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Evidence row 3009420

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:249542
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a77963010e216fcc13b073c9e2f0f37546abd658724036d53749ba622c24e5f2
Leaf
0x4921733c738959d2598ce1c06110ed8b4a25d8453877958e7802ea9cf40d339b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wkm3jB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/90818f97-c980-4643-ac6b-cfa27efcc585/.well-known/agent-card.json"
    ]
  ],
  "name": "Grabiosik",
  "owner_address": "0xe5a944ae4e695d8e5e2e6d203c3086d364580eaa",
  "raw": {
    "agent_id": "249542",
    "agent_uri": "https://centralcity.ai/a/wkm3jB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grabiosik 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/wkm3jB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grabiosik",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/90818f97-c980-4643-ac6b-cfa27efcc585/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wkm3jB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T13:09:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grabiosik 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/wkm3jB"
}

What the leaf hashes

{"body":"a77963010e216fcc13b073c9e2f0f37546abd658724036d53749ba622c24e5f2","id":3009420,"kind":"listing","method":"sync.erc8004/1","observed_us":1793797755997467,"prev":null,"subject":"erc8004:5042:249542","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x4921631604a2bac06ae9437ba97d10ed067378b22b3feacccd1a2b54a7999a58
  2. 0xd924bafca0743fb69482f52ad9026387381583bf5914779181fb3cd0eff13640
  3. 0xa4cb5561e1a6b33b6da410b564a2d3eafb3da3254d43d6e89a34593d5195717b
  4. 0x87f1cf32b103547eabb9068f7243d0e00c9a212c94e1f43471f47e83050a2d56
  5. 0x15e718949e8c6f2e6e4304700e3b938b29bc0314b8060a705539cdcf678041cd
  6. 0x8105b26a457be58702375925e163aa79493f1ca61b8441f758ee12573967b547
  7. 0x18bd6f64d41fc4b3f10d0e3f204c55da62068400994ef1208d07c919334848a8
  8. 0x3a791415880cdde2aa3d985439f349b36efd41c18819ad64debdea0d48d4c903
  9. 0x4b37549d92c2484466829d0643a5ffc58341d1c594f20e6aea957110da6fda1d
  10. 0x55501910509b97241ed37c219e33a81f1272767cf10e7e6cbae458e3004cd855
  11. 0xebd7ac5569915c8a6401301f5d7aa275599542b541b39abcf9ea0cff8843f170
  12. 0x8189ecb985bb6efe43e7bafc04070acaeb29116f78c7aaf063444788afad1e01
  13. 0x2fc2b1d5c0426a024e4ce9018ccb1565544f53b3d9cc2329631a5a4e9e1210c5
  14. 0x7111066cf0e2f963a0c95c84861192c8eb1410c53ab025be6fd11b5319847a92
  15. 0x544c1b2a55fd13025d2c8d59b81cb53522492b432ac735cbefd94b47b754d5cc
  16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON