{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:55HPQHL7QYRA35TDG72UCHIB4W","short_pith_number":"pith:55HPQHL7","canonical_record":{"source":{"id":"1402.2929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-12T18:49:21Z","cross_cats_sorted":[],"title_canon_sha256":"14c7927b8c2b78f6ed9b95c972465088befef726d4e06984037d0c17d5196fa8","abstract_canon_sha256":"55e5091e88b81802468eed17ef1f120a3e56ff02a1e6b11649803675040b1173"},"schema_version":"1.0"},"canonical_sha256":"ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074","source":{"kind":"arxiv","id":"1402.2929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2929","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2929v1","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2929","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"pith_short_12","alias_value":"55HPQHL7QYRA","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"55HPQHL7QYRA35TD","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"55HPQHL7","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:55HPQHL7QYRA35TDG72UCHIB4W","target":"record","payload":{"canonical_record":{"source":{"id":"1402.2929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-12T18:49:21Z","cross_cats_sorted":[],"title_canon_sha256":"14c7927b8c2b78f6ed9b95c972465088befef726d4e06984037d0c17d5196fa8","abstract_canon_sha256":"55e5091e88b81802468eed17ef1f120a3e56ff02a1e6b11649803675040b1173"},"schema_version":"1.0"},"canonical_sha256":"ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:59:16.898850Z","signature_b64":"Zq9gXyyAFoZ8iPpemTVnVd4GbWsI3IMTSjm5K5baTnQEr3eUIqfWQd61I9PpS9oZwUziE25qnPN2ODK5daTuCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074","last_reissued_at":"2026-05-18T02:59:16.898020Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:59:16.898020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.2929","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":"2026-05-18T02:59:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PjnvIuxRbyQ/al75OR8tvau7f4LmlBFPK6TShFeuXmrX6M8KRTXfz0jYbJJyprlzH/ORaiS5AcE/XJoSRnjuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T22:12:37.750246Z"},"content_sha256":"c3fb9aed8479960cdc89581c752edc6b43ff27e2357f843d3779a57dc8f174cf","schema_version":"1.0","event_id":"sha256:c3fb9aed8479960cdc89581c752edc6b43ff27e2357f843d3779a57dc8f174cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:55HPQHL7QYRA35TDG72UCHIB4W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The eclipsing binary system SW Lacertae: hotometric study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. El-Bassuny Alawy, A. Essam, M. A. Hamdy","submitted_at":"2014-02-12T18:49:21Z","abstract_excerpt":"Blue and Visual photoelectric light curves have been achieved for the eclipsing binary SW Lac in 1995. Nine moments of minimum light were derived. Period of 0.320854 days have been determined as the mean of those derived from blue and visual observations. B and V light curves have been analyzed using W-D code where the system has been viewed through the ellipsoidal model. The system geometrical and physical parameters were determined and compared with those published recently."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2929","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":"2026-05-18T02:59:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"udT07Cg/CaUJN8/mVHULjEnPB/ipBLjKCuWiYFUVebFpsjWLdApYhpveqgiiW2Fairwe8n0p5zvLlncKErn4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T22:12:37.750608Z"},"content_sha256":"1c39b7dab6c8be7eba059ed1ee7e367f107adbb52fa837cf4685ee9fb0778b3d","schema_version":"1.0","event_id":"sha256:1c39b7dab6c8be7eba059ed1ee7e367f107adbb52fa837cf4685ee9fb0778b3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/55HPQHL7QYRA35TDG72UCHIB4W/bundle.json","state_url":"https://pith.science/pith/55HPQHL7QYRA35TDG72UCHIB4W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/55HPQHL7QYRA35TDG72UCHIB4W/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":"2026-07-02T22:12:37Z","links":{"resolver":"https://pith.science/pith/55HPQHL7QYRA35TDG72UCHIB4W","bundle":"https://pith.science/pith/55HPQHL7QYRA35TDG72UCHIB4W/bundle.json","state":"https://pith.science/pith/55HPQHL7QYRA35TDG72UCHIB4W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/55HPQHL7QYRA35TDG72UCHIB4W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:55HPQHL7QYRA35TDG72UCHIB4W","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":"55e5091e88b81802468eed17ef1f120a3e56ff02a1e6b11649803675040b1173","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-12T18:49:21Z","title_canon_sha256":"14c7927b8c2b78f6ed9b95c972465088befef726d4e06984037d0c17d5196fa8"},"schema_version":"1.0","source":{"id":"1402.2929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2929","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2929v1","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2929","created_at":"2026-05-18T02:59:16Z"},{"alias_kind":"pith_short_12","alias_value":"55HPQHL7QYRA","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"55HPQHL7QYRA35TD","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"55HPQHL7","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:1c39b7dab6c8be7eba059ed1ee7e367f107adbb52fa837cf4685ee9fb0778b3d","target":"graph","created_at":"2026-05-18T02:59:16Z","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":"Blue and Visual photoelectric light curves have been achieved for the eclipsing binary SW Lac in 1995. Nine moments of minimum light were derived. Period of 0.320854 days have been determined as the mean of those derived from blue and visual observations. B and V light curves have been analyzed using W-D code where the system has been viewed through the ellipsoidal model. The system geometrical and physical parameters were determined and compared with those published recently.","authors_text":"A. El-Bassuny Alawy, A. Essam, M. A. Hamdy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-12T18:49:21Z","title":"The eclipsing binary system SW Lacertae: hotometric study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2929","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:c3fb9aed8479960cdc89581c752edc6b43ff27e2357f843d3779a57dc8f174cf","target":"record","created_at":"2026-05-18T02:59:16Z","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":"55e5091e88b81802468eed17ef1f120a3e56ff02a1e6b11649803675040b1173","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-12T18:49:21Z","title_canon_sha256":"14c7927b8c2b78f6ed9b95c972465088befef726d4e06984037d0c17d5196fa8"},"schema_version":"1.0","source":{"id":"1402.2929","kind":"arxiv","version":1}},"canonical_sha256":"ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074","first_computed_at":"2026-05-18T02:59:16.898020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:59:16.898020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zq9gXyyAFoZ8iPpemTVnVd4GbWsI3IMTSjm5K5baTnQEr3eUIqfWQd61I9PpS9oZwUziE25qnPN2ODK5daTuCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:59:16.898850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.2929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3fb9aed8479960cdc89581c752edc6b43ff27e2357f843d3779a57dc8f174cf","sha256:1c39b7dab6c8be7eba059ed1ee7e367f107adbb52fa837cf4685ee9fb0778b3d"],"state_sha256":"8017b20de66f9992a47fc0a8f3d9806cc020dc84e1522c59e9ebcc1fc04b09d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nvOZ4uZDLQpc3Sibosa9Zghg+Pko963mcDij9RQlxugRmr6fRBNG6R6Sq6uGEaLBBpt2VikmKgUimIoaf0uvDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T22:12:37.752592Z","bundle_sha256":"174df23fd9d075ac2c714403239482d8064f31e49549378f8b063205e5d83f4f"}}