Evidence row 55408

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/yipihey/scix-client"
    ]
  ],
  "name": "SciX / NASA ADS",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-22T12:37:54.469771Z",
        "status": "active",
        "statusChangedAt": "2026-10-22T12:37:54.469771Z",
        "updatedAt": "2026-10-22T12:37:54.469771Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search the astronomy and physics literature (SciX / NASA ADS): papers, citations, metrics, BibTeX.",
      "name": "io.github.yipihey/scix",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "SciX / ADS API token from https://ui.adsabs.harvard.edu/user/settings/token",
              "isRequired": true,
              "isSecret": true,
              "name": "SCIX_API_TOKEN"
            }
          ],
          "fileSha256": "ac2879e36fb27761c7fcf1576995fdc0ed6fc5dbcdaa16be5e600c5cf0ae73d6",
          "identifier": "https://github.com/yipihey/scix-client/releases/download/v0.4.1/scix-v0.4.1.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        },
        {
          "environmentVariables": [
            {
              "description": "SciX / ADS API token from https://ui.adsabs.harvard.edu/user/settings/token",
              "isRequired": true,
              "isSecret": true,
              "name": "SCIX_API_TOKEN"
            }
          ],
          "identifier": "scix-client",
          "packageArguments": [
            {
              "type": "positional",
              "value": "serve"
            }
          ],
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.4.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/yipihey/scix-client"
      },
      "title": "SciX / NASA ADS",
      "version": "0.4.1",
      "websiteUrl": "https://github.com/yipihey/scix-client"
    }
  },
  "source": "mcp_registry",
  "summary": "Search the astronomy and physics literature (SciX / NASA ADS): papers, citations, metrics, BibTeX."
}

What the leaf hashes

{"body":"3d9fbfadf99d6a7a66287761cc4b6c69fd6aae9e61732fc2bbf87af96897d058","id":55408,"kind":"listing","method":"baseline/1","observed_us":1793025435047746,"prev":null,"subject":"mcp_registry:io.github.yipihey/scix","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x1a3784a67290edc3f484d6ae959fe815491313d3ca42e022c9e5e4a840edaba7
2. 0x7c68b1d737d741b877fd45a57dbc3b6c6bb785b9e2a56c1f1c5ce83bdb9b8b28
3. 0xdfc0683b09ab8b46d42b8b1b66625117e40d8c6abb0877553a090fe53370bd64
4. 0x7a6d081b7bbbed00e33b1e20373e0d2cfd7fd0034e63dbeebf0bdb9e3aba78d2
5. 0x1d380b9cb486bb25398e83e421ed4a087f91f9328d59f05294eb2c7b51cbddb0
6. 0x2f59acb73be330270d3231ec916f6d3c2a8425a77d516362cb0637964798e90e
7. 0xd26dad7132f5ea216c9ee9fa5a93e21ff5f12fdc0dc9a5be47725d6659440669
8. 0x2cc7aac248936fb123213cfa64b0530ede3c332c47775ad322d1df7d26354258
9. 0xe6e4254a8723d8930479e5f77cf75c44851c9b08b81c0bb74b2598a9e74f7537
10. 0x6d27c5c63ea66456b677294ea72b347a864d782d8f8fd8c013fee5d576ad8725
11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae