Evidence row 2509954

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xDq3Cf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/25fbc78d-6d0d-44f1-8bcf-e5b21aa1a39d/.well-known/agent-card.json"
    ]
  ],
  "name": "Kampus",
  "owner_address": "0x5fcf6cde1bfb5ad9c69aeab15fc7cf323706231b",
  "raw": {
    "agent_id": "152577",
    "agent_uri": "https://centralcity.ai/a/xDq3Cf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kampus 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/xDq3Cf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kampus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/25fbc78d-6d0d-44f1-8bcf-e5b21aa1a39d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xDq3Cf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:54:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kampus 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/xDq3Cf"
}

What the leaf hashes

{"body":"a3acd8785ef368af207b8d86a60b6f67267dd816743d0086d78eedc82b614828","id":2509954,"kind":"listing","method":"sync.erc8004/1","observed_us":1793674449577384,"prev":2509511,"subject":"erc8004:5042:152577","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. 0x39b176d50bff8f24e991431f8abbf44d65d3f9417fa2a6d2d9118d368091e8ff
2. 0xace4d5e3bcad28d4889aac12bf9d7186e02fc31aab8f8589590ca0fb906050a9
3. 0xf82f4d55495c71e08ca633a049408c0b3f4752f8e7d37f57ca94289f43706c13
4. 0x5071be6712ec01b498c09d6d5506d1def72a5aeae966d53a733f0af1bbe5592f
5. 0x342857c4dc6bd194aadbb30165a68997151ab84e6b08c7de9373db55e75e2751
6. 0xd291a0af379faadef7b7f9cf335872139074bc043fadd0868e9a456a86808aa9
7. 0xf762720b5627803c3c29620ab7e23886d32e235fe9ff426572c154ab7d960b55
8. 0xe2218768b75439919dde26c8e8c6b4ad7fb8bdb0c6ed4ce29c58882e083cbfaf
9. 0x29f6b68a9d2ff83b33002e29933e49a91055802810ae329860ddedd18260622e
10. 0x95f440ab19af63ee097c112bfdbff91cd3f65aceabba6e4228aadfb71f9c2057
11. 0x9700aa49b327ecc681b87d9c752f01748db4a63ed1b9d9ff64dc82dfc67c7246
12. 0x68b28488a5f1206d54658e4c56356c8dac4c799719ceeac59b9b83cd42375420
13. 0x9ff0540c065d2c066aa07e30d42707c88f5f7729bc3c89880661802495922729
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7