Evidence row 2561763

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yIdTBr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/01514599-ca52-448a-ba17-9191260b6d03/.well-known/agent-card.json"
    ]
  ],
  "name": "Markasis",
  "owner_address": "0x75485583c355cae49f5f70c6dd2163bb3627dab0",
  "raw": {
    "agent_id": "174195",
    "agent_uri": "https://centralcity.ai/a/yIdTBr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Markasis 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/yIdTBr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Markasis",
      "registrations": [
        {
          "agentId": 174195,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/01514599-ca52-448a-ba17-9191260b6d03/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yIdTBr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793699330,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:53:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Markasis 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/yIdTBr"
}

What the leaf hashes

{"body":"9dbd9b89d7d0bf3e1570b62c1a0012cb79d2b2342005a5109a51f41623694e8a","id":2561763,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699632014745,"prev":2561446,"subject":"erc8004:5042:174195","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. 0x7f1daa0390fe579e96b914265daef347f2f2460486924b8104f0b29c63d01f6d
2. 0xc017592f3d9745a524fe34d936499bd98f774b184f70868ee68d5f803876f055
3. 0x85da59a00c60c064cd818a36ba58bff06e6df9b8ba6943331ea581f1cd59f1c3
4. 0x24d58776eed3cb77c37d630aac71aaa33bc6656a97fd9ae404ed3d52283b5fe8
5. 0x9f23abbd5cbde1a03ed7a6a35ace8ac74de77440a370d0878af136605d31e0c2
6. 0x829d271979684738b14689913d99f061809d0038d3ae2d8c6cea3fb2e656a81a
7. 0xb0e108c703ba57e77c935140ea1604074aae6be013499569e5cb5c6399f6283a
8. 0x293c1c7c014bc8d6a16555a4f4e503fd2ea8123668b3193a9d21d0643426cdcb
9. 0x95ee87b3b8e89035e777ef3b373a2cb5344ed32ccd5c6bca4d1528140dacb3b0
10. 0xa13025b873ec68c8339ff8e8304475346b125dd847e3f9b5133a81d6623c7413
11. 0x6a3db1b01a466ad78f4f0e9a5b167e9c736b41fada645f1f355fe69b1a0948df
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