Evidence row 2558915

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fNzRax"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9ec42da3-4a80-4510-a9e9-72983769768f/.well-known/agent-card.json"
    ]
  ],
  "name": "Karkan8",
  "owner_address": "0xd47b99b25a8e0fe5c90756468e3db92f75b95293",
  "raw": {
    "agent_id": "172803",
    "agent_uri": "https://centralcity.ai/a/fNzRax",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Karkan8 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/fNzRax",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Karkan8",
      "registrations": [
        {
          "agentId": 172803,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9ec42da3-4a80-4510-a9e9-72983769768f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fNzRax",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793697591,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:20:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Karkan8 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/fNzRax"
}

What the leaf hashes

{"body":"13072cfed450b2e5325aa303d6871a8bc49a57736091800db59d3eb2525b6de2","id":2558915,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697609855552,"prev":null,"subject":"erc8004:5042:172803","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. 0xcbfd4aacd72f22fd26617a28dc5f1ca7c19c8018ffee6c9e0c3643a4a2dfacdc
2. 0xc8e18d569d4c50b9d1c878dc979968876edf78d06db0d4dbea8030f71d197e71
3. 0xbbaa0816dc69c9c4f64f030ef9a06f7f3cb24f6f61b545e163a271a9d4c524a1
4. 0x536df1f5bf83179a915b97283a068513cf592843cedadcf7c57094ae93c5758c
5. 0x2e269c1db4175f5b91c663f2b206851798b5c525b2a25106048bbc211884fee0
6. 0xc37b07218f73dc42210992fcb4263fa7a2d75905ba1167719393912318f6968a
7. 0x7a9a8f4d61c934d005d0347018fc5b8dc9a8c55986ee11c9af106f9dbbd832e4
8. 0x221806e6d6a3fe7d3a028f74bbc00cbe8a2759ab30ecd90361053458130dabed
9. 0x8569631e5e259099d298e2622b0b74f4dace778791ac80e2a47289031e5adbd0
10. 0xc0851c66ffb6a027359d679ce03930f474df6a6e943d76bfaa569fb0a28d6d4d
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