{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:W3ZQHNE56CPONDKKWXJST6V462","short_pith_number":"pith:W3ZQHNE5","canonical_record":{"source":{"id":"1708.02594","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-08T18:02:44Z","cross_cats_sorted":[],"title_canon_sha256":"ae1ba6cc4fdb7f76e24a01c8b5478da664398562594ec282e56ed848e3c00d9f","abstract_canon_sha256":"f30039793ceab0d5eef38072ca23947c88c26a087f495518e2cea3be1bda807e"},"schema_version":"1.0"},"canonical_sha256":"b6f303b49df09ee68d4ab5d329fabcf68e1cab48482549408558f0b90169afc9","source":{"kind":"arxiv","id":"1708.02594","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02594","created_at":"2026-05-18T00:25:11Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02594v2","created_at":"2026-05-18T00:25:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02594","created_at":"2026-05-18T00:25:11Z"},{"alias_kind":"pith_short_12","alias_value":"W3ZQHNE56CPO","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"W3ZQHNE56CPONDKK","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"W3ZQHNE5","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:W3ZQHNE56CPONDKKWXJST6V462","target":"record","payload":{"canonical_record":{"source":{"id":"1708.02594","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-08T18:02:44Z","cross_cats_sorted":[],"title_canon_sha256":"ae1ba6cc4fdb7f76e24a01c8b5478da664398562594ec282e56ed848e3c00d9f","abstract_canon_sha256":"f30039793ceab0d5eef38072ca23947c88c26a087f495518e2cea3be1bda807e"},"schema_version":"1.0"},"canonical_sha256":"b6f303b49df09ee68d4ab5d329fabcf68e1cab48482549408558f0b90169afc9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:11.550793Z","signature_b64":"LH0L7JnC4FEjAZNuHT35bjeMOIXJxzYQa65Uye4KiyEuWYl3Khk+PXsuS/UK1MCzR8hVZ4TT6H6UBF5UZGPMBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6f303b49df09ee68d4ab5d329fabcf68e1cab48482549408558f0b90169afc9","last_reissued_at":"2026-05-18T00:25:11.550242Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:11.550242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.02594","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":"2026-05-18T00:25:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUwbw0sLSRYdlZ9EYDeeA/0n4U4F+4pRUT8Rk25L0lScEhUf/63x9qsRbuCrGdEO6a7qY3SQtMXJFQWLG+gCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:20:38.493176Z"},"content_sha256":"418cb8a3c08c8eb53455309a77c54c17af30972c55a137d3ff53ba3a34e02d02","schema_version":"1.0","event_id":"sha256:418cb8a3c08c8eb53455309a77c54c17af30972c55a137d3ff53ba3a34e02d02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:W3ZQHNE56CPONDKKWXJST6V462","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Outbursts and Disk Variability in Be Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alex C. Carciofi, Amy L. Glazier, Anthoni J. Caravello, Daniel J. Stevens, David G. Whelan, David J. James, Guy S. Stringfellow, John P. Wisniewski, Jonathan Labadie-Bartz, Joseph E. Rodriguez, Joshua Pepper, Keivan G. Stassun, Marcelo Borges Fernandes, Michael B. Lund, M. Virginia McSwain, Robert J. Siverd, Rudolf B. Kuhn, S. Drew Chojnowski, Sophie G. Anderson","submitted_at":"2017-08-08T18:02:44Z","abstract_excerpt":"In order to study the growth and evolution of circumstellar disks around classical Be stars, we analyze optical time-series photometry from the KELT survey with simultaneous infrared and visible spectroscopy from the APOGEE survey and BeSS database for a sample of 160 Galactic classical Be stars. The systems studied here show variability including transitions from a diskless to a disk-possessing state (and vice versa), and persistent disks that vary in strength, being replenished at either regularly or irregularly occurring intervals. We detect disk-building events (outbursts) in the light cur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02594","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":"2026-05-18T00:25:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+4yfFhKA/0tZvAQ524A76UTwEyfeMmt9UZ+VSgw6ZRsgzejE63pUt0Lu3TB9tUEmkLe/UGLTd2McyaK/l4wAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:20:38.493947Z"},"content_sha256":"1a2aa1de81660c6121604fb89ff75ee10a7d638b82d4813bad8ea3aeace245de","schema_version":"1.0","event_id":"sha256:1a2aa1de81660c6121604fb89ff75ee10a7d638b82d4813bad8ea3aeace245de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W3ZQHNE56CPONDKKWXJST6V462/bundle.json","state_url":"https://pith.science/pith/W3ZQHNE56CPONDKKWXJST6V462/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W3ZQHNE56CPONDKKWXJST6V462/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":"2026-05-31T01:20:38Z","links":{"resolver":"https://pith.science/pith/W3ZQHNE56CPONDKKWXJST6V462","bundle":"https://pith.science/pith/W3ZQHNE56CPONDKKWXJST6V462/bundle.json","state":"https://pith.science/pith/W3ZQHNE56CPONDKKWXJST6V462/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W3ZQHNE56CPONDKKWXJST6V462/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:W3ZQHNE56CPONDKKWXJST6V462","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":"f30039793ceab0d5eef38072ca23947c88c26a087f495518e2cea3be1bda807e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-08T18:02:44Z","title_canon_sha256":"ae1ba6cc4fdb7f76e24a01c8b5478da664398562594ec282e56ed848e3c00d9f"},"schema_version":"1.0","source":{"id":"1708.02594","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02594","created_at":"2026-05-18T00:25:11Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02594v2","created_at":"2026-05-18T00:25:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02594","created_at":"2026-05-18T00:25:11Z"},{"alias_kind":"pith_short_12","alias_value":"W3ZQHNE56CPO","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"W3ZQHNE56CPONDKK","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"W3ZQHNE5","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:1a2aa1de81660c6121604fb89ff75ee10a7d638b82d4813bad8ea3aeace245de","target":"graph","created_at":"2026-05-18T00:25:11Z","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":"In order to study the growth and evolution of circumstellar disks around classical Be stars, we analyze optical time-series photometry from the KELT survey with simultaneous infrared and visible spectroscopy from the APOGEE survey and BeSS database for a sample of 160 Galactic classical Be stars. The systems studied here show variability including transitions from a diskless to a disk-possessing state (and vice versa), and persistent disks that vary in strength, being replenished at either regularly or irregularly occurring intervals. We detect disk-building events (outbursts) in the light cur","authors_text":"Alex C. Carciofi, Amy L. Glazier, Anthoni J. Caravello, Daniel J. Stevens, David G. Whelan, David J. James, Guy S. Stringfellow, John P. Wisniewski, Jonathan Labadie-Bartz, Joseph E. Rodriguez, Joshua Pepper, Keivan G. Stassun, Marcelo Borges Fernandes, Michael B. Lund, M. Virginia McSwain, Robert J. Siverd, Rudolf B. Kuhn, S. Drew Chojnowski, Sophie G. Anderson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-08T18:02:44Z","title":"Outbursts and Disk Variability in Be Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02594","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":"sha256:418cb8a3c08c8eb53455309a77c54c17af30972c55a137d3ff53ba3a34e02d02","target":"record","created_at":"2026-05-18T00:25:11Z","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":"f30039793ceab0d5eef38072ca23947c88c26a087f495518e2cea3be1bda807e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-08T18:02:44Z","title_canon_sha256":"ae1ba6cc4fdb7f76e24a01c8b5478da664398562594ec282e56ed848e3c00d9f"},"schema_version":"1.0","source":{"id":"1708.02594","kind":"arxiv","version":2}},"canonical_sha256":"b6f303b49df09ee68d4ab5d329fabcf68e1cab48482549408558f0b90169afc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6f303b49df09ee68d4ab5d329fabcf68e1cab48482549408558f0b90169afc9","first_computed_at":"2026-05-18T00:25:11.550242Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:11.550242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LH0L7JnC4FEjAZNuHT35bjeMOIXJxzYQa65Uye4KiyEuWYl3Khk+PXsuS/UK1MCzR8hVZ4TT6H6UBF5UZGPMBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:11.550793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.02594","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:418cb8a3c08c8eb53455309a77c54c17af30972c55a137d3ff53ba3a34e02d02","sha256:1a2aa1de81660c6121604fb89ff75ee10a7d638b82d4813bad8ea3aeace245de"],"state_sha256":"5012ca4eeef86026113a8220242681e5e5a661d91864a4545aa683eb5baeb1fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rdrl77y0poJRPGk6cC12pthIN0NtctsPIO8DQqjc/i+nPgT5ZBhif4Y56Uird08vaBnw9zzrrwvK7lntjqHZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:20:38.497803Z","bundle_sha256":"b780b8adb3a03e6caf0e41293d62555e2897bfbd0bd0ec2bd0dd54bbd786a6a2"}}