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      "purpose_and_limitations": "Tempus RNA archive from rectal resection specimen; original read ordinals 1 and 3 retained. Matching instrument/inline-sequence identifiers establish corresponding records; exact library read structure remains requested. Bulk RNA, not single-cell data. Original pipeline/reference checksum and exact library structure remain requested. Pair identity/order and biological bytes verified; no new alignment or variant analysis performed. Vendor read ordinals are 1 and 3. No claim that a biological mate or index read 2 is missing; vendor chemistry/read-structure confirmation is needed. The associated released BAM contains 13,970,734 unpaired SAM records; these raw files contain 13,837,280 matching records each. BAM read names include merged/pair processing suffixes. The exact transformation is not documented here, so raw-read and alignment-record counts are not directly comparable.",
      "license_status": "per_dataset_release_policy",
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      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved file; anonymous HEAD, byte-range and CORS checks passed.",
      "data_record_preservation": "All non-RG alignment record content preserved; read-group/header metadata sanitized.",
      "metadata_transform": "Identifying header fields sanitized; scientific records retained.",
      "purpose_and_limitations": "Additional Caris RNA; tissue source, collection date and tumour fraction remain unconfirmed. No new biological analysis or clinical interpretation performed. Source sequence dictionary retained; verify exact reference FASTA/checksums before reanalysis.",
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      "data_record_preservation": "Regenerated and checked against released BAM.",
      "metadata_transform": "Index regenerated from the released companion file.",
      "purpose_and_limitations": "Additional Caris RNA; tissue source, collection date and tumour fraction remain unconfirmed. No new biological analysis or clinical interpretation performed. Source sequence dictionary retained; verify exact reference FASTA/checksums before reanalysis.",
      "license_status": "per_dataset_release_policy"
    },
    {
      "release_file_id": "M-RAW-011",
      "source_file_id": "M-FILE-014",
      "generated_from_source_file_id": "M-FILE-014",
      "assay_id": "M-ASSAY-002",
      "sample_ids": [
        "M-SAMPLE-001"
      ],
      "data_class": "aligned_sequence_reads",
      "filename": "m-raw-011_caris_primary_tumour_rna.bam",
      "path": null,
      "download_url": "https://alexander-young-cancer-data.alextisyoung.workers.dev/releases/2026-10-07/raw/m-raw-011_caris_primary_tumour_rna.bam",
      "storage": "external",
      "format": "BAM",
      "reference_build": "GRCh38",
      "bytes": 1398673979,
      "sha256": "36ae0376418707bb971615e42cf456630a996dec5b59cebc4bbd920695d44c54",
      "record_count": 40256834,
      "role": "RNA_alignment",
      "companion_file_id": "M-RAW-012",
      "generated_from_release_file_id": null,
      "preparation_status": "verified_for_release",
      "availability": "verified_public_download",
      "included_in_release": true,
      "sequence_reads": true,
      "public_read_without_credentials": true,
      "verified_at": "2026-10-07T17:06:31.313550+00:00",
      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved file; anonymous HEAD, byte-range and CORS checks passed.",
      "data_record_preservation": "All non-RG alignment record content preserved; read-group/header metadata sanitized.",
      "metadata_transform": "Identifying header fields sanitized; scientific records retained.",
      "purpose_and_limitations": "Primary rectal tumour specimen-level mapping; exact block/aliquot and original pipeline checksum remain requested. No new biological analysis or clinical interpretation performed. Source sequence dictionary retained; verify exact reference FASTA/checksums before reanalysis.",
      "license_status": "per_dataset_release_policy"
    },
    {
      "release_file_id": "M-RAW-012",
      "source_file_id": null,
      "generated_from_source_file_id": "M-FILE-014",
      "assay_id": "M-ASSAY-002",
      "sample_ids": [
        "M-SAMPLE-001"
      ],
      "data_class": "regenerated_alignment_index",
      "filename": "m-raw-011_caris_primary_tumour_rna.bam.bai",
      "path": null,
      "download_url": "https://alexander-young-cancer-data.alextisyoung.workers.dev/releases/2026-10-07/raw/m-raw-011_caris_primary_tumour_rna.bam.bai",
      "storage": "external",
      "format": "BAI",
      "reference_build": "GRCh38",
      "bytes": 3095104,
      "sha256": "3e7f649a3c40dcc29f582371a0cd2d18d945b4d89d86c5ecf8a91b5577075173",
      "record_count": null,
      "role": "BAM_index",
      "companion_file_id": "M-RAW-011",
      "generated_from_release_file_id": "M-RAW-011",
      "preparation_status": "verified_for_release",
      "availability": "verified_public_download",
      "included_in_release": true,
      "sequence_reads": false,
      "public_read_without_credentials": true,
      "verified_at": "2026-10-07T17:06:33.545018+00:00",
      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved file; anonymous HEAD, byte-range and CORS checks passed.",
      "data_record_preservation": "Regenerated and checked against released BAM.",
      "metadata_transform": "Index regenerated from the released companion file.",
      "purpose_and_limitations": "Primary rectal tumour specimen-level mapping; exact block/aliquot and original pipeline checksum remain requested. No new biological analysis or clinical interpretation performed. Source sequence dictionary retained; verify exact reference FASTA/checksums before reanalysis.",
      "license_status": "per_dataset_release_policy"
    },
    {
      "release_file_id": "M-RAW-015",
      "source_file_id": "M-FILE-017",
      "generated_from_source_file_id": "M-FILE-017",
      "assay_id": "M-ASSAY-005",
      "sample_ids": [
        "M-SAMPLE-005"
      ],
      "data_class": "aligned_sequence_reads",
      "filename": "m-raw-015_natera_normal_input_dna.bam",
      "path": null,
      "download_url": "https://alexander-young-cancer-data.alextisyoung.workers.dev/releases/2026-10-07/raw/m-raw-015_natera_normal_input_dna.bam",
      "storage": "external",
      "format": "BAM",
      "reference_build": "GRCh37_hs37d5",
      "bytes": 5741775270,
      "sha256": "a614b322e64bb58ff9d77c8819d740040d80c3f85ea617a9c1f14f017682eaba",
      "record_count": 116879500,
      "role": "normal_input_DNA_alignment",
      "companion_file_id": "M-RAW-016",
      "generated_from_release_file_id": null,
      "preparation_status": "verified_for_release",
      "availability": "verified_public_download",
      "included_in_release": true,
      "sequence_reads": true,
      "public_read_without_credentials": true,
      "verified_at": "2026-10-07T18:04:08.224064+00:00",
      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved file; anonymous HEAD, byte-range and CORS checks passed.",
      "data_record_preservation": "All non-RG alignment record content preserved; read-group/header metadata sanitized.",
      "metadata_transform": "Identifying BAM header and read-group fields sanitized; non-RG alignment record content retained.",
      "purpose_and_limitations": "Sequencing file role verified from retained analysis records. Physical source material and collection date remain unconfirmed; normal input does not imply blood. Reference dictionary matches GRCh37/hs37d5; original reference MD5s were not supplied.",
      "license_status": "per_dataset_release_policy",
      "provider_id": "natera",
      "provider": "Natera",
      "assay_label": "Natera matched-normal exome",
      "specimens": [
        {
          "sample_id": "M-SAMPLE-005",
          "label": "Natera matched-normal exome specimen",
          "anatomical_site": "not_confirmed",
          "role": "matched_normal",
          "collection_date": null,
          "date_precision": "unknown",
          "preservation": "not_confirmed",
          "provenance_status": "file_role_verified_from_retained_analysis_records",
          "source_ids": [
            "M-SOURCE-006",
            "M-SOURCE-007",
            "M-SOURCE-012"
          ],
          "notes": "Sequencing file role verified as matched normal from retained analysis records. Physical source material and collection date remain unconfirmed."
        }
      ],
      "source_ids": [
        "M-SOURCE-009",
        "M-SOURCE-012"
      ],
      "provenance_summary": "Sequencing file role verified from retained analysis records; physical source and collection date remain unconfirmed. No new biological analysis or clinical interpretation performed. GRCh37/hs37d5 dictionary confirmed from sequence names and lengths; no original reference MD5 values supplied. Physical source and collection date remain unconfirmed; normal input does not imply blood."
    },
    {
      "release_file_id": "M-RAW-016",
      "source_file_id": "M-FILE-018",
      "generated_from_source_file_id": "M-FILE-017",
      "assay_id": "M-ASSAY-005",
      "sample_ids": [
        "M-SAMPLE-005"
      ],
      "data_class": "regenerated_alignment_index",
      "filename": "m-raw-015_natera_normal_input_dna.bam.bai",
      "path": null,
      "download_url": "https://alexander-young-cancer-data.alextisyoung.workers.dev/releases/2026-10-07/raw/m-raw-015_natera_normal_input_dna.bam.bai",
      "storage": "external",
      "format": "BAI",
      "reference_build": "GRCh37_hs37d5",
      "bytes": 4293312,
      "sha256": "920e472e573b2d6388cf32ec53cfd70373509ae46cde8231f63a453acc1304c7",
      "record_count": null,
      "role": "BAM_index",
      "companion_file_id": "M-RAW-015",
      "generated_from_release_file_id": "M-RAW-015",
      "preparation_status": "verified_for_release",
      "availability": "verified_public_download",
      "included_in_release": true,
      "sequence_reads": false,
      "public_read_without_credentials": true,
      "verified_at": "2026-10-07T18:04:10.942780+00:00",
      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved file; anonymous HEAD, byte-range and CORS checks passed.",
      "data_record_preservation": "Regenerated and checked against released BAM.",
      "metadata_transform": "Index regenerated from the released companion BAM.",
      "purpose_and_limitations": "Sequencing file role verified from retained analysis records. Physical source material and collection date remain unconfirmed; normal input does not imply blood. Reference dictionary matches GRCh37/hs37d5; original reference MD5s were not supplied.",
      "license_status": "per_dataset_release_policy",
      "provider_id": "natera",
      "provider": "Natera",
      "assay_label": "Natera matched-normal exome",
      "specimens": [
        {
          "sample_id": "M-SAMPLE-005",
          "label": "Natera matched-normal exome specimen",
          "anatomical_site": "not_confirmed",
          "role": "matched_normal",
          "collection_date": null,
          "date_precision": "unknown",
          "preservation": "not_confirmed",
          "provenance_status": "file_role_verified_from_retained_analysis_records",
          "source_ids": [
            "M-SOURCE-006",
            "M-SOURCE-007",
            "M-SOURCE-012"
          ],
          "notes": "Sequencing file role verified as matched normal from retained analysis records. Physical source material and collection date remain unconfirmed."
        }
      ],
      "source_ids": [
        "M-SOURCE-009",
        "M-SOURCE-012"
      ],
      "provenance_summary": "Sequencing file role verified from retained analysis records; physical source and collection date remain unconfirmed. No new biological analysis or clinical interpretation performed. GRCh37/hs37d5 dictionary confirmed from sequence names and lengths; no original reference MD5 values supplied. Physical source and collection date remain unconfirmed; normal input does not imply blood."
    },
    {
      "release_file_id": "M-RAW-017",
      "source_file_id": "M-FILE-010",
      "generated_from_source_file_id": "M-FILE-010",
      "assay_id": "M-ASSAY-001",
      "sample_ids": [
        "M-SAMPLE-001"
      ],
      "data_class": "aligned_sequence_reads",
      "filename": "m-raw-017_caris_primary_tumour_dna.bam",
      "path": null,
      "download_url": "https://alexander-young-cancer-data.alextisyoung.workers.dev/releases/2026-10-07/raw/m-raw-017_caris_primary_tumour_dna.bam",
      "storage": "external",
      "format": "BAM",
      "reference_build": "hg38_custom_masked_noHap",
      "reference_details": {
        "reference_build": "hg38_custom_masked_noHap",
        "reference_fasta_basename": "hg38.pU2AF1_Y_PAR_masked.noHap.fa",
        "source_header_contig_count": 152,
        "source_reference_MD5_entries_present": 0,
        "interpretation": "Custom masked hg38 reference identified by vendor processing metadata; obtain the exact FASTA/checksum for reanalysis."
      },
      "bytes": 12301791569,
      "sha256": "3636d66e00a9efbc7ff2c1fb08d96ecd1a3d24d4c7748041e94cb95068c8f693",
      "record_count": 291350769,
      "role": "tumour_DNA_alignment",
      "companion_file_id": "M-RAW-018",
      "generated_from_release_file_id": null,
      "source_relationship": "metadata_sanitized_alignment",
      "preparation_status": "verified_for_release",
      "availability": "verified_public_download",
      "included_in_release": true,
      "sequence_reads": true,
      "public_read_without_credentials": true,
      "verified_at": "2026-10-07T23:07:38.266341+00:00",
      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved local file; anonymous HEAD, range and CORS passed.",
      "data_record_preservation": "Complete source/output scientific record digests match across 291,350,769 alignments; all non-RG alignment content retained.",
      "metadata_transform": "Private header metadata removed; read groups replaced with public identifiers; original reference dictionary retained.",
      "purpose_and_limitations": "Custom masked hg38 reference; exact FASTA/checksum required for reproducible reanalysis. File mapping is specimen-level; exact block/aliquot remains unconfirmed.",
      "license_status": "per_dataset_release_policy",
      "provider_id": "caris",
      "provider": "Caris",
      "group": "Raw sequencing",
      "title": "Caris primary rectal tumour DNA alignment",
      "description": "DNA alignment from the initial rectal biopsy; report collection date 27 March 2024.",
      "specimens": [
        {
          "sample_id": "M-SAMPLE-001",
          "label": "Initial rectal primary biopsy",
          "anatomical_site": "rectum",
          "role": "primary_tumour",
          "collection_date": "2024-03-27",
          "date_precision": "day",
          "preservation": "FFPE_reported",
          "provenance_status": "primary_Caris_report_confirmed",
          "source_ids": [
            "M-SOURCE-001",
            "M-SOURCE-006"
          ],
          "notes": "Rectal biopsy collected 27 March 2024; Caris report issued 3 June 2026. The molecular testing date is not the biopsy date."
        }
      ],
      "assay_label": "Caris primary DNA",
      "source_ids": [
        "M-SOURCE-001",
        "M-SOURCE-006",
        "M-SOURCE-009"
      ],
      "related_report_ids": [
        "RPT-CARIS"
      ],
      "provenance_summary": "Mapped to the initial rectal biopsy collected 27 March 2024, at specimen level. Exact source BAM block/aliquot mapping remains unconfirmed.",
      "preparation": "All non-RG alignment record content preserved; read-group/header metadata sanitized.",
      "browse_modality": "dna",
      "browse_type": "Tumour DNA alignments and indexes"
    },
    {
      "release_file_id": "M-RAW-018",
      "source_file_id": null,
      "generated_from_source_file_id": "M-FILE-010",
      "assay_id": "M-ASSAY-001",
      "sample_ids": [
        "M-SAMPLE-001"
      ],
      "data_class": "alignment_index",
      "filename": "m-raw-017_caris_primary_tumour_dna.bam.bai",
      "path": null,
      "download_url": "https://alexander-young-cancer-data.alextisyoung.workers.dev/releases/2026-10-07/raw/m-raw-017_caris_primary_tumour_dna.bam.bai",
      "storage": "external",
      "format": "BAI",
      "reference_build": "hg38_custom_masked_noHap",
      "reference_details": {
        "reference_build": "hg38_custom_masked_noHap",
        "reference_fasta_basename": "hg38.pU2AF1_Y_PAR_masked.noHap.fa",
        "source_header_contig_count": 152,
        "source_reference_MD5_entries_present": 0,
        "interpretation": "Custom masked hg38 reference identified by vendor processing metadata; obtain the exact FASTA/checksum for reanalysis."
      },
      "bytes": 4221952,
      "sha256": "804dbdc5e83c1f049447496359b7ec8d0d69443cb799267b4f78dfab9cc7dd06",
      "record_count": null,
      "role": "BAM_index",
      "companion_file_id": "M-RAW-017",
      "generated_from_release_file_id": "M-RAW-017",
      "source_relationship": "regenerated_index",
      "preparation_status": "verified_for_release",
      "availability": "verified_public_download",
      "included_in_release": true,
      "sequence_reads": false,
      "public_read_without_credentials": true,
      "verified_at": "2026-10-07T23:07:40.347901+00:00",
      "integrity_verification": "Full authenticated and anonymous SHA-256 readbacks match the approved local file; anonymous HEAD, range and CORS passed.",
      "data_record_preservation": "Regenerated index checked against all 291,350,769 BAM records.",
      "metadata_transform": "Index regenerated from the prepared BAM.",
      "purpose_and_limitations": "Custom masked hg38 reference; exact FASTA/checksum required for reproducible reanalysis. File mapping is specimen-level; exact block/aliquot remains unconfirmed.",
      "license_status": "per_dataset_release_policy",
      "provider_id": "caris",
      "provider": "Caris",
      "group": "Raw sequencing",
      "title": "Caris primary rectal tumour DNA alignment index",
      "description": "Regenerated index for the matching primary rectal tumour DNA BAM.",
      "specimens": [
        {
          "sample_id": "M-SAMPLE-001",
          "label": "Initial rectal primary biopsy",
          "anatomical_site": "rectum",
          "role": "primary_tumour",
          "collection_date": "2024-03-27",
          "date_precision": "day",
          "preservation": "FFPE_reported",
          "provenance_status": "primary_Caris_report_confirmed",
          "source_ids": [
            "M-SOURCE-001",
            "M-SOURCE-006"
          ],
          "notes": "Rectal biopsy collected 27 March 2024; Caris report issued 3 June 2026. The molecular testing date is not the biopsy date."
        }
      ],
      "assay_label": "Caris primary DNA",
      "source_ids": [
        "M-SOURCE-001",
        "M-SOURCE-006",
        "M-SOURCE-009"
      ],
      "related_report_ids": [
        "RPT-CARIS"
      ],
      "provenance_summary": "Mapped to the initial rectal biopsy collected 27 March 2024, at specimen level. Exact source BAM block/aliquot mapping remains unconfirmed.",
      "preparation": "Regenerated and checked against the prepared BAM.",
      "browse_modality": "dna",
      "browse_type": "Tumour DNA alignments and indexes"
    }
  ],
  "updated": "2026-10-07",
  "status": "release_1.4"
}
