addrbookFor publishers
← The evidence ledger

Evidence row 2547875

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:166902
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a2a3154ccbce1009c6a11c299918b8bf7fe0e0698d5df38915e4e2b3a1c7bd0c
Leaf
0x679e1a906188106bd9d846be93452286a2631ee63c24c9bf85bc8920c6b3667c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/prl4jt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6f9b46f9-18bb-447c-8e9d-606325228e46/.well-known/agent-card.json"
    ]
  ],
  "name": "Kansis",
  "owner_address": "0xaa9183321428aeb2bcbc77775919238f71ce0880",
  "raw": {
    "agent_id": "166902",
    "agent_uri": "https://centralcity.ai/a/prl4jt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kansis 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/prl4jt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kansis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6f9b46f9-18bb-447c-8e9d-606325228e46/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/prl4jt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:26:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kansis 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/prl4jt"
}

What the leaf hashes

{"body":"a2a3154ccbce1009c6a11c299918b8bf7fe0e0698d5df38915e4e2b3a1c7bd0c","id":2547875,"kind":"listing","method":"sync.erc8004/1","observed_us":1793690791166200,"prev":null,"subject":"erc8004:5042:166902","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. 0x679e3dce36ec1fc86242744748f804f40445d90f4f9f404e9f3a2b618400e670
  2. 0xfb6e6bb33e9c8c192cfa9fbd635dbb4051cd49a26b4b29b778091dac429eabda
  3. 0x9866d61970bdb3a071c18fd225bbfb912eb8341acee8f80ef6eabadd29c7b3e1
  4. 0xf320672ac22f743cc74410bf0d8b4fe25f9463558335ceba7f0823141c737241
  5. 0xa82d0129a45d88824e40c252f82f5fb8c977502505aed944a9137122ac4b3076
  6. 0x6d13ea9979ed535cae83dfcb8751fcc50c81f40e686b024773a2e6b78a38fac0
  7. 0xbe950e4b74b6444360e47c791c9d3e371f25b626ba63b645861b8cf936c40b68
  8. 0xadf54fe64d09bc1bed5961ff94b3b4cfb2583e1367999d25468fbc88afa37216
  9. 0x8ceb7e10de5c6c17050a03a5d59d9bef66a68999def01d57740a9156d9599b63
  10. 0xd0d6b21939e10024906a242668192292bcb2544049b114f75e349501cdc4438f
  11. 0xa1507acec44c9bced609ec37395980c33148f581d967c6bb17ca23a530e325fc
  12. 0xfa47bd200383323fcfd06707b4e8aaed7a88454ffe578952ec34547786a82082
  13. 0x49f77922e3c0c0d3ba9192584c8edb707aedf3ee37ea613d6583857a202724be
  14. 0xb3db8b63788b8a266b4e7a4464683e6583189a54ea3ed27e3979d71ea98215f4
  15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON