{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:HAEI3VSXAWT6MIT4RFGFTIIHRK","short_pith_number":"pith:HAEI3VSX","canonical_record":{"source":{"id":"1012.4610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-21T11:15:32Z","cross_cats_sorted":[],"title_canon_sha256":"92724c12a6f5aba103ae9b5507590a8460b296631558384c795f7758c8a4d1e2","abstract_canon_sha256":"f817f1ffb30707744de8120ba8ed2928b352fbc5820751790d5794ac958685ad"},"schema_version":"1.0"},"canonical_sha256":"38088dd65705a7e6227c894c59a1078ab165536a9bf7c55c52f02917f6b3a248","source":{"kind":"arxiv","id":"1012.4610","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4610","created_at":"2026-05-18T02:04:19Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4610v1","created_at":"2026-05-18T02:04:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4610","created_at":"2026-05-18T02:04:19Z"},{"alias_kind":"pith_short_12","alias_value":"HAEI3VSXAWT6","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HAEI3VSXAWT6MIT4","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HAEI3VSX","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:HAEI3VSXAWT6MIT4RFGFTIIHRK","target":"record","payload":{"canonical_record":{"source":{"id":"1012.4610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-21T11:15:32Z","cross_cats_sorted":[],"title_canon_sha256":"92724c12a6f5aba103ae9b5507590a8460b296631558384c795f7758c8a4d1e2","abstract_canon_sha256":"f817f1ffb30707744de8120ba8ed2928b352fbc5820751790d5794ac958685ad"},"schema_version":"1.0"},"canonical_sha256":"38088dd65705a7e6227c894c59a1078ab165536a9bf7c55c52f02917f6b3a248","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:19.403602Z","signature_b64":"XrANZPy9iJW8pwP5Ce2zeXFLiL1cXw5be6UwbbSRepTnOnVE6AXgOGvn3IIgTeC6qw5DW+/tTKo87Gqq76zABg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38088dd65705a7e6227c894c59a1078ab165536a9bf7c55c52f02917f6b3a248","last_reissued_at":"2026-05-18T02:04:19.402968Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:19.402968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.4610","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":"2026-05-18T02:04:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L6l9HsA5jf4+Hv3r2DP9FSTH1c8RxnCwKCJI8CQE3wzAbjCSZRcw9W4bdkhn1GsefjZl3JIPwmpMphAcu6tNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:46:09.474418Z"},"content_sha256":"55df60077f8263406c87f8cf216aad78c8227c9c0d11b866616be40ebe84ff57","schema_version":"1.0","event_id":"sha256:55df60077f8263406c87f8cf216aad78c8227c9c0d11b866616be40ebe84ff57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:HAEI3VSXAWT6MIT4RFGFTIIHRK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Very Long-term Optical Variability of High Mass X-ray Binaries in the SMC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. F. Rajoelimanana, A. Udalski, P. A. Charles","submitted_at":"2010-12-21T11:15:32Z","abstract_excerpt":"We have studied the very long-term temporal properties of the optical emission from Be X-ray binaries (BeX) in the Small Magellanic Cloud over a ~ 16 yr baseline, using light curves from the MACHO and OGLE databases. All the BeX in our sample display superorbital variations, many of them quasi-periodic on timescales of ~ 200-3000 d. These long-term variations are believed to be related to the formation and depletion of the circumstellar disc around the Be star and we compare and contrast their behaviour with that of the LMC's prototypical BeX, A0538-66. The great majority of sources show a cor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4610","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":"2026-05-18T02:04:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"69Vks0MgqI4Pws9Ze2NEah4v2wynxigSMROS7ywT1G77fBGh5OSU54spuFh8eq3Yn3Ftoys5spH8pYFdnAhLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:46:09.475108Z"},"content_sha256":"7d4b8852946133387fc1cc3ae18758070ed383e62ed60fbd0ed2313ca4ecfa27","schema_version":"1.0","event_id":"sha256:7d4b8852946133387fc1cc3ae18758070ed383e62ed60fbd0ed2313ca4ecfa27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK/bundle.json","state_url":"https://pith.science/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK/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":"2026-06-07T08:46:09Z","links":{"resolver":"https://pith.science/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK","bundle":"https://pith.science/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK/bundle.json","state":"https://pith.science/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HAEI3VSXAWT6MIT4RFGFTIIHRK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:HAEI3VSXAWT6MIT4RFGFTIIHRK","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":"f817f1ffb30707744de8120ba8ed2928b352fbc5820751790d5794ac958685ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-21T11:15:32Z","title_canon_sha256":"92724c12a6f5aba103ae9b5507590a8460b296631558384c795f7758c8a4d1e2"},"schema_version":"1.0","source":{"id":"1012.4610","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4610","created_at":"2026-05-18T02:04:19Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4610v1","created_at":"2026-05-18T02:04:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4610","created_at":"2026-05-18T02:04:19Z"},{"alias_kind":"pith_short_12","alias_value":"HAEI3VSXAWT6","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HAEI3VSXAWT6MIT4","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HAEI3VSX","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:7d4b8852946133387fc1cc3ae18758070ed383e62ed60fbd0ed2313ca4ecfa27","target":"graph","created_at":"2026-05-18T02:04:19Z","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 have studied the very long-term temporal properties of the optical emission from Be X-ray binaries (BeX) in the Small Magellanic Cloud over a ~ 16 yr baseline, using light curves from the MACHO and OGLE databases. All the BeX in our sample display superorbital variations, many of them quasi-periodic on timescales of ~ 200-3000 d. These long-term variations are believed to be related to the formation and depletion of the circumstellar disc around the Be star and we compare and contrast their behaviour with that of the LMC's prototypical BeX, A0538-66. The great majority of sources show a cor","authors_text":"A. F. Rajoelimanana, A. Udalski, P. A. Charles","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-21T11:15:32Z","title":"Very Long-term Optical Variability of High Mass X-ray Binaries in the SMC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4610","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":"sha256:55df60077f8263406c87f8cf216aad78c8227c9c0d11b866616be40ebe84ff57","target":"record","created_at":"2026-05-18T02:04:19Z","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":"f817f1ffb30707744de8120ba8ed2928b352fbc5820751790d5794ac958685ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-21T11:15:32Z","title_canon_sha256":"92724c12a6f5aba103ae9b5507590a8460b296631558384c795f7758c8a4d1e2"},"schema_version":"1.0","source":{"id":"1012.4610","kind":"arxiv","version":1}},"canonical_sha256":"38088dd65705a7e6227c894c59a1078ab165536a9bf7c55c52f02917f6b3a248","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38088dd65705a7e6227c894c59a1078ab165536a9bf7c55c52f02917f6b3a248","first_computed_at":"2026-05-18T02:04:19.402968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:19.402968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XrANZPy9iJW8pwP5Ce2zeXFLiL1cXw5be6UwbbSRepTnOnVE6AXgOGvn3IIgTeC6qw5DW+/tTKo87Gqq76zABg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:19.403602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.4610","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55df60077f8263406c87f8cf216aad78c8227c9c0d11b866616be40ebe84ff57","sha256:7d4b8852946133387fc1cc3ae18758070ed383e62ed60fbd0ed2313ca4ecfa27"],"state_sha256":"b7c6dcc9e1f438ad2cf287a71d49847ae407e69255b1abd31dd3f88d91a6419f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9tZnX78NaDHFhbsxL+IjST8cdU/sRCa5uZPBSHV4XnZ3mz4BVgR5UvZkjT5gq7NvgmoMo3y/YKVKwHceic0JDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T08:46:09.478385Z","bundle_sha256":"1217f7be1d7ab2398ef1c0358b11960ef16a2a6cffc23e4d3d66ee893de508cb"}}