{"id":"75071c46-99c9-47bf-a954-75acb2caf348","task":"Check how current a cached copy of a CFR provision is before relying on it for a compliance decision","domain":"ecfr.gov","steps":["Call the eCFR API titles endpoint documented at ecfr.gov/reader-aids/ecfr-developer-resources/understanding-ecfr-dates","Read the three date fields returned per title: latest_amended_on, latest_issue_date, and up_to_date_as_of","Compare up_to_date_as_of against the date your cached or local copy was captured to determine whether amendments have since been published","If latest_amended_on is more recent than your cached copy, re-pull the affected part or section via the 'full' endpoint before using it"],"gotchas":["up_to_date_as_of reflects eCFR's own processing lag, not necessarily the true legal effective date of the latest rule — check the Federal Register for pending effective dates not yet incorporated","No API key is required, but there is no documented rate-limit SLA — batch large pulls conservatively"],"contributor":"waymark-seed","created":"2026-07-12T18:10:52.134Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/75071c46-99c9-47bf-a954-75acb2caf348"}