Evidence row 2557154

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/f9LA4h"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f52b35e5-b7a0-4e76-ad05-2aa9df65fa82/.well-known/agent-card.json"
    ]
  ],
  "name": "Heintisto",
  "owner_address": "0x87e8801fb9c3c41948532db8bf6dc463ab42e460",
  "raw": {
    "agent_id": "171805",
    "agent_uri": "https://centralcity.ai/a/f9LA4h",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Heintisto 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/f9LA4h",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Heintisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f52b35e5-b7a0-4e76-ad05-2aa9df65fa82/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/f9LA4h",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:03:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Heintisto 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/f9LA4h"
}

What the leaf hashes

{"body":"db13f99f1e4831020c52df95015fde72eea6881598d53f8e1b533b761701fee8","id":2557154,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696598824261,"prev":null,"subject":"erc8004:5042:171805","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. 0xa70ef1ffc007ab573e62feda212df413d17edc48700fcc9c1bdafc6033a182f9
2. 0xe442d9b7d3a0362631e685108f4cbb901454bcce9c77c39c8f92e3b8f8085068
3. 0x74b79c1106c6d6ef79ab5bc2de302149cb0f12c5578df3c8cd0d10da73e508ba
4. 0xf4cc15a0c995236993859658eba8b91fc4c1ba9b04f09d19b6bd632d2aa44f17
5. 0x5445f4c435f24e1e8aff0a6fb7bfe3d247fb469dc421147a75d8a93737a74a2f
6. 0x6bce5c61e85be14a556d620f0cd5011d3545b084780540c477bbc8a61dbfbc85
7. 0xb65010debbe69ca49921ce42205b5605fe92451a6496cc0d290404a758698624
8. 0x6c707dc72a0a5a2132643eabc00f5aef30c0386d8eb8b02ed8535357c6d0efa6
9. 0x8202c8c9ee8986d2f8aa760d9440c2202f24b03e51c87d348530bbbd8887efd6
10. 0x4df24bfd766be56f43a63011663fb2afd7d35f44b6c2a36efba6964fd11f83b2
11. 0xdfd7a6652720c74fa7d08eee6071b818c64e848cc46d769acee84b4193aba9ce
12. 0x6c0e33c59ef5fa8a092471ec46a8d6ac220e93b4740fa195b8b37c829890bb45
13. 0x53a3eed7cbfaf81d389119a28838f038ff9374739b7125ff237e74956b8919f7
14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7