6ac220e93b4740fa195b8b37c829890bb45
  13. 0x53a3eed7cbfaf81d389119a28838f038ff9374739b7125ff237e74956b8919f7
  14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
  15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
  16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON