addrbookFor publishers
← The evidence ledger

Evidence row 2548438

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:167231
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9dcb0e92b0923d498c136441c679c91728304be682a5b6a1554a18edb797d9ae
Leaf
0x6d0d398bcb80dcfaaf6d0387518c2f4e7f6c060fcc2460da8fee1d041dd58447

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7uhiqZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8a3aa14d-a69b-45a4-81b0-d3032d817ae0/.well-known/agent-card.json"
    ]
  ],
  "name": "Sifjo",
  "owner_address": "0x631bd233d2b5e0fb85fe3d1f17ec4da838545992",
  "raw": {
    "agent_id": "167231",
    "agent_uri": "https://centralcity.ai/a/7uhiqZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sifjo 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/7uhiqZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sifjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8a3aa14d-a69b-45a4-81b0-d3032d817ae0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7uhiqZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:32:32Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sifjo 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/7uhiqZ"
}

What the leaf hashes

{"body":"9dcb0e92b0923d498c136441c679c91728304be682a5b6a1554a18edb797d9ae","id":2548438,"kind":"listing","method":"sync.erc8004/1","observed_us":1793691152684139,"prev":null,"subject":"erc8004:5042:167231","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. 0x6d0cdb2fbb9f7cd8cc1c7fa587a02530e4ba710fe816cdfeed3868eeced8fc22
  2. 0xfe60ea0f17fb3d8c9c61c386e91bec0727dff29804cbd0e55b18708d1a5203a0
  3. 0xb95e9fba6912801f281bb5010725a87a38e181b2ef9645dd47725e2c37ca37a5
  4. 0x50a008aaf0e38aaedfc4d3288a298e800bf6b11b6b80574f6922c63dcb214add
  5. 0x0a44946444d1c37a24074f7367c3685e1f3e67d13ce8b1219e04bffb06859d41
  6. 0x7b45e3a3e4fc3cdb988e7844c5b332355cba4ec4b96b259e8ec624c83dabdbe8
  7. 0x02d5e60b967c247b7e1146160e2166f25e4d8dee3c721c06d0bbf436f293d0cb
  8. 0xa17e881ad7d69c87d627cb8759c45286d2fa37fa7cebe7ddd99bab55daaa0a4a
  9. 0x130b6940d5a0d5fbc30b6a73b6c0d54c65f74e78f7ac234929a1a8f5c49767e9
  10. 0x271db3750520ceb4715afd6d905dd92ee6c9a54b2b5c57b3c3d5f5c212c03a6c
  11. 0x2113a90ae6fa877a444b227f5a814679ca903c101465168f45d607846c156266
  12. 0x214589e605ddfb0bb125e3baa9566898e2fb8cf79aaf7e4a640daab3b300cdac
  13. 0x17ed3001ba4262f9a9bdbf52bec0dd3e265936a67c3b494e499acd7556b945ed
  14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  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