Evidence row 810844

What was observed

{
  "endpoints": [
    [
      "web",
      "https://api.rohnelt.dev/feed-preflight/?ref=mcp-feed-preflight"
    ],
    [
      "mcp",
      "https://api.rohnelt.dev/feed-preflight/mcp"
    ]
  ],
  "name": "Feed Preflight",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T22:11:46.403464Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T22:11:46.403464Z",
        "updatedAt": "2026-10-28T22:11:46.403464Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check product CSV structure for up to 20 records; free preview and purchase availability.",
      "name": "dev.rohnelt.api/feed-preflight",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.rohnelt.dev/feed-preflight/mcp"
        }
      ],
      "title": "Feed Preflight",
      "version": "1.0.0",
      "websiteUrl": "https://api.rohnelt.dev/feed-preflight/?ref=mcp-feed-preflight"
    }
  },
  "source": "mcp_registry",
  "summary": "Check product CSV structure for up to 20 records; free preview and purchase availability."
}

What the leaf hashes

{"body":"4838a4b3d94d3137a41c51fd33a969ebf25682a30a85736b2a634a5a686acfa1","id":810844,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793225555913876,"prev":null,"subject":"mcp_registry:dev.rohnelt.api/feed-preflight","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xeed72579053db944af2eea56e05f4030eaed7263a8e8b260572fe74f42d5ce00
2. 0x178ee67d8ae64d5d7b2e5f4ae25df26fe42e103d06f1cb9a4825fde2a6adde07
3. 0xd621cfa0b8c9e205425c34d398c27f5a0ce532a2282892afbea3c8282a553502
4. 0x55ddc2feca8a82143914f875fdc349d8a77a1a1f867a24fbac1caf8a66815799
5. 0x7fd05f418b24931b889f632a1f6db18e9fc6d3362ae81e4fbe88338eb7730bdb
6. 0xfd55545085c328e9c9b1e497fdf8b9fc9f2ce5e0c0f9bc6e6e3ee9c5253f5cbe
7. 0x24c1d4f89c83e96bcae3afc31e36bd420350a94c90aa738c754dc08a60cb069d
8. 0x86e0a50a4f0e694c1819f71b1620d907260c70eea639aa70170d03c512fc0cf7
9. 0xef8c1c4f2dfa85b37da0979e1b336ebc50f391df78874ac451f6e05cce75d4bb
10. 0xc9d71f1c877c5caa27a09ef6afed23a0d08727d25ecb75fc16ac0a577adc3ec6
11. 0xe2b694cd210ad43c1eba274309908cc1d47fbf23f118e26484faac76b0f862e9
12. 0x20179cde505821813c2d635df6658dedf9c5dac9aa60296802366454e3b0de3b
13. 0x7c7680a693651307890c3f1e37c63eee03c1c637cfe36c210695030d5edb22bc
14. 0xfb2274fa79452c1e494276a3ee3eadb7c66f76a08a80f6923416f3d591053e02
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae