{
  "@context": {
    "@language": "en",
    "@vocab": "https://schema.org/",
    "sc": "https://schema.org/",
    "cr": "http://mlcommons.org/croissant/",
    "rai": "http://mlcommons.org/croissant/RAI/",
    "data": {
      "@id": "cr:data",
      "@type": "@json"
    },
    "dataType": {
      "@id": "cr:dataType",
      "@type": "@vocab"
    },
    "examples": {
      "@id": "cr:examples",
      "@type": "@json"
    },
    "extract": "cr:extract",
    "field": "cr:field",
    "fileObject": "cr:fileObject",
    "fileSet": "cr:fileSet",
    "format": "cr:format",
    "includes": "cr:includes",
    "isLiveDataset": "cr:isLiveDataset",
    "jsonPath": "cr:jsonPath",
    "key": "cr:key",
    "md5": "cr:md5",
    "parentField": "cr:parentField",
    "path": "cr:path",
    "recordSet": "cr:recordSet",
    "references": "cr:references",
    "regex": "cr:regex",
    "repeated": "cr:repeated",
    "replace": "cr:replace",
    "separator": "cr:separator",
    "source": "cr:source",
    "subField": "cr:subField",
    "transform": "cr:transform"
  },
  "@type": "sc:Dataset",
  "conformsTo": "http://mlcommons.org/croissant/1.0",
  "name": "numeric-format-catalog",
  "description": "Single-source-of-truth catalog of 83 numeric formats across 13 clusters (IEEE-754 binary/decimal, ML low-precision FP8/FP4/FP6/bf16, GoldenFloat phi-structured ladder GF4..GF1024, Posit/Unum-III, OCP Microscaling MXFP4/MXFP6/MXFP8, Logarithmic LNS, integer/fixed, historical vendor, theoretical, compression-trick, quantisation-tuned). Codegen derived from the gHashTag/t27 .t27 specification language; cross-validated against ml_dtypes 0.5.4 (Google/JAX) on overlapping formats; reconciled with IEEE P3109 v3.2.0.",
  "url": "https://huggingface.co/datasets/playra/numeric-format-catalog",
  "version": "3.0.0",
  "datePublished": "2026-06-13",
  "creator": {
    "@type": "Person",
    "name": "Dmitrii Vasilev",
    "identifier": "https://orcid.org/0009-0008-4294-6159",
    "email": "admin@t27.ai",
    "affiliation": {
      "@type": "Organization",
      "name": "Trinity S3AI (independent research collective)"
    }
  },
  "publisher": {
    "@type": "Organization",
    "name": "Trinity S3AI",
    "url": "https://github.com/gHashTag"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citeAs": "@misc{vasilev2026catalog, author = {Vasilev, Dmitrii}, title = {An 84-Format Numeric Catalog with Bit-Exact Conformance Vectors}, year = {2026}, eprint = {2606.09686}, archivePrefix = {arXiv}, primaryClass = {cs.MS}, doi = {10.48550/arXiv.2606.09686}}",
  "keywords": [
    "numeric formats",
    "floating point",
    "FP8",
    "MXFP4",
    "bfloat16",
    "GoldenFloat",
    "posit",
    "P3109",
    "OCP Microscaling",
    "machine learning systems"
  ],
  "isLiveDataset": false,
  "distribution": [
    {
      "@type": "cr:FileObject",
      "@id": "formats_catalog_jsonl",
      "name": "formats_catalog.jsonl",
      "description": "Newline-delimited JSON, one numeric format record per line (83 lines).",
      "contentUrl": "formats_catalog.jsonl",
      "encodingFormat": "application/jsonlines",
      "sha256": "bd04ba0c7fdc7dbb8f38a04d2f2635bc64b3667fabb7b313e852bc8904af5553"
    },
    {
      "@type": "cr:FileObject",
      "@id": "formats_catalog_json",
      "name": "formats_catalog.json",
      "description": "Single-document JSON array of 83 numeric format records.",
      "contentUrl": "formats_catalog.json",
      "encodingFormat": "application/json",
      "sha256": "451e4f320f03f91a92cfcc6a9a56bfe829d8ce669ead25b3fda117ad12ec9d93"
    }
  ],
  "recordSet": [
    {
      "@type": "cr:RecordSet",
      "@id": "formats",
      "name": "formats",
      "description": "One record per numeric format (83 records).",
      "key": {"@id": "formats/name"},
      "field": [
        {
          "@type": "cr:Field",
          "@id": "formats/name",
          "name": "name",
          "description": "Canonical short name (e.g. gf16, fp8_e4m3, mxfp4, bf16, posit8).",
          "dataType": "sc:Text",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.name"}
          }
        },
        {
          "@type": "cr:Field",
          "@id": "formats/cluster",
          "name": "cluster",
          "description": "One of 13 cluster labels: GoldenFloat, HistoricalVendor, PositUnumIII, IntegerFixed, MlLowPrecision, Ieee754Binary, Lns, Theoretical, CompressionTrick, Ieee754Decimal, ExtendedFloat, Microscaling, QuantTuned.",
          "dataType": "sc:Text",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.cluster"}
          }
        },
        {
          "@type": "cr:Field",
          "@id": "formats/total_bits",
          "name": "total_bits",
          "description": "Total bit width of the format.",
          "dataType": "sc:Integer",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.total_bits"}
          }
        },
        {
          "@type": "cr:Field",
          "@id": "formats/sign_bits",
          "name": "sign_bits",
          "description": "Number of sign bits.",
          "dataType": "sc:Integer",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.sign_bits"}
          }
        },
        {
          "@type": "cr:Field",
          "@id": "formats/exp_bits",
          "name": "exp_bits",
          "description": "Number of exponent bits.",
          "dataType": "sc:Integer",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.exp_bits"}
          }
        },
        {
          "@type": "cr:Field",
          "@id": "formats/mant_bits",
          "name": "mant_bits",
          "description": "Number of mantissa/fraction bits.",
          "dataType": "sc:Integer",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.mant_bits"}
          }
        },
        {
          "@type": "cr:Field",
          "@id": "formats/status",
          "name": "status",
          "description": "Claim status label: Verified, Empirical_fit, Open_conjecture, Risk, Retracted.",
          "dataType": "sc:Text",
          "source": {
            "fileObject": {"@id": "formats_catalog_jsonl"},
            "extract": {"jsonPath": "$.status"}
          }
        }
      ]
    }
  ]
}