{"sku":"streamgage-observation-record","label":"30-Day Streamgage Publication-Difference Observation Record","amount_cents":24900,"cadence":"one_time","for_sale":true,"withdrawn":null,"summary":"A retrospective PDF and CSV for 1 to 10 public USGS-authored site numbers, preserving trustworthy sealed reads and every comparison gap.","delivers":["One retrospective 30-day window with at least 25 trustworthy daily seals","Coverage for 1 to 10 preflighted USGS-authored streamgage site numbers","PDF methods record plus row-level CSV","Source URLs, retrieval times, qualifiers, values, and canonical row hashes","Closed comparison states with multi-axis difference labels","Delivery within three business days after qualified scope and payment"],"checkout_armed":false,"request_url":"https://permits.ustechautomations.com/public/offers/streamgage-observation-record/request","contact_attribution":{"contract":"product-specific contact to L0 Opportunity","path_id":"streamgage-observation-record:scope:contact","hypothesis_id":"h-streamgage-observation-record-offer-2026-08","artifact_id":"streamgage-observation-record-offer-v1","cutover_at":"2026-08-02T07:10:00Z","archetype":"diff-sentinel","data_type":"time-series-numeric","geo_level":"us-state","cta_contract_id":"permits-offer:streamgage-observation-record:primary","proof_url":"https://permits.ustechautomations.com/public/offers/streamgage-observation-record","proof_occurred_at":"2026-08-02T07:10:00Z"},"sample":null,"sample_status":{"state":"UNKNOWN","reason":"The catalog points to a specimen, but its compiled artifact cannot be read. No current proof is asserted."}}