addrbookFor publishers
← The evidence ledger

Evidence row 3139158

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:301107
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b1609fe0659a4188f1791a66bae986e76c2c43af5317b71157b1d2815400d0aa
Leaf
0xce599d02914e1c672c39c3edb9319dbc8a3b46da7da612b6cb643f25706987fe

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/osxCSA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/26643448-da96-4a4f-9619-16cf4cad2c6e/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampus",
  "owner_address": "0x8746ac8f2cab9159e3f95c0e38c9059f0868d466",
  "raw": {
    "agent_id": "301107",
    "agent_uri": "https://centralcity.ai/a/osxCSA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/osxCSA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampus",
      "registrations": [
        {
          "agentId": 301107,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/26643448-da96-4a4f-9619-16cf4cad2c6e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/osxCSA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793829751,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T22:09:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/osxCSA"
}

What the leaf hashes

{"body":"b1609fe0659a4188f1791a66bae986e76c2c43af5317b71157b1d2815400d0aa","id":3139158,"kind":"listing","method":"sync.erc8004/1","observed_us":1793830140776676,"prev":null,"subject":"erc8004:5042:301107","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. 0xce59b42d4e3cc7e1dc271c47b6ef903a401749c2a2ac3fe67f35311836b2d2b9
  2. 0xe365cc95ce2434e72d9fef2c1d3cb5ff472d067e061240ead9147b61945ec05c
  3. 0xa33b818e1ed8aa76adaa2581b569833b301d6228a863d9e67cae5f429f797af3
  4. 0xb867c18ff73622c8c1232dc52dcdd967d9c5f3c2cbcc929d9b69b3cac1258696
  5. 0x80ca56a1aa07df89ffe4816cd127892a2f3187a501fc86615626a3282844a071
  6. 0xcc158e0455ae80771bd53d666f14d9a36447910e0719466fbfe69665a8b2560a
  7. 0x834e00dbecbe61b4694fa22a3092b571e67229d0d86fa511c2129c49217f88de
  8. 0x5171037c518e6839c3fc3831e1891fdee0e551dba2e03fabce48107f6a72e00c
  9. 0x5a24f0561b1634013a6ef09057734474433f262034ebf5771e6b0fb0a8b19a34
  10. 0xe446d0fec95554272babff9c2aa50b626cefd9a19ff7779040354a0ce7f9f439
  11. 0xd41c6b543d68e0922e86d6c5fc0fab507d6831ee7993115591f710ea8035ecb4
  12. 0x406147f849cb111c1169fc2176cae1293569ea7dde24372c055d7215e691132d
  13. 0x86df60ca2c707e980ba7232f59c42d73f8912e9349469d6a710b1bc08c752414
  14. 0xe41c2851c6fb24c6e15e2203479b95c7d0a99699161a99434f0b744f6d0541bb
  15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
  16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON