{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QFNXFODNJZLXNLOB7LVUNV4QV3","short_pith_number":"pith:QFNXFODN","canonical_record":{"source":{"id":"1510.05465","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-19T13:23:57Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"29d90b65fa211d7321eaebf7871893bd5859bdcec69219d391ed6dbadf40e919","abstract_canon_sha256":"8c58f591ee16f7a76f87add15b79e90d736ff7b62ae6377120e529a82c09c6db"},"schema_version":"1.0"},"canonical_sha256":"815b72b86d4e5776adc1faeb46d790aef13ec7b8a12416287202c50314861e61","source":{"kind":"arxiv","id":"1510.05465","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05465","created_at":"2026-05-18T01:24:51Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05465v2","created_at":"2026-05-18T01:24:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05465","created_at":"2026-05-18T01:24:51Z"},{"alias_kind":"pith_short_12","alias_value":"QFNXFODNJZLX","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QFNXFODNJZLXNLOB","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QFNXFODN","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QFNXFODNJZLXNLOB7LVUNV4QV3","target":"record","payload":{"canonical_record":{"source":{"id":"1510.05465","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-19T13:23:57Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"29d90b65fa211d7321eaebf7871893bd5859bdcec69219d391ed6dbadf40e919","abstract_canon_sha256":"8c58f591ee16f7a76f87add15b79e90d736ff7b62ae6377120e529a82c09c6db"},"schema_version":"1.0"},"canonical_sha256":"815b72b86d4e5776adc1faeb46d790aef13ec7b8a12416287202c50314861e61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:51.502303Z","signature_b64":"Y4osYxofHKU+zGgT8Bbdd36LEtn80CT0oe/GiP0D5S+JQGLc9UOhxX1L1kGrKSCepag4AAA6C1r2Q0+bUlimCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"815b72b86d4e5776adc1faeb46d790aef13ec7b8a12416287202c50314861e61","last_reissued_at":"2026-05-18T01:24:51.501488Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:51.501488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.05465","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CFQT3fo3aNUGE1wW1DYqSgzy+qoBYRcxkAAuwp91T6HN5gElYJ68Lsy1uu5pCMnDJCosnRH8+2RDEK2Z+JHbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:37:49.133855Z"},"content_sha256":"12edcafbf7db1a0405c811db664648885fb05578200499e2630c813bfefa5a82","schema_version":"1.0","event_id":"sha256:12edcafbf7db1a0405c811db664648885fb05578200499e2630c813bfefa5a82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QFNXFODNJZLXNLOB7LVUNV4QV3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"BEER analysis of Kepler and CoRoT light curves: IV. Discovery of four new low-mass white dwarf companions in the Kepler data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"David W. Latham, Flavien Kiefer, Ilya Kull, Simchon Faigler, Steven Bloemen, Tsevi Mazeh","submitted_at":"2015-10-19T13:23:57Z","abstract_excerpt":"We report the discovery of four short-period eclipsing systems in the Kepler light curves, consisting of an A-star primary and a low-mass white dwarf (WD) secondary (dA+WD) - KIC 4169521, KOI-3818, KIC 2851474, and KIC 9285587. The systems show BEaming, Ellipsoidal and Reflection (BEER) phase modulations together with primary and secondary eclipses. These add to the 6 Kepler and 18 WASP short-period eclipsing dA+WD binaries that were previously known. The light curves, together with follow-up spectroscopic observations, allow us to derive the masses, radii, and effective temperatures of the tw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05465","kind":"arxiv","version":2},"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":"2026-05-18T01:24:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qmZDLtcqFGv2G9/w32+P77xFfwMslLMlb4MDv4KrSK2FT0s+qZD2vbKJpgM3WxXvdw0NZYNGHdwBmgMtLJO8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:37:49.134219Z"},"content_sha256":"fb146cd9e4d570e913c7dc684aa8b620cfd32832567a49ef292354705dad61cf","schema_version":"1.0","event_id":"sha256:fb146cd9e4d570e913c7dc684aa8b620cfd32832567a49ef292354705dad61cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QFNXFODNJZLXNLOB7LVUNV4QV3/bundle.json","state_url":"https://pith.science/pith/QFNXFODNJZLXNLOB7LVUNV4QV3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QFNXFODNJZLXNLOB7LVUNV4QV3/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":"2026-06-01T06:37:49Z","links":{"resolver":"https://pith.science/pith/QFNXFODNJZLXNLOB7LVUNV4QV3","bundle":"https://pith.science/pith/QFNXFODNJZLXNLOB7LVUNV4QV3/bundle.json","state":"https://pith.science/pith/QFNXFODNJZLXNLOB7LVUNV4QV3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QFNXFODNJZLXNLOB7LVUNV4QV3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QFNXFODNJZLXNLOB7LVUNV4QV3","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":"8c58f591ee16f7a76f87add15b79e90d736ff7b62ae6377120e529a82c09c6db","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-19T13:23:57Z","title_canon_sha256":"29d90b65fa211d7321eaebf7871893bd5859bdcec69219d391ed6dbadf40e919"},"schema_version":"1.0","source":{"id":"1510.05465","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05465","created_at":"2026-05-18T01:24:51Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05465v2","created_at":"2026-05-18T01:24:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05465","created_at":"2026-05-18T01:24:51Z"},{"alias_kind":"pith_short_12","alias_value":"QFNXFODNJZLX","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QFNXFODNJZLXNLOB","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QFNXFODN","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:fb146cd9e4d570e913c7dc684aa8b620cfd32832567a49ef292354705dad61cf","target":"graph","created_at":"2026-05-18T01:24:51Z","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 report the discovery of four short-period eclipsing systems in the Kepler light curves, consisting of an A-star primary and a low-mass white dwarf (WD) secondary (dA+WD) - KIC 4169521, KOI-3818, KIC 2851474, and KIC 9285587. The systems show BEaming, Ellipsoidal and Reflection (BEER) phase modulations together with primary and secondary eclipses. These add to the 6 Kepler and 18 WASP short-period eclipsing dA+WD binaries that were previously known. The light curves, together with follow-up spectroscopic observations, allow us to derive the masses, radii, and effective temperatures of the tw","authors_text":"David W. Latham, Flavien Kiefer, Ilya Kull, Simchon Faigler, Steven Bloemen, Tsevi Mazeh","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-19T13:23:57Z","title":"BEER analysis of Kepler and CoRoT light curves: IV. Discovery of four new low-mass white dwarf companions in the Kepler data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05465","kind":"arxiv","version":2},"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":"sha256:12edcafbf7db1a0405c811db664648885fb05578200499e2630c813bfefa5a82","target":"record","created_at":"2026-05-18T01:24:51Z","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":"8c58f591ee16f7a76f87add15b79e90d736ff7b62ae6377120e529a82c09c6db","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-19T13:23:57Z","title_canon_sha256":"29d90b65fa211d7321eaebf7871893bd5859bdcec69219d391ed6dbadf40e919"},"schema_version":"1.0","source":{"id":"1510.05465","kind":"arxiv","version":2}},"canonical_sha256":"815b72b86d4e5776adc1faeb46d790aef13ec7b8a12416287202c50314861e61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"815b72b86d4e5776adc1faeb46d790aef13ec7b8a12416287202c50314861e61","first_computed_at":"2026-05-18T01:24:51.501488Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:51.501488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y4osYxofHKU+zGgT8Bbdd36LEtn80CT0oe/GiP0D5S+JQGLc9UOhxX1L1kGrKSCepag4AAA6C1r2Q0+bUlimCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:51.502303Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.05465","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12edcafbf7db1a0405c811db664648885fb05578200499e2630c813bfefa5a82","sha256:fb146cd9e4d570e913c7dc684aa8b620cfd32832567a49ef292354705dad61cf"],"state_sha256":"591823c3287790b921d118b69c6b7d8a1f1f7cfb05a4e6edc7db4b4a3118b9c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwcsnGuN4uLICs0PKfR0O3Hly8tZTRs3lC4jw/WaTqtj1p95ARd00SyYFm5pQbAnWtcRrZhVaGaH1jllOIT2DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:37:49.136406Z","bundle_sha256":"ab3f772fc48e95516cd0e128fba2f009159fc04e4dc0ba002cb6b445b38776e8"}}