Evidence row 2549005

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/w8kDnq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/57ece88a-caf0-4149-9aeb-1043add1b126/.well-known/agent-card.json"
    ]
  ],
  "name": "Brosto",
  "owner_address": "0xb87aef7da61c64c7983f4c4007630c9e84d2aec7",
  "raw": {
    "agent_id": "167591",
    "agent_uri": "https://centralcity.ai/a/w8kDnq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brosto 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/w8kDnq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brosto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/57ece88a-caf0-4149-9aeb-1043add1b126/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/w8kDnq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:38:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brosto 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/w8kDnq"
}

What the leaf hashes

{"body":"292cb571ff3a8caf5a3ac7f3156135e975e73a542e1a827c51bb6a06233aa0d6","id":2549005,"kind":"listing","method":"sync.erc8004/1","observed_us":1793691500250367,"prev":null,"subject":"erc8004:5042:167591","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. 0x77721965630fb2a10c5a66383c37213e0f96a02bf52b4846b3076962071acda1
2. 0x80e4f5579acc0e19b8c1333597ece823b47ebaec6387d3397aabab6c9e77ce2c
3. 0x1f47d3e623a54bd4c39b68147d9768b54e34fd0a19302eafa14238639a915182
4. 0xe4963926d0f1a641689cfb214f54388ec34cd542c2ba252615253842c586ed3a
5. 0x555607b893e001e33d7d39df1ad2f5fe3fe76df65150bdbeb026ee25975bd206
6. 0x9b98ff8267d255d17f1e0b9298585d0051bdf6b0d8aae7ef55a19d106feb6cc9
7. 0xcb44a3d3749899421850b2c8abfb830612734530fae9aeb76cc1263564d79aca
8. 0x03391d8a718cc62e4c4b8dbd789933057f58103b4612377fda33db30c4bf99aa
9. 0x5e7885a00d2890d84a52197f72641b13062cc91c478eeae85f590ce502f0f462
10. 0xa353a8f5a670dc5e523f4f81615bdc95690941a1f220fb2d467df209f26fd718
11. 0xf5a2197ac2dfd1a5c003788ea5f80886ce8bc2197cd69df62c230ed2eb806bbd
12. 0x113a721b5ab2af9dceb537299d64b98b1f2c69372877c5da971b3d334972d9ef
13. 0x276dacad1f390f5977f95336e789bde7e7fd04ac932e79c2603c87496f39bf4c
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7