{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BEJWZW4PIGY4FCZ6M6PW45D5KA","short_pith_number":"pith:BEJWZW4P","canonical_record":{"source":{"id":"1404.4379","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:27:53Z","cross_cats_sorted":[],"title_canon_sha256":"b2741c24b8f98a4302c4e119c8bdefe093fbbf269d1b8b15d170e0ef3945f5af","abstract_canon_sha256":"4e4e7341302010a20325003232e7e5d5d6df83f554e51892e6ed102f1b9cfce4"},"schema_version":"1.0"},"canonical_sha256":"09136cdb8f41b1c28b3e679f6e747d5011b4026ddd6086964a696b44ddd289a6","source":{"kind":"arxiv","id":"1404.4379","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4379","created_at":"2026-05-18T01:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4379v1","created_at":"2026-05-18T01:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4379","created_at":"2026-05-18T01:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"BEJWZW4PIGY4","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BEJWZW4PIGY4FCZ6","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BEJWZW4P","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BEJWZW4PIGY4FCZ6M6PW45D5KA","target":"record","payload":{"canonical_record":{"source":{"id":"1404.4379","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:27:53Z","cross_cats_sorted":[],"title_canon_sha256":"b2741c24b8f98a4302c4e119c8bdefe093fbbf269d1b8b15d170e0ef3945f5af","abstract_canon_sha256":"4e4e7341302010a20325003232e7e5d5d6df83f554e51892e6ed102f1b9cfce4"},"schema_version":"1.0"},"canonical_sha256":"09136cdb8f41b1c28b3e679f6e747d5011b4026ddd6086964a696b44ddd289a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:29.234365Z","signature_b64":"fLSSIoQZ7dvyp/5LUwCzhqA6pxqjjJk9S/pLlWd6fbWwu3hMC10ArnvkFU+32B/mawOcwIglwvXKLwfWdCGeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09136cdb8f41b1c28b3e679f6e747d5011b4026ddd6086964a696b44ddd289a6","last_reissued_at":"2026-05-18T01:43:29.233867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:29.233867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.4379","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":"2026-05-18T01:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QnW3vtDw3upefgqHCtKCP5oePr2uJCqseVIX04zJdhMB9qPu6y5zCC+uyqK2wPCww5nH0tTYxBMafM1RszwGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:33:14.579099Z"},"content_sha256":"dfe1c12a6ad9b59767c1719a78677d81692bbcc0710483dabe834e4db3fc928f","schema_version":"1.0","event_id":"sha256:dfe1c12a6ad9b59767c1719a78677d81692bbcc0710483dabe834e4db3fc928f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BEJWZW4PIGY4FCZ6M6PW45D5KA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"KOI-3278: A Self-Lensing Binary Star System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Eric Agol, Ethan Kruse","submitted_at":"2014-04-16T20:27:53Z","abstract_excerpt":"Over 40% of Sun-like stars are bound in binary or multistar systems. Stellar remnants in edge-on binary systems can gravitationally magnify their companions, as predicted 40 years ago. By using data from the Kepler spacecraft, we report the detection of such a \"self-lensing\" system, in which a 5-hour pulse of 0.1% amplitude occurs every orbital period. The white dwarf stellar remnant and its Sun-like companion orbit one another every 88.18 days, a long period for a white dwarf-eclipsing binary. By modeling the pulse as gravitational magnification (microlensing) along with Kepler's laws and ste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4379","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":"2026-05-18T01:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RAVEWsBgq8ZS808ElyGbf8Sgoj/7eSZNv9gfE0Lz6cg/e74NwhPZWF05y61woOgZcwiirjIsTctfkNnw15nAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:33:14.579466Z"},"content_sha256":"908523ad33034585fcc9b11b3f9280c825d03c493a34b5dc1f52b150cd219896","schema_version":"1.0","event_id":"sha256:908523ad33034585fcc9b11b3f9280c825d03c493a34b5dc1f52b150cd219896"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA/bundle.json","state_url":"https://pith.science/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA/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":"2026-06-02T10:33:14Z","links":{"resolver":"https://pith.science/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA","bundle":"https://pith.science/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA/bundle.json","state":"https://pith.science/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BEJWZW4PIGY4FCZ6M6PW45D5KA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BEJWZW4PIGY4FCZ6M6PW45D5KA","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":"4e4e7341302010a20325003232e7e5d5d6df83f554e51892e6ed102f1b9cfce4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:27:53Z","title_canon_sha256":"b2741c24b8f98a4302c4e119c8bdefe093fbbf269d1b8b15d170e0ef3945f5af"},"schema_version":"1.0","source":{"id":"1404.4379","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4379","created_at":"2026-05-18T01:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4379v1","created_at":"2026-05-18T01:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4379","created_at":"2026-05-18T01:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"BEJWZW4PIGY4","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BEJWZW4PIGY4FCZ6","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BEJWZW4P","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:908523ad33034585fcc9b11b3f9280c825d03c493a34b5dc1f52b150cd219896","target":"graph","created_at":"2026-05-18T01:43:29Z","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":"Over 40% of Sun-like stars are bound in binary or multistar systems. Stellar remnants in edge-on binary systems can gravitationally magnify their companions, as predicted 40 years ago. By using data from the Kepler spacecraft, we report the detection of such a \"self-lensing\" system, in which a 5-hour pulse of 0.1% amplitude occurs every orbital period. The white dwarf stellar remnant and its Sun-like companion orbit one another every 88.18 days, a long period for a white dwarf-eclipsing binary. By modeling the pulse as gravitational magnification (microlensing) along with Kepler's laws and ste","authors_text":"Eric Agol, Ethan Kruse","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:27:53Z","title":"KOI-3278: A Self-Lensing Binary Star System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4379","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:dfe1c12a6ad9b59767c1719a78677d81692bbcc0710483dabe834e4db3fc928f","target":"record","created_at":"2026-05-18T01:43:29Z","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":"4e4e7341302010a20325003232e7e5d5d6df83f554e51892e6ed102f1b9cfce4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:27:53Z","title_canon_sha256":"b2741c24b8f98a4302c4e119c8bdefe093fbbf269d1b8b15d170e0ef3945f5af"},"schema_version":"1.0","source":{"id":"1404.4379","kind":"arxiv","version":1}},"canonical_sha256":"09136cdb8f41b1c28b3e679f6e747d5011b4026ddd6086964a696b44ddd289a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09136cdb8f41b1c28b3e679f6e747d5011b4026ddd6086964a696b44ddd289a6","first_computed_at":"2026-05-18T01:43:29.233867Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:29.233867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fLSSIoQZ7dvyp/5LUwCzhqA6pxqjjJk9S/pLlWd6fbWwu3hMC10ArnvkFU+32B/mawOcwIglwvXKLwfWdCGeBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:29.234365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.4379","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfe1c12a6ad9b59767c1719a78677d81692bbcc0710483dabe834e4db3fc928f","sha256:908523ad33034585fcc9b11b3f9280c825d03c493a34b5dc1f52b150cd219896"],"state_sha256":"73da6d04a32f6efb3d7b9b281d573b4530dd9b8551eddd8f98678371f32e42ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GLWkR9jQNywAzZo/6788QuNyIHFRcUVK9V+bD3rq98cdIqRjsVhHQD8hIH95orYIwvpyaymNnlV7/G2duc2+Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T10:33:14.581428Z","bundle_sha256":"cff673fcb8074f72e9a61846f61e26880c4b1b936a29408df38e604fe814e7e1"}}