{"statement_id":"st_6f40c81c79981cdc2a88","subject":{"kind":"organization","slug":"sierra","name":"Sierra","url":"https://sourcetier.com/vendors/sierra"},"attribute":{"key":"founded_year","label":"Founded","unit":null,"core":true},"scope":null,"region":null,"first_recorded_at":"2026-09-02T00:14:48.697Z","current":{"claim_id":"06e7b285-352f-4169-b6a8-eba07c6c69aa","value":2023,"unit":null,"verification_state":"verified","confidence_recorded":90,"observed_on":"2026-09-02","recorded_at":"2026-09-02T00:14:48.697Z","ended_at":null,"ended_by":null,"superseded_by_claim_id":null,"withdrawal_reason":null,"valid_from":null,"extraction":"jsonld:organization.foundingDate","reader":"structured data on the page (JSON-LD)","parser_version":null,"method":null,"excerpt":"{\"@id\":\"https://sierra.ai/#organization\",\"url\":\"https://sierra.ai\",\"logo\":\"https://sierra.ai/icon.png\",\"name\":\"Sierra\",\"@type\":\"Organization\",\"sameAs\":[\"https://www.linkedin.com/company/sierra\",\"https://x.com/sierraplatform\",\"https://www.yo","sources":[{"url":"https://sierra.ai/","tier":1,"type":"official_documentation","retrieved_on":"2026-09-02","role":"evidence"},{"url":"https://sierra.ai/","tier":1,"type":"official_documentation","retrieved_on":"2026-09-13","role":"evidence"},{"url":"https://sierra.ai/","tier":1,"type":"official_documentation","retrieved_on":"2026-10-02","role":"evidence"}]},"version_count":1,"versions":[{"claim_id":"06e7b285-352f-4169-b6a8-eba07c6c69aa","value":2023,"unit":null,"verification_state":"verified","confidence_recorded":90,"observed_on":"2026-09-02","recorded_at":"2026-09-02T00:14:48.697Z","ended_at":null,"ended_by":null,"superseded_by_claim_id":null,"withdrawal_reason":null,"valid_from":null,"extraction":"jsonld:organization.foundingDate","reader":"structured data on the page (JSON-LD)","parser_version":null,"method":null,"excerpt":"{\"@id\":\"https://sierra.ai/#organization\",\"url\":\"https://sierra.ai\",\"logo\":\"https://sierra.ai/icon.png\",\"name\":\"Sierra\",\"@type\":\"Organization\",\"sameAs\":[\"https://www.linkedin.com/company/sierra\",\"https://x.com/sierraplatform\",\"https://www.yo","sources":[{"url":"https://sierra.ai/","tier":1,"type":"official_documentation","retrieved_on":"2026-09-02","role":"evidence"},{"url":"https://sierra.ai/","tier":1,"type":"official_documentation","retrieved_on":"2026-09-13","role":"evidence"},{"url":"https://sierra.ai/","tier":1,"type":"official_documentation","retrieved_on":"2026-10-02","role":"evidence"}]}],"changes":[{"id":"389","type":"documented","label":"First documented","material":true,"sentence":"Sierra: Founded documented as 2023 (verified). A first finding of ours, not a change at the vendor.","noticed_at":"2026-09-02T00:14:48.697Z","subject":{"kind":"organization","slug":"sierra","name":"Sierra"},"before":null,"after":{"value":2023,"verification_state":"verified","confidence":90},"claim_id":"06e7b285-352f-4169-b6a8-eba07c6c69aa","statement_id":"st_6f40c81c79981cdc2a88","corrected":null}],"page_url":"https://sourcetier.com/statements/st_6f40c81c79981cdc2a88","contract":"A statement is the question a claim answers: one subject, one attribute, one scope and region. statement_id stays the same when a new value supersedes the old one, when we withdraw it and when two duplicate entities are merged (the old id then redirects). claim_id identifies one version. versions lists every version oldest first; ended_by is superseded, withdrawn or null for the current one. confidence_recorded is the confidence stored when that version was written, not a recomputation. unknown describes our research, never the product."}