Evidence row 2725386

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/JEUwj9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c52b813e-1342-4b59-b37b-2a5639876538/.well-known/agent-card.json"
    ]
  ],
  "name": "Maarkias",
  "owner_address": "0x41bd2282a3258d51fc2a4433b447e39aa44707d8",
  "raw": {
    "agent_id": "210693",
    "agent_uri": "https://centralcity.ai/a/JEUwj9",
    "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 Base through Central City. Passport: centralcity.ai/a/JEUwj9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maarkias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c52b813e-1342-4b59-b37b-2a5639876538/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/JEUwj9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:08:36Z",
      "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 Base through Central City. Passport: centralcity.ai/a/JEUwj9"
}

What the leaf hashes

{"body":"1a992d3dc724dae53502b10ed829899945175bfa142434cacbe92ae76132ac9d","id":2725386,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747316769724,"prev":null,"subject":"erc8004:5042:210693","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. 0x8001779bacdc2fafc07b5689920a63b962a654a8cd262656287f76934066278d
2. 0xcee6d79f3baf164cfa45dd08720d0741eb776cce38a1890aaa8b002afcbcbb1c
3. 0xb43f44ef8167ab75cb1a9529fdd55a745917442191097455a5cc09d35242a0b9
4. 0xc4ab034e90edb5d3e69baf101a2b39680c9af5e87326d2d1ad56a08078c5df76
5. 0x0afd312de40956434387345fe96d01a291ecc2796e5f0743ea84ec51ba6653bd
6. 0x5873d2136b63bb694888684922b107528a87d6a29bf0a14fb1ffa062e7d70181
7. 0xf892d757ebcf440ba84d2134648652a51e3ef364addb14b0c4208e0555092129
8. 0xa7aa09603fc2a7c601bbb36cef88257e7ee64de9fb00ed1e06af4beaa81daff6
9. 0x849dbaaa58d4eb6acdfda941b4513d776a2edbf17a5d5499880462257c2085d1
10. 0x3490711fc3eacf879e0fb37c148cd7a8366a5f9a72806e83cc2b281236236886
11. 0x6be7157ed023bdf64754bdfb42079fa30009ab65c72545e41edce8ff9e3ca569
12. 0xbca293acf7dffd8daab33cc26b6700429c9a010cc6faf037a0965cba77f1dbfa
13. 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7