Evidence row 36977

What was observed

{
  "endpoints": [
    [
      "web",
      "https://exoma-ch.github.io/hyrr/"
    ]
  ],
  "name": "HYRR",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-28T19:40:08.022734Z",
        "status": "active",
        "statusChangedAt": "2026-09-28T19:40:08.022734Z",
        "updatedAt": "2026-09-28T19:40:08.022734Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Radio-isotope production, activity and dose for charged-particle beams on stacked targets",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "192x192"
          ],
          "src": "https://exoma-ch.github.io/hyrr/hyrr-icon-192.png"
        }
      ],
      "name": "io.github.exoma-ch/hyrr",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "nucl-parquet data directory. Unset: the matching data release is fetched once into ~/.hyrr/nucl-parquet",
              "format": "filepath",
              "name": "HYRR_DATA"
            },
            {
              "description": "Nuclear data library id, e.g. tendl-2023-iso (default) or endfb-8.1",
              "format": "string",
              "name": "HYRR_LIBRARY"
            }
          ],
          "identifier": "hyrr-mcp",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.22.0"
        }
      ],
      "repository": {
        "id": "1179986153",
        "source": "github",
        "subfolder": "py-mcp",
        "url": "https://github.com/exoma-ch/hyrr"
      },
      "title": "HYRR",
      "version": "0.22.0",
      "websiteUrl": "https://exoma-ch.github.io/hyrr/"
    }
  },
  "source": "mcp_registry",
  "summary": "Radio-isotope production, activity and dose for charged-particle beams on stacked targets"
}

What the leaf hashes

{"body":"724e8266d05ef90b388c54d94f272c91ca0503af246d32f9af516ab4b8dda0ec","id":36977,"kind":"listing","method":"baseline/1","observed_us":1793025389358203,"prev":null,"subject":"mcp_registry:io.github.exoma-ch/hyrr","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. 0xb9f5b8c76b3bce82867252764c6681467ba3e87d73572a72a9b248582b961549
2. 0x0f8d95f5f132c21d0b76f4c08dc608e553fad0fecd0de837853caf691846b34d
3. 0xedaae9a1559df47940a2c263326e571bc8326f8fa10bfcc2cd8dba77811fb76b
4. 0x986cac0ca4a59790a201d8dde15742dfddb8821cb880a57083551cd02427ecca
5. 0x18fe0ec733e11f1d1c2b563ffbb0360e9f4b7d2b04d0931dc0d96abe409df36d
6. 0xf55bd147b817643ebe378ee1283365ca4bb983a36341ba5fb46cb92a39295bb5
7. 0x6cbbde3735fa6f2279a963ee622a06bf06a691cbe7ca63c1221b5c2f4ba43ffc
8. 0x4ac2f319225e09b49ecf4fdbd9efb345f95b3eeb57d9368b050bdbef8246fd52
9. 0x6c0ddf14f4abe39ecf7a674334841c08fcdbfa08efdd79f308184c88870d00c4
10. 0xdd4be627d1b063bd616b9a615efea7de87d552756726682d7d4d9d9e1ddb4856
11. 0xd0a8fcd7581320df765e293ac18ecdb0c84895304e75682f6c130e9b5c6b0ed8
12. 0x1a61f9ab4a9304db8146c466be341271a345718ebf06b718e0f0dd9f347d2fbd
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae