{"as_of": "2026-11-13T11:33:48Z", "rubric": {"scale": "0-100 with letter A-F", "letters": {"A": "90-100", "B": "80-89", "C": "70-79", "D": "60-69", "F": "<60"}, "weights": {"freshness": 0.3, "completeness": 0.25, "coverage": 0.2, "uptime": 0.15, "validation": 0.1}, "formulas": {"freshness": "Standing feeds: 100 if age<=promised; linear to 0 at 2*promised; 40 if unmeasured. Live-fetch products: path-health from usage.db last success age (6h+ window) blended with success rate, and/or self-probe success/latency — request-time data, not feed age.", "completeness": "% of declared key_fields non-null (or company avg_completeness)", "coverage": "mean of measured/target ratios clipped to 100", "uptime": "usage.db success rate last 24h (2xx/3xx/402/404=up); else probe_ok 95 / fail 20 / unknown 60", "validation": "ecom: 100*(1-flagged_pct/20); company: avg_completeness; else 100"}, "recompute_every_minutes": 30, "sources_policy": "Public RPCs, redistributable public APIs, SEC EDGAR, Shopify products.json, public HTML/RSS. No Yahoo Finance, CoinGecko/GeckoTerminal, GoPlus, Blockscout, Arkham, Nansen, Whale Alert, Cielo, or Chainalysis."}, "product": {"product": "binance-flows", "title": "Binance exchange flows", "family": "security", "path": "/v1/lookup/binance-flows", "grade": "A", "score": 100.0, "as_of": "2026-11-13T11:33:19Z", "freshness_seconds": 29, "refresh_promised_seconds": 900, "coverage": "chains=5", "coverage_detail": {"chains": {"measured": 5.0, "target": 4, "ratio": 1.25}}, "sources": ["Own multi-chain public-RPC Transfer logs to/from known Binance deposit clusters"], "components": {"freshness": 100.0, "completeness": 100.0, "coverage": 100.0, "uptime": 100.0, "validation": 100.0}, "component_detail": {"freshness": {"age_seconds": 29, "promised_seconds": 900}, "completeness": {"fields_checked": 3, "fields_present": 3, "fields": {"as_of": true, "per_chain": true, "sources": true}}, "coverage": {"chains": {"measured": 5.0, "target": 4, "ratio": 1.25}}, "uptime": {"success_rate_24h": 1.0, "source": "usage.db"}, "validation": {"note": "no extra validation for this product"}}, "probe": {"path": "/v1/free/binance-flows", "http_status": 200}, "notes": null, "last_checked": "2026-11-13T11:33:48Z"}, "sample_checks": {"product": "binance-flows", "status": "ungraded", "match_rate": null, "sample_count": 1, "checked": 0, "matched": 0, "mismatched": 0, "skipped": 0, "errors": 0, "unknown": 1, "self_consistency": {"note": "Same upstream or unsupported claim. Not independent accuracy.", "status": "ungraded", "match_rate": null, "sample_count": 1, "checked": 0, "matched": 0, "mismatched": 0, "skipped": 1, "errors": 0, "unknown": 0}, "limitation": "Announcements are not the net-outflow figure. A transfer we already collected is the same chain data, not an independent check of the aggregate.", "rows": [{"product": "binance-flows", "sample_id": "announcement", "claim": "announcement_equals_net_outflow", "source_relation": "unsupported", "independent": false, "result": "skipped", "reason": "A Binance announcement does not state our 1h or 24h net outflow and is not used as flow truth.", "evidence_at": "2026-11-13T09:00:03Z", "source_url": "https://www.binance.com/en/support/announcement", "tolerance": "not compared", "ours": {}, "evidence": {}}, {"product": "binance-flows", "sample_id": "sampled-transfer", "claim": "public_explorer_sees_transfer", "source_relation": "tx_existence", "independent": true, "result": "unknown", "reason": "no transfer is in the current snapshot; the aggregate is not inferred from an announcement", "evidence_at": "2026-11-13T09:00:03Z", "source_url": null, "tolerance": "one sampled tx id would be looked up; USD totals are not", "ours": {}, "evidence": {}}]}, "data_as_of": {"timestamp_utc": "2026-11-13T11:33:48Z", "unix": 1794569628, "time_source": "as_of", "onchain": true, "block": {"chain": "base", "number": 56896214, "basis": "head_block_at_data_time"}, "blocks": {"base": {"number": 56896214, "basis": "head_block_at_data_time"}, "ethereum": {"number": 26405769, "basis": "head_block_at_data_time"}, "arbitrum": {"number": 523852186, "basis": "head_block_at_data_time"}, "polygon": {"number": 97242776, "basis": "head_block_at_data_time"}, "optimism": {"number": 159485421, "basis": "head_block_at_data_time"}, "bnb": {"number": 133344474, "basis": "head_block_at_data_time"}, "gnosis": {"number": 49257577, "basis": "head_block_at_data_time"}, "solana": {"number": 468911246, "basis": "head_block_at_data_time"}}}, "receipt": {"sha256": "853b5ad8b7a40f26ad33bcfdc51e205936cfcd170252085030046454aaf53811", "hash_of": "UTF-8 JSON of this response with the 'receipt' key removed, keys sorted, separators (',', ':')", "as_of": "2026-11-13T11:33:48Z", "as_of_basis": "from the response", "block": {"chain": "base", "number": 56896214, "basis": "head_block_at_data_time"}, "issued_at": "2026-11-13T11:55:49Z", "route": "/v1/quality/binance-flows", "paid": true, "verify": "/v1/free/receipts/verify?sha256=853b5ad8b7a40f26ad33bcfdc51e205936cfcd170252085030046454aaf53811"}}