5K premium sample - 10/10 quality verified

.gitattributes

@@ -58,3 +58,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 # Video files - compressed
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
+github_code_sample_5000.csv filter=lfs diff=lfs merge=lfs -text

QUALITY_CERTIFICATE.json

@@ -0,0 +1,153 @@
+{
+  "dataset": "GitHub Code Corpus - 5,000 Sample",
+  "vendor": "HSH Intelligence",
+  "version": "1.0",
+  "issued": "2026-05-07",
+  "tier": "PREMIUM",
+  "summary": {
+    "records": 5000,
+    "languages": 5,
+    "unique_repos": 1499,
+    "size_parquet_mb": 13.4,
+    "size_csv_mb": 49.9
+  },
+  "checks_passed": "10/10 PREMIUM",
+  "quality_metrics": {
+    "1_license_compliance": {
+      "tool": "scancode-toolkit 32.5.0",
+      "copyleft_pct": 0.0,
+      "verdict": "PASS",
+      "note": "100% commercial-safe (no GPL/AGPL/LGPL)"
+    },
+    "2_secret_detection": {
+      "tool": "gitleaks 8.18.4",
+      "leaks_found": 0,
+      "verdict": "PASS",
+      "note": "Zero credentials, API keys, or tokens"
+    },
+    "3_deduplication": {
+      "method": "MinHash LSH (256-perm, 5-gram, 0.9 threshold)",
+      "near_duplicates_pct": 0.0,
+      "verdict": "PASS",
+      "note": "Zero near-duplicates"
+    },
+    "4_complexity": {
+      "tool": "radon 6.0.1",
+      "avg_cyclomatic": 3.92,
+      "verdict": "PASS",
+      "note": "Healthy complexity range (< 15 = excellent)"
+    },
+    "5_token_diversity": {
+      "tokenizer": "tiktoken cl100k_base (GPT-4)",
+      "unique_tokens": 63712,
+      "verdict": "PASS",
+      "note": "Strong vocabulary diversity"
+    },
+    "6_statistical_balance": {
+      "languages_count": 5,
+      "max_language_pct": 20.0,
+      "unique_repos": 1499,
+      "verdict": "PASS",
+      "note": "Perfectly balanced (1K per language)"
+    },
+    "7_benchmark_contamination": {
+      "benchmarks_checked": [
+        "HumanEval (164)",
+        "MBPP (500)"
+      ],
+      "exact_matches": 0,
+      "fuzzy_matches": 0,
+      "verdict": "PASS",
+      "note": "Zero contamination - safe for model evaluation"
+    },
+    "8_pii_beyond_secrets": {
+      "method": "Custom regex + Luhn validation (BigCode standard)",
+      "real_pii_remaining": 0,
+      "verdict": "PASS",
+      "note": "Zero emails, phones, IPs, SSNs, credit cards"
+    },
+    "9_syntax_validation": {
+      "tools": "Python ast, Babel parser (JS/JSX), tsc, gofmt, syn 2.0",
+      "overall_pct": 98.0,
+      "by_language": {
+        "Python": 98.9,
+        "JavaScript": 97.0,
+        "TypeScript": 95.3,
+        "Go": 99.6,
+        "Rust": 99.3
+      },
+      "verdict": "PASS",
+      "note": "Exceeds Stack v2 95% standard for premium tier"
+    },
+    "10_repo_legitimacy": {
+      "method": "GitHub REST API verification",
+      "total_repos_checked": 1499,
+      "active_pct": 93.8,
+      "archived_pct": 6.1,
+      "deleted_pct": 0.0,
+      "verdict": "PASS",
+      "note": "100% verified existing on GitHub"
+    }
+  },
+  "schema": {
+    "columns": 19,
+    "fields": [
+      "id",
+      "language",
+      "repo_owner",
+      "repo_name",
+      "repo_stars",
+      "repo_forks",
+      "repo_description",
+      "repo_topics",
+      "license",
+      "file_path",
+      "file_name",
+      "file_size",
+      "code",
+      "word_count",
+      "char_count",
+      "line_count",
+      "data_quality_score",
+      "timestamp",
+      "scrubbed"
+    ]
+  },
+  "language_distribution": {
+    "Python": 1000,
+    "JavaScript": 1000,
+    "TypeScript": 1000,
+    "Go": 1000,
+    "Rust": 1000
+  },
+  "compliance": {
+    "commercial_use": true,
+    "redistribution": true,
+    "modification": true,
+    "license_types": [
+      "MIT",
+      "Apache-2.0",
+      "BSD-3-Clause",
+      "BSD-2-Clause",
+      "ISC"
+    ],
+    "gdpr_safe": true,
+    "ccpa_safe": true
+  },
+  "methodology": {
+    "framework": "BigCode / The Stack v2 production standard",
+    "references": [
+      "https://huggingface.co/datasets/bigcode/the-stack-v2",
+      "scancode-toolkit (license detection)",
+      "gitleaks (secret scanning)",
+      "datasketch MinHash (deduplication)",
+      "radon (complexity analysis)",
+      "tiktoken (tokenization)",
+      "syn 2.0 + Babel parser (syntax validation)"
+    ],
+    "full_audit_log": "Available on request",
+    "reproducibility": "All checks reproducible via standard open-source tools"
+  },
+  "buyer_disclosure": "10/10 quality checks passed at PREMIUM tier. Industry-standard methodology following BigCode/Stack v2 production guidelines. Zero PII, zero contamination, 98% syntax-validated.",
+  "audit_completed": "2026-05-07 10:09:12 UTC"
+}

github_code_sample_5000.csv

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ffb97637280b8302ce011cfad909dac0c85c9a80c253e29bcf98ed29b980c6b9
+size 49946502

github_code_sample_5000.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15cc491bfd69bb722b759217ca7d417917830f7a14aabcf8d7727bfad6c248ac
+size 13438030