Evidence row 2613518

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QMbKCb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e0df2709-b02f-47c0-a370-1d976885bae6/.well-known/agent-card.json"
    ]
  ],
  "name": "Maarkias",
  "owner_address": "0x2c4addd5846ee0a6baf65f8ef61cd373bc4bf866",
  "raw": {
    "agent_id": "194547",
    "agent_uri": "https://centralcity.ai/a/QMbKCb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maarkias 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/QMbKCb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maarkias",
      "registrations": [
        {
          "agentId": 194547,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e0df2709-b02f-47c0-a370-1d976885bae6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QMbKCb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793724123,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T16:44:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maarkias 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/QMbKCb"
}

What the leaf hashes

{"body":"f4e8af383880ab7b225779b953c6608df02703f0d31cdfb8b9e48aea0969f0c7","id":2613518,"kind":"listing","method":"sync.erc8004/1","observed_us":1793724283741144,"prev":null,"subject":"erc8004:5042:194547","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. 0x9cb9b009616e0f35253694044a6fa7c7504bac5b268df1b1958937ecd174b1f2
2. 0xca26906398fee5088724321bb315fab95edc61529408723ac4cb5efeb173528b
3. 0x91f3e17828200c12e387a09e8a7bfed4551125c0384c1608923d0f83f518618c
4. 0xc469256f5aa7e96cc6e32ed81caf9f63359747ed5a364b343b169e1021ee0026
5. 0x5840c714a6c05c63467b47d7a20c0add647af2cf26d54ab0cfc0a8bac4c7434c
6. 0x42f59bc9c049d38d42da1bc6a8ded9aff7a655f272caf89fd0f0c45a13fbcf2d
7. 0xd92809d55797f2d197c321b9d842c8fcfb55be319be5fd361a9a488ca336f5e1
8. 0x881b541bfbef5c8ce84ec7040fbe209ec51bfeb2fd81d303f9348ec1c4e3846f
9. 0xac273c287aa49e2d2cb59a4ffc886b1f7cdb62de63a403ed85d554e199968e2d
10. 0xafe07839e480336e4eca02dff27727674abd670a7c38effaa0e57c4920bc9732
11. 0x5f46778835b164363bb5fbc3f6ed82f78be790664ea337191a6523e8b87165f2
12. 0x5135f96b23ea1e5b4458c92c404705e6b4f464bcfb58f2d4484f6776cf797208
13. 0xa213237248bc217986c237aa7f834054c4c09d2887d4a5c8ab351dd9ccee40bd
14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7