{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HYYZRDU6O5EU4S5X4JQHWCC6BA","short_pith_number":"pith:HYYZRDU6","canonical_record":{"source":{"id":"1210.8432","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-31T18:36:07Z","cross_cats_sorted":[],"title_canon_sha256":"da81a25de04dac6d25b0d8d0b90de09ba34fbc5f696f1f10f3fdba66a1bc25ff","abstract_canon_sha256":"20ccf7d8b05dd792449c6a22fe2035de8a4b9e900df3ede32b994c969478e9f0"},"schema_version":"1.0"},"canonical_sha256":"3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36","source":{"kind":"arxiv","id":"1210.8432","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.8432","created_at":"2026-05-18T01:53:28Z"},{"alias_kind":"arxiv_version","alias_value":"1210.8432v1","created_at":"2026-05-18T01:53:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.8432","created_at":"2026-05-18T01:53:28Z"},{"alias_kind":"pith_short_12","alias_value":"HYYZRDU6O5EU","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HYYZRDU6O5EU4S5X","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HYYZRDU6","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HYYZRDU6O5EU4S5X4JQHWCC6BA","target":"record","payload":{"canonical_record":{"source":{"id":"1210.8432","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-31T18:36:07Z","cross_cats_sorted":[],"title_canon_sha256":"da81a25de04dac6d25b0d8d0b90de09ba34fbc5f696f1f10f3fdba66a1bc25ff","abstract_canon_sha256":"20ccf7d8b05dd792449c6a22fe2035de8a4b9e900df3ede32b994c969478e9f0"},"schema_version":"1.0"},"canonical_sha256":"3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:28.680479Z","signature_b64":"EzdhoK97BN6sYtwqytgldeD7PkNwST9fhMNRylYXNNkwcH/HqejcIgQ857ZAQdZMqszd+06Jt1Iuv7Nbtg7OAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36","last_reissued_at":"2026-05-18T01:53:28.679847Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:28.679847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.8432","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n7GS4ExPpl6wgsV612P7camGj0uOAjc9cNeFGyQ2CQanDKNoTT7yOGiUnzQJP5SzTYReylz+lWb0W9dXPFdECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:57:21.629565Z"},"content_sha256":"26bb06956d2b37dbae366d53d514d36e31a22877fa2993511d2d6655dd96f63d","schema_version":"1.0","event_id":"sha256:26bb06956d2b37dbae366d53d514d36e31a22877fa2993511d2d6655dd96f63d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HYYZRDU6O5EU4S5X4JQHWCC6BA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-frequency variations of unknown origin in the Kepler Delta Scuti star KIC 5988140 = HD 188774","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Derekas, A. Tkachenko, C. Aerts, H. Lehmann, J. C. Smith, J. Debosscher, J. D. Twicken, N. Kochiashvili, P. G. Beck, P. Lampens, P. Tenenbaum, S. Bloemen","submitted_at":"2012-10-31T18:36:07Z","abstract_excerpt":"We used high-quality Kepler photometry and spectroscopic data to investigate the Kepler binary candidate KIC 5988140. Using the spectrum synthesis method, we derived the fundamental parameters Teff, log g, [M/H], and v.sini and the abundances. Frequency analyses of both the photometric and the spectroscopic data were performed, revealing the same two dominant frequencies (F_1=0.688 and F_2=0.344 c/d). We also detected in the photometry the signal of nine more, significant frequencies located in the typical range of Delta Scuti pulsation. The light and radial velocity curves follow a similar, s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.8432","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NOx3lDAFL8Za3uUAf0Ag4lFYfXWJ2B5qzfjh5uI5xhNaAGpdYjkDm3vO/ZM4ejWdLOuP4pQPbOoSPlkp5o2YAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:57:21.630101Z"},"content_sha256":"dfa64e911edb06f2b82ffea8d568860264311d846486a3c5afce163a54016df7","schema_version":"1.0","event_id":"sha256:dfa64e911edb06f2b82ffea8d568860264311d846486a3c5afce163a54016df7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA/bundle.json","state_url":"https://pith.science/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T02:57:21Z","links":{"resolver":"https://pith.science/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA","bundle":"https://pith.science/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA/bundle.json","state":"https://pith.science/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYYZRDU6O5EU4S5X4JQHWCC6BA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HYYZRDU6O5EU4S5X4JQHWCC6BA","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":"20ccf7d8b05dd792449c6a22fe2035de8a4b9e900df3ede32b994c969478e9f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-31T18:36:07Z","title_canon_sha256":"da81a25de04dac6d25b0d8d0b90de09ba34fbc5f696f1f10f3fdba66a1bc25ff"},"schema_version":"1.0","source":{"id":"1210.8432","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.8432","created_at":"2026-05-18T01:53:28Z"},{"alias_kind":"arxiv_version","alias_value":"1210.8432v1","created_at":"2026-05-18T01:53:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.8432","created_at":"2026-05-18T01:53:28Z"},{"alias_kind":"pith_short_12","alias_value":"HYYZRDU6O5EU","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HYYZRDU6O5EU4S5X","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HYYZRDU6","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:dfa64e911edb06f2b82ffea8d568860264311d846486a3c5afce163a54016df7","target":"graph","created_at":"2026-05-18T01:53:28Z","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 used high-quality Kepler photometry and spectroscopic data to investigate the Kepler binary candidate KIC 5988140. Using the spectrum synthesis method, we derived the fundamental parameters Teff, log g, [M/H], and v.sini and the abundances. Frequency analyses of both the photometric and the spectroscopic data were performed, revealing the same two dominant frequencies (F_1=0.688 and F_2=0.344 c/d). We also detected in the photometry the signal of nine more, significant frequencies located in the typical range of Delta Scuti pulsation. The light and radial velocity curves follow a similar, s","authors_text":"A. Derekas, A. Tkachenko, C. Aerts, H. Lehmann, J. C. Smith, J. Debosscher, J. D. Twicken, N. Kochiashvili, P. G. Beck, P. Lampens, P. Tenenbaum, S. Bloemen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-31T18:36:07Z","title":"Low-frequency variations of unknown origin in the Kepler Delta Scuti star KIC 5988140 = HD 188774"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.8432","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":"sha256:26bb06956d2b37dbae366d53d514d36e31a22877fa2993511d2d6655dd96f63d","target":"record","created_at":"2026-05-18T01:53:28Z","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":"20ccf7d8b05dd792449c6a22fe2035de8a4b9e900df3ede32b994c969478e9f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-31T18:36:07Z","title_canon_sha256":"da81a25de04dac6d25b0d8d0b90de09ba34fbc5f696f1f10f3fdba66a1bc25ff"},"schema_version":"1.0","source":{"id":"1210.8432","kind":"arxiv","version":1}},"canonical_sha256":"3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36","first_computed_at":"2026-05-18T01:53:28.679847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:28.679847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EzdhoK97BN6sYtwqytgldeD7PkNwST9fhMNRylYXNNkwcH/HqejcIgQ857ZAQdZMqszd+06Jt1Iuv7Nbtg7OAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:28.680479Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.8432","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26bb06956d2b37dbae366d53d514d36e31a22877fa2993511d2d6655dd96f63d","sha256:dfa64e911edb06f2b82ffea8d568860264311d846486a3c5afce163a54016df7"],"state_sha256":"677cf1a9c9a0db807c93af28095e3adee7fd59793bcfd98947d4f3262ab075e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"36R/uQbwHIEvtJIuGkMN/h4rfZDtcJT9KHKN3019DmWl49mhyDUbBAT/zODgMbkS96l8iHl6l4N1fQhQ1zK2CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T02:57:21.632754Z","bundle_sha256":"6c58d58afc481b8502788c73af618af096caadb9e6eaffc91f093683d90b41d8"}}