Evidence row 512282

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://faceabot.com/tools-mcp/exchange-rates"
    ],
    [
      "web",
      "https://faceabot.com/tools/com.faceabot/exchange-rates"
    ]
  ],
  "name": "Faceabot Exchange rates",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T16:20:40.152495Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T16:20:40.152495Z",
        "updatedAt": "2026-10-27T16:20:40.152495Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Exchange rates for about 150 currencies from central banks (ECB and others). Free, no key.",
      "name": "com.faceabot/exchange-rates",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://faceabot.com/tools-mcp/exchange-rates"
        }
      ],
      "title": "Faceabot Exchange rates",
      "version": "1.0.0",
      "websiteUrl": "https://faceabot.com/tools/com.faceabot/exchange-rates"
    }
  },
  "source": "mcp_registry",
  "summary": "Exchange rates for about 150 currencies from central banks (ECB and others). Free, no key."
}

What the leaf hashes

{"body":"520d93ecf3bec0695d0cd8c6bf960cab6e4fff905ae8191b3b43794eb9e4fe64","id":512282,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793118544153781,"prev":null,"subject":"mcp_registry:com.faceabot/exchange-rates","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x257a3143d0264963de6dddf925bb182dda3d02c03352700a948821fc9aafe445
2. 0xb028b035d8365adee3fc2d42ecb77a613d5ff21711c7eb83c4d041c7b503cb7e
3. 0x93035277612dcfdec00d73bdcefc3dc0ee69475c6794c62a66a09525716b538b
4. 0x5943f7b481ff36558188ff33c5837abb2e82cbeda6a069b2d5ae0a7de1fd2d86
5. 0x9d626deecae70dd40add68f45a473c6c21c567fc79003a2592ad004c4da0878b
6. 0xc6b3ebe634e3a0e779455a288c4336893e9e0afaea994eff24d3ea6cebe8ee2f
7. 0x5f918f0cd162c4c01ee726ecff1886e6e9868502ab6fea327f2415e498ceefc7
8. 0xe1294db19f28f67a1dc98d9d15f04c16ce4b48f11c7f14260368f838956b34d8
9. 0x0ee06665618878296455ba51f120c80c2fe7fc87d8ecf2430f6dcbfff7d31488
10. 0x093785ab0a816550f292f169f75fec391c16bd3d86deac07d7bf317be34ac41f
11. 0x17a5d8a0d619389b23b9c7065a443f140dfd86a50ae32f665f667aeeb0d62b5c
12. 0x442ef05dbe7931d22c60e72d459fdb2874e7d0eab89c16f41f0a865bf55610d6
13. 0x1a710d4f8e6092d584b581d8599ff9183c0008f9275cf0601c925b43b4e84ae6
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4