{"sku":"quake-record-attestation","label":"Earthquake record attestation","amount_cents":24900,"cadence":"one_time","summary":"The USGS all-day feed holds 24 hours and is overwritten in place, so the question \"what did the public record say about this event on that date?\" has no answer once the feed rolls. We have sealed one dated copy a day since 2026-06-23 and never rewritten one. Name an event or a date window and we hand you what USGS asserted at each seal we hold, and what changed between them.","delivers":["One attestation file for the event or window you name, as a hosted page you can link or print, plus the CSV behind it","Every value USGS asserted at each seal we hold, with the seal date","What changed between seals, field by field — magnitude, status, depth, place, review state","The source URL, our fetch timestamp, and the content hash of the sealed copy each row came from","An event or date we hold no seal for is reported as unheld, never as an absence of revision"],"checkout_armed":false,"request_url":"https://permits.ustechautomations.com/public/offers/quake-record-attestation/request","contact_attribution":{"contract":"product-specific contact to L0 Opportunity","path_id":"permits-offers:quake-record-attestation:contact","hypothesis_id":"h-quake-record-attestation-priced-offer-2026-08","artifact_id":"permits-offer-quake-record-attestation-v1","cutover_at":"2026-08-02T07:10:00Z","archetype":"one-time-dataset","data_type":"time-series-numeric","geo_level":"global","cta_contract_id":"permits-offer:quake-record-attestation:primary","proof_url":"https://permits.ustechautomations.com/public/offers/quake-record-attestation","proof_occurred_at":"2026-08-02T07:10:00Z"},"sample":{"archive_first_seal":"2026-06-23","archive_last_seal":"2026-08-07","built_at":"2026-08-08T22:24:32Z","calendar_days":46,"consequential_count":6,"denominator_note":"10 revised out of 85 comparable, not out of 10354. An event we sealed once cannot be shown to have changed, and the feed window is 24 hours against a daily seal, so only events near the boundary are ever read twice. Dividing by the total would be a fabricated rate.","events_comparable":85,"events_seen_once":10269,"events_total":10354,"inputs":["The event you need attested — a USGS event id, or a date and a place","The date, or dates, you need the assertion as of"],"marker_moved":16,"method":"The USGS realtime summary feed is a rolling 24-hour window that is overwritten in place, and the catalogue behind it serves the current value of an event, not the value it carried last Tuesday. We seal one immutable row per event per day, so the archive holds what the authoritative source asserted on the day it asserted it. An attestation is a read of those rows. A date we did not seal is named as a gap and never spanned, because a day we did not read is not a day nothing happened.","missing_seals":["2026-07-04","2026-07-15"],"multi_run_dates":[{"date":"2026-07-16","first_run":"2026-07-16T00:48:34+00:00","last_run":"2026-07-16T13:42:07+00:00","runs":2}],"no_sample_reason":"There is no filled-in attestation here because the event is yours. The specimen above is a real event this archive caught being revised, so what the file cannot show you is only which event it will be about.","outputs":["One row per sealed date we hold the event on: magnitude, review status, origin time, epicentre, depth, significance, and USGS's own updated marker, as asserted that day","The fields that moved between two dates, printed before and after","The fetch timestamp and the response hash behind every row","A named list of any date in the range we did not seal","A manifest hashing every file in the delivery"],"revised_count":10,"seals":44,"sku":"quake-record-attestation","specimen":{"changed":[{"after":"1.2","before":"1.1","field":"mag","label":"magnitude"},{"after":"2026-07-05T18:07:25+00:00","before":"2026-07-05T18:07:24+00:00","field":"time","label":"origin time"},{"after":"reviewed","before":"automatic","field":"status","label":"review status"},{"after":"22","before":"19","field":"sig","label":"significance"},{"after":"-102.115","before":"-102.12","field":"longitude","label":"longitude"},{"after":"32.438","before":"32.435","field":"latitude","label":"latitude"},{"after":"7.1045","before":"3.9116","field":"depth_km","label":"depth (km)"},{"after":"M 1.2 - 36 km SSW of Los Ybanez, Texas","before":"M 1.1 - 36 km SSW of Los Ybanez, Texas","field":"title","label":"title"}],"consequential":["mag","status"],"event_id":"tx2026nczjul","first_seal":"2026-07-05","last_seal":"2026-07-06","place":"36 km SSW of Los Ybanez, Texas","seals":2,"usgs_marker_moved":true},"threshold_crossings":0,"threshold_mag":3.5}}