{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:OLJQAUTSX367ULQWOTZEF44GUS","short_pith_number":"pith:OLJQAUTS","canonical_record":{"source":{"id":"1302.0563","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T01:25:03Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"10178e28d597b4f83bcb99e53023a150f727976e5c15326a0da8e0aeecf98dbc","abstract_canon_sha256":"c87a71fd3fe99b16031c5e0c4b1490ea4fffc1d3b0a6d82f8567dbcd1570d9d5"},"schema_version":"1.0"},"canonical_sha256":"72d3005272befdfa2e1674f242f386a4bcbf4b0cfd846dd2cc31ef8b99e4d6f8","source":{"kind":"arxiv","id":"1302.0563","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0563","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0563v2","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0563","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"OLJQAUTSX367","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OLJQAUTSX367ULQW","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OLJQAUTS","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:OLJQAUTSX367ULQWOTZEF44GUS","target":"record","payload":{"canonical_record":{"source":{"id":"1302.0563","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T01:25:03Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"10178e28d597b4f83bcb99e53023a150f727976e5c15326a0da8e0aeecf98dbc","abstract_canon_sha256":"c87a71fd3fe99b16031c5e0c4b1490ea4fffc1d3b0a6d82f8567dbcd1570d9d5"},"schema_version":"1.0"},"canonical_sha256":"72d3005272befdfa2e1674f242f386a4bcbf4b0cfd846dd2cc31ef8b99e4d6f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:50.946288Z","signature_b64":"NFWsM2ngd3GDBvNhELS3EEiRwM4G4H8c9AciDUdff9NEVT1Px7Ie9UfT5F3B44jOTYWeZuoZfJjik5AhvIc7AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72d3005272befdfa2e1674f242f386a4bcbf4b0cfd846dd2cc31ef8b99e4d6f8","last_reissued_at":"2026-05-18T01:51:50.945661Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:50.945661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.0563","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":"2026-05-18T01:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IRtVDCajoTTaoeaJeT7SeI60ucWpquu+WF5XQG7o+ErpKYeo7Y0KnxUT6/aQKNf0w/ctl4Btjw0JTloSkK0yAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:21:57.237009Z"},"content_sha256":"0a121ce8b0f2411f565367eb17f3a2ca349f2aea5c6aa15e44f9e232adbb327f","schema_version":"1.0","event_id":"sha256:0a121ce8b0f2411f565367eb17f3a2ca349f2aea5c6aa15e44f9e232adbb327f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:OLJQAUTSX367ULQWOTZEF44GUS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Triple-Star Candidates Among the Kepler Binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A. Levine, B. Kalomeni, I. El Mellah, J. Carter, K. Deck, R. Sanchis-Ojeda, S. Rappaport, T. Borkovits","submitted_at":"2013-02-04T01:25:03Z","abstract_excerpt":"We present the results of a search through the photometric database of eclipsing Kepler binaries (Prsa et al. 2011; Slawson et al. 2011) looking for evidence of hierarchical triple star systems. The presence of a third star orbiting the binary can be inferred from eclipse timing variations. We apply a simple algorithm in an automated determination of the eclipse times for all 2157 binaries. The \"calculated\" eclipse times, based on a constant period model, are subtracted from those observed. The resulting O-C (observed minus calculated times) curves are then visually inspected for periodicities"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0563","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":"2026-05-18T01:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bu9DeDF97LvsDG9FEI+y1hFteC2HGM//5G2ipJRk0D/IUkK8yO14YFuFLUxA2mA0ciExh8imX7to+NNTGBXkDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:21:57.237379Z"},"content_sha256":"a34a74c2371c196b782499a96d66e353df4a47ef8088f0fc6cf12aaf2bc10d81","schema_version":"1.0","event_id":"sha256:a34a74c2371c196b782499a96d66e353df4a47ef8088f0fc6cf12aaf2bc10d81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OLJQAUTSX367ULQWOTZEF44GUS/bundle.json","state_url":"https://pith.science/pith/OLJQAUTSX367ULQWOTZEF44GUS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OLJQAUTSX367ULQWOTZEF44GUS/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":"2026-06-04T13:21:57Z","links":{"resolver":"https://pith.science/pith/OLJQAUTSX367ULQWOTZEF44GUS","bundle":"https://pith.science/pith/OLJQAUTSX367ULQWOTZEF44GUS/bundle.json","state":"https://pith.science/pith/OLJQAUTSX367ULQWOTZEF44GUS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OLJQAUTSX367ULQWOTZEF44GUS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:OLJQAUTSX367ULQWOTZEF44GUS","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":"c87a71fd3fe99b16031c5e0c4b1490ea4fffc1d3b0a6d82f8567dbcd1570d9d5","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T01:25:03Z","title_canon_sha256":"10178e28d597b4f83bcb99e53023a150f727976e5c15326a0da8e0aeecf98dbc"},"schema_version":"1.0","source":{"id":"1302.0563","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0563","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0563v2","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0563","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"OLJQAUTSX367","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OLJQAUTSX367ULQW","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OLJQAUTS","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:a34a74c2371c196b782499a96d66e353df4a47ef8088f0fc6cf12aaf2bc10d81","target":"graph","created_at":"2026-05-18T01:51:50Z","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 the results of a search through the photometric database of eclipsing Kepler binaries (Prsa et al. 2011; Slawson et al. 2011) looking for evidence of hierarchical triple star systems. The presence of a third star orbiting the binary can be inferred from eclipse timing variations. We apply a simple algorithm in an automated determination of the eclipse times for all 2157 binaries. The \"calculated\" eclipse times, based on a constant period model, are subtracted from those observed. The resulting O-C (observed minus calculated times) curves are then visually inspected for periodicities","authors_text":"A. Levine, B. Kalomeni, I. El Mellah, J. Carter, K. Deck, R. Sanchis-Ojeda, S. Rappaport, T. Borkovits","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T01:25:03Z","title":"Triple-Star Candidates Among the Kepler Binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0563","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":"sha256:0a121ce8b0f2411f565367eb17f3a2ca349f2aea5c6aa15e44f9e232adbb327f","target":"record","created_at":"2026-05-18T01:51:50Z","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":"c87a71fd3fe99b16031c5e0c4b1490ea4fffc1d3b0a6d82f8567dbcd1570d9d5","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T01:25:03Z","title_canon_sha256":"10178e28d597b4f83bcb99e53023a150f727976e5c15326a0da8e0aeecf98dbc"},"schema_version":"1.0","source":{"id":"1302.0563","kind":"arxiv","version":2}},"canonical_sha256":"72d3005272befdfa2e1674f242f386a4bcbf4b0cfd846dd2cc31ef8b99e4d6f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72d3005272befdfa2e1674f242f386a4bcbf4b0cfd846dd2cc31ef8b99e4d6f8","first_computed_at":"2026-05-18T01:51:50.945661Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:50.945661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NFWsM2ngd3GDBvNhELS3EEiRwM4G4H8c9AciDUdff9NEVT1Px7Ie9UfT5F3B44jOTYWeZuoZfJjik5AhvIc7AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:50.946288Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.0563","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a121ce8b0f2411f565367eb17f3a2ca349f2aea5c6aa15e44f9e232adbb327f","sha256:a34a74c2371c196b782499a96d66e353df4a47ef8088f0fc6cf12aaf2bc10d81"],"state_sha256":"d2daeecec77a1bfd50afe63a0760541bf11eca503f7d2b89d5b2c5cabb77ad25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZISdxzz3HJDhYR7OCAJTZ9CJx2/4V+dvZiuwdCyAj5nslo0H0W1ZPejCBryAmr79zQi9IImozRigh3Tv4irfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T13:21:57.239389Z","bundle_sha256":"9bc0d54e705ef9a2619450f72c46ad05420196403fa08283ec7ba04841bc25fc"}}