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Evidence row 2091247

Observed , by sync.mcp_registry/1.

Kind
listing
About
source_record mcp_registry:top.backfill/backfill-fetch
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e343cbae94f11eccf43574019df51e3cb8e18e0950ef7c0422bcbc24b1ca9a4f
Leaf
0xe3d6a448ea46451aca57d8d92cf842ae8607748c50e29120b816741a486dbbe9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://backfill.top/"
    ],
    [
      "mcp",
      "https://backfill.top/mcp"
    ]
  ],
  "name": "Backfill Fetch",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T08:16:58.629733Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T08:16:58.629733Z",
        "updatedAt": "2026-11-02T08:16:58.629733Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pay-per-fetch web extraction for agents: POST a URL, get clean markdown. x402 USDC on Base.",
      "name": "top.backfill/backfill-fetch",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://backfill.top/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Maren-Ygolonhcet/backfill"
      },
      "title": "Backfill Fetch",
      "version": "1.0.0",
      "websiteUrl": "https://backfill.top/"
    }
  },
  "source": "mcp_registry",
  "summary": "Pay-per-fetch web extraction for agents: POST a URL, get clean markdown. x402 USDC on Base."
}

What the leaf hashes

{"body":"e343cbae94f11eccf43574019df51e3cb8e18e0950ef7c0422bcbc24b1ca9a4f","id":2091247,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793607502000002,"prev":null,"subject":"mcp_registry:top.backfill/backfill-fetch","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xe3d6daa95c54715f5cac6b75f5d303da2f9a92516df65419d7511a5036850b40
  2. 0xb0911e3ba4daf7873dc5327d6e02a9e160b17f57aada33a4f8cd9cc641696d28
  3. 0x556448e1c021be81d3184d419cdeab78275ed1b54e197c3e212b0a653f597434
  4. 0xf8571b86f3a372f13cacc210d490eba1eca8f16612d6879259c4fcdf203b2f77
  5. 0xb2279fd0de3e43accf352586918e8d828527114be3e337069464d6a33b5be58c
  6. 0x4bb5e1dd5c5f923bf561494aabbe74c7ced820e7cdcf660cfa872e965d9d7a65
  7. 0x3427e68c7a6cd84f10b89602fd915b5d8e903f6432a7503ec2a3ab9d8bfad2f9
  8. 0xe867b5a7de6bbf70d1daf7f7277182252592fcdb2ed73b59398df89b38cd6810
  9. 0x7104cfa1697ea38a3b9530ddf5069cb853c8d336e5a712008c5ec14ba75ddcf3
  10. 0xcf683a89b770dc52c071f35400ee5710fb606d9fabe70e32fa7432d8fca732b4
  11. 0x5c9be338678c5f20e9141e4b4213baa51419ff68f4fd55126839956d9b71fc19
  12. 0x22bf176b50c1376a81c95eb70dd7c6a4714266ec78d08fbb68be60b003a0354c
  13. 0x5dd9fbf811b05f3e5af51f812b6eea86a039a192f115aecc0fd37a502e3a04f1
  14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
  15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON