{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TV3566NP67HXHDEMLNM3VUPNDD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"00833486f1d6962172b3b732ad65830eb4cf8ccae1f2fb98ad7819dedd1f5f63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-08T21:00:03Z","title_canon_sha256":"b63dd7b62d22afb98c03b27fde790b67d209f30cd80cc4dff34fae4569b60cf8"},"schema_version":"1.0","source":{"id":"1412.2753","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.2753","created_at":"2026-05-18T01:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1412.2753v1","created_at":"2026-05-18T01:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.2753","created_at":"2026-05-18T01:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"TV3566NP67HX","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"TV3566NP67HXHDEM","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"TV3566NP","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:5b6d643b1317d9305c9799aaf83d56b88f1f5a97fa1a1aa94d16be7e4d8497f8","target":"graph","created_at":"2026-05-18T01:41:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present our analysis of simulated data in order to derive a detection threshold which can be used in the pre-whitening process of amplitude spectra. In case of ground-based data of pulsating stars, this threshold is conventionally taken to be four times the mean noise level in an amplitude spectrum. This threshold is questionable when space-based data are analyzed. Our effort is aimed at revising this threshold in the case of continuous 90-day Kepler K2 phase observations. Our result clearly shows that a 95% confidence level, common for ground observations, can be reached at 5.4 times the m","authors_text":"A.S.Baran, B.Pokrzywka, C.Koen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-08T21:00:03Z","title":"A detection threshold in the amplitude spectra calculated from Kepler data obtained during K2 mission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.2753","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7842a2eafd2c024ea915c9ae872add4d9b9c70fb2e5f119c308fdbdd65f744be","target":"record","created_at":"2026-05-18T01:41:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"00833486f1d6962172b3b732ad65830eb4cf8ccae1f2fb98ad7819dedd1f5f63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-08T21:00:03Z","title_canon_sha256":"b63dd7b62d22afb98c03b27fde790b67d209f30cd80cc4dff34fae4569b60cf8"},"schema_version":"1.0","source":{"id":"1412.2753","kind":"arxiv","version":1}},"canonical_sha256":"9d77df79aff7cf738c8c5b59bad1ed18d66d04dd8f1a87b71780522fa5eca84f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d77df79aff7cf738c8c5b59bad1ed18d66d04dd8f1a87b71780522fa5eca84f","first_computed_at":"2026-05-18T01:41:20.720013Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:20.720013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4wW5UYZucSyZtseN5JVUcRq37PrR70r6ifTnbsi0tag4yAwjPMk4yPfClZCygk+s1LlKwmyFnRxaWPCojfI/Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:20.720709Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.2753","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7842a2eafd2c024ea915c9ae872add4d9b9c70fb2e5f119c308fdbdd65f744be","sha256:5b6d643b1317d9305c9799aaf83d56b88f1f5a97fa1a1aa94d16be7e4d8497f8"],"state_sha256":"d4f003ccdb3102d6e60a9e5d956dc1023a1c0d3db74c87ba89c6f54e77256cc9"}