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Evidence row 2725400

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:210706
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e9fc433096d064dc7af8ab4d1dd88ab46901383f7812aabecbb2950a9d2fa68e
Leaf
0xc54608ef680a590d3ed89c34eb7e3b7cf7f5d485ea3e9c7e3655db3464bd46a5

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/KB5mGk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bba51b30-0cca-4f8c-afa2-e28df5974a5f/.well-known/agent-card.json"
    ]
  ],
  "name": "Nivotero",
  "owner_address": "0xb7218d3ce82740a8123b9a66ab62843c6e41e814",
  "raw": {
    "agent_id": "210706",
    "agent_uri": "https://centralcity.ai/a/KB5mGk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nivotero 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/KB5mGk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nivotero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bba51b30-0cca-4f8c-afa2-e28df5974a5f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/KB5mGk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:08:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nivotero 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/KB5mGk"
}

What the leaf hashes

{"body":"e9fc433096d064dc7af8ab4d1dd88ab46901383f7812aabecbb2950a9d2fa68e","id":2725400,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747316799110,"prev":null,"subject":"erc8004:5042:210706","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. 0xc5462c0b50686346e330ef4be6c2ab6ba1ad81e37838d45af414656f26bf521a
  2. 0x832caa41cb0cafa27e62287d66ef4bea2e3469ef8817258e1a348fd4734f915d
  3. 0x91d4760d95906eae09616bbab661e79a211e544dc9d2f9a847481937028e1a81
  4. 0xe1e64fbc3e5bed24fcb94265ddda20fec845e977ce2619157ce0f3cbf6c5e861
  5. 0xff20d04a43bbc6dad008e0d49e24ba9d09bcb0b0b8a945c0b8e6bf816fbb67ff
  6. 0x2fce892e91edc510df9bdf788efc6577c64da13aeb8e8286527c69cd252116fc
  7. 0x670d584cbc6d61ec7ad204355489506ce223e9873c4540004d2a6b352d9a6ceb
  8. 0x0b24badce4d0d3fde29038e8a542184208ad89392ea6451f87a8569b769830db
  9. 0x66671ef5cf74da00e2ebbd8ee9ac6de6decec70cbdf5e41cd9c3792855c0ee00
  10. 0x542e3668c1549d9a8de999162a765a8d095b38037d7364287ce5870862eacaf1
  11. 0xb9479538c0cf9567cbeefd29a4239e2a9b423f88542d2090e7f65ae17fe08d95
  12. 0x2776d6de184337d929278006b07b17c87f04f4b0c2a6ef891d856846b26b3417
  13. 0x757c81f4c079ccef5ee9694c28de1354dd783331e9778583284b2bcba45c4662
  14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
  15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
  16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
  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