Evidence row 2627212

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xpHeHD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/76721778-d6ae-4536-ab34-2adab7fb6916/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostor",
  "owner_address": "0x6013c7b38cffc4f0a327a0e3aabeaa15337797e4",
  "raw": {
    "agent_id": "200189",
    "agent_uri": "https://centralcity.ai/a/xpHeHD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostor 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/xpHeHD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostor",
      "registrations": [
        {
          "agentId": 200189,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/76721778-d6ae-4536-ab34-2adab7fb6916/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xpHeHD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793731731,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:53:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostor 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/xpHeHD"
}

What the leaf hashes

{"body":"ecff3af0ed185cb59438ecb126bfa128f74d94370c60287ee2eba969aa64e516","id":2627212,"kind":"listing","method":"sync.erc8004/1","observed_us":1793731990884835,"prev":2626939,"subject":"erc8004:5042:200189","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. 0x25a0e4c3c930e4fc86798f39b66bcedec0ceaa948dc8ade3eacbdfe658c4716f
2. 0x5b52206f2197c5188d81cb270fc6381829070ef1042536ee1043778c221f2341
3. 0x6b61effcd7f6d7701866fd983c59a4b0ca5121d3d767774f3e7540c52be844e2
4. 0xab2e1fad343245671c1b13c6f4e51d49c63a884737b2dabb308d45412d02725d
5. 0xa0eecbbf02f672ff6e96e7b42c8eb150c4230498dc5845f2de84ed0b8e98be95
6. 0x52cb08afc772b200e58478ad7eb902869e887d33a046b90361091714c6a5cd80
7. 0x055cc7fdb70ef5dafa455b052d3151663cc30366e1084954871000962b6dc614
8. 0x56840060a8bfa8e6fcb19c77fe89907e717bb0483bb243049b04dbbfd35003fa
9. 0x7c0a83e6df45bb14a52fd3f4caae5daca679e424f6ce70638f064105002c263a
10. 0x7f07ce87399c3db981a5e6c5f0f6e556796af3e4706fea8f6bad677cdfe58dcf
11. 0xfcb638143582760e164b64bf0b7b925f549fca3a9a3a62a8f900efc20a9fbd21
12. 0x9f925f35f54eccc58ad31923af1559c9621feb3817744c1a1ec2f5ddaa8bfbc3
13. 0xef1dfe0416b9867c5e84356ce47af8e533ec4133742db5d772c747b8eb9de6cf
14. 0x2eb509fa1adfd792931a660ef16ddc125428dd5ab3b79bbec78835e1899fa304
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7