{
  "access": "open",
  "curation": {
    "added": "2026-10-23",
    "quality_notes": ["found by targeted web search; verified: GitHub org repo listing via API; mermithid licence GPL-3.0.", "No public Project 8 data files found; arXiv 2212.05048 has no ancillary files."],
    "source": "web search (xsec_cevns_mass_bb, 2026-10-23)",
    "status": "curated"
  },
  "description": "Public code of the Project 8 CRES tritium experiment: Katydid (event reconstruction), Locust (CRES signal Monte Carlo), mermithid (spectrum-analysis processors incl. tritium spectrum fits, GPL-3.0), morpho (Stan-based analysis framework), Monarch (data format).",
  "distributions": [
    {
      "host": "github",
      "role": "primary",
      "url": "https://github.com/project8"
    },
    {
      "host": "github",
      "role": "mirror",
      "url": "https://github.com/project8/katydid"
    },
    {
      "host": "github",
      "role": "mirror",
      "url": "https://github.com/project8/locust_mc"
    },
    {
      "host": "github",
      "role": "mirror",
      "url": "https://github.com/project8/mermithid"
    },
    {
      "host": "github",
      "role": "mirror",
      "url": "https://github.com/project8/morpho"
    }
  ],
  "experiments": ["project-8"],
  "id": "project-8-software",
  "license": "none-stated",
  "references": [
    {
      "arxiv": "2212.05048",
      "relation": "describes"
    }
  ],
  "short": "Project 8 open code: Katydid, Locust, mermithid, morpho (CRES tritium experiment)",
  "software": {
    "development_status": "unknown",
    "interfaces": ["library"],
    "purposes": ["reconstruction", "detector-simulation", "fitting"],
    "repository": "https://github.com/project8"
  },
  "sources": ["nuclear-decay"],
  "title": "Project 8 analysis and simulation software (Katydid, Locust, mermithid, morpho)",
  "topics": ["absolute-mass"],
  "type": "software",
  "url_landing": "https://github.com/project8"
}