Evidence row 2550139

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/f0sbbB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f82d2d78-d77b-4f57-871a-ed2257b14e64/.well-known/agent-card.json"
    ]
  ],
  "name": "Kifo",
  "owner_address": "0x0cdad062e422ac5653b8038d33478739fc0b35c4",
  "raw": {
    "agent_id": "168230",
    "agent_uri": "https://centralcity.ai/a/f0sbbB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kifo 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/f0sbbB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kifo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f82d2d78-d77b-4f57-871a-ed2257b14e64/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/f0sbbB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:49:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kifo 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/f0sbbB"
}

What the leaf hashes

{"body":"2cd7d2eb1f7c88ce7479fc5b7f6219520211922343a4001dfa38387e8578604e","id":2550139,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692187651154,"prev":null,"subject":"erc8004:5042:168230","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xcc79dfa8c0b4417485626bb0dbcc38d20103cfdbc68801b78bee2acac75ea81d
2. 0x450f1e31f895a3997e3f16c5cd1e14d084a3bfa0069f70d49520294def4d825e
3. 0x9748238baa7f8a254521bfaddc5cf8ee08352f7d52d0c72a053552b61129c57c
4. 0xfec78f413fbc0404e0312785033ae3c3da50fbfc37a9443a81de6af2577980e1
5. 0xc82746d01b0956d12959feaad0290e8f6b1b0732b513a1dbbbfdd90579f01101
6. 0xb4135fcb11d27f3500c6c08f770073b9e81c44c4e34cb7a8ad8251ef0898cc09
7. 0x0244f9abbcc2d7ba478ac02493ddb5082dd5f4795409c77e52541792d3403112
8. 0x84c4b6db1d6fac89685a335edf80d3b10e10ca667b7a1cad08b1261e5ce79a30
9. 0x17fcd67b22a2790b43da377264624f311a3a46a72c46eb988253672680ea6d2d
10. 0x4a594546cc605c629ef5f4e8f375c9c9b07bb64369f608e44551c285319297b7
11. 0xe1df165f3c69626ff1481a3ef6dfc2622e917ea17a78cd59f340066d301fb8d5
12. 0x15cd36344d974c55b6f580578f0563e541344467cef28231bd9d9db05e79f532
13. 0x33fc1351c38cd27bc6972d4d1d2c6baa7fb113346e29547df2fd38d8e6c92e40
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7