{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6U6L63TIWNNHIIEMMT3MQJKYU6","short_pith_number":"pith:6U6L63TI","canonical_record":{"source":{"id":"1901.09930","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-01-28T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"39ffb516aa1f0066a50f17ec6fcddce51563a294c0e2e1c7f586aeb75720c778","abstract_canon_sha256":"25e5ce1f2619347fe4c4542fb80609359a60b0cc21755cf12f095439dfbbd0b2"},"schema_version":"1.0"},"canonical_sha256":"f53cbf6e68b35a74208c64f6c82558a7b9e33688c122c8446b7db4c09b808a16","source":{"kind":"arxiv","id":"1901.09930","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.09930","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"arxiv_version","alias_value":"1901.09930v2","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09930","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"pith_short_12","alias_value":"6U6L63TIWNNH","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"pith_short_16","alias_value":"6U6L63TIWNNHIIEM","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"pith_short_8","alias_value":"6U6L63TI","created_at":"2026-07-04T23:51:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6U6L63TIWNNHIIEMMT3MQJKYU6","target":"record","payload":{"canonical_record":{"source":{"id":"1901.09930","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-01-28T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"39ffb516aa1f0066a50f17ec6fcddce51563a294c0e2e1c7f586aeb75720c778","abstract_canon_sha256":"25e5ce1f2619347fe4c4542fb80609359a60b0cc21755cf12f095439dfbbd0b2"},"schema_version":"1.0"},"canonical_sha256":"f53cbf6e68b35a74208c64f6c82558a7b9e33688c122c8446b7db4c09b808a16","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:51:38.807393Z","signature_b64":"GXc+Xx+JuMTQKarrBc32un62AAGkig9vx1x+DHteYMkMv371Xdv2r+ElfruRHmFlJ7Eq25j6cX5DuR3MFKmBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f53cbf6e68b35a74208c64f6c82558a7b9e33688c122c8446b7db4c09b808a16","last_reissued_at":"2026-07-04T23:51:38.806954Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:51:38.806954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.09930","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":"2026-07-04T23:51:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4IMkI/pT+nn8OvHmc/Bg/GvxTdJmAn0So9nkkgz95zJrAowN2KZ20HX0H5/TQ2++B+AQIQTveHdBHWmKP2gHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:35:36.591845Z"},"content_sha256":"ccda9eceb7aa8dd9fe7edcc605adffaf37ef745a85f4452a7e4d7339ef5bcd9c","schema_version":"1.0","event_id":"sha256:ccda9eceb7aa8dd9fe7edcc605adffaf37ef745a85f4452a7e4d7339ef5bcd9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6U6L63TIWNNHIIEMMT3MQJKYU6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Short Term Variability of Evolved Massive Stars with TESS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Emily M. Levesque, James R. A. Davenport, Trevor Z. Dorn-Wallenstein","submitted_at":"2019-01-28T19:00:01Z","abstract_excerpt":"We present the first results from a study of TESS Sector 1 and 2 light curves for eight evolved massive stars in the LMC: six yellow supergiants (YSGs) and two luminous blue variables (LBVs), including S Doradus. We use an iterative prewhitening procedure to characterize the short-timescale variability in all eight stars. The periodogram of one of the YSGs, HD 269953, displays multiple strong peaks at higher frequencies than its fellows. While the field surrounding HD 269953 is quite crowded, it is the brightest star in the region, and has infrared colors indicating it is dusty. We suggest HD "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09930","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1901.09930/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T23:51:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GInsIHB+7x7EfWfvs10alVENZ9/PXV5DHLoEZACmEaG/wR/mBx4pNP0JxZpPt0xM7Du9YIWPbGQOGTsA/zqpBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:35:36.592465Z"},"content_sha256":"719eda151b1bb1d9b1f4c7913733ffd5a5dfe4e134582d67d2fd154bc678cf70","schema_version":"1.0","event_id":"sha256:719eda151b1bb1d9b1f4c7913733ffd5a5dfe4e134582d67d2fd154bc678cf70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6U6L63TIWNNHIIEMMT3MQJKYU6/bundle.json","state_url":"https://pith.science/pith/6U6L63TIWNNHIIEMMT3MQJKYU6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6U6L63TIWNNHIIEMMT3MQJKYU6/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":"2026-08-08T09:35:36Z","links":{"resolver":"https://pith.science/pith/6U6L63TIWNNHIIEMMT3MQJKYU6","bundle":"https://pith.science/pith/6U6L63TIWNNHIIEMMT3MQJKYU6/bundle.json","state":"https://pith.science/pith/6U6L63TIWNNHIIEMMT3MQJKYU6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6U6L63TIWNNHIIEMMT3MQJKYU6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6U6L63TIWNNHIIEMMT3MQJKYU6","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":"25e5ce1f2619347fe4c4542fb80609359a60b0cc21755cf12f095439dfbbd0b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-01-28T19:00:01Z","title_canon_sha256":"39ffb516aa1f0066a50f17ec6fcddce51563a294c0e2e1c7f586aeb75720c778"},"schema_version":"1.0","source":{"id":"1901.09930","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.09930","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"arxiv_version","alias_value":"1901.09930v2","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09930","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"pith_short_12","alias_value":"6U6L63TIWNNH","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"pith_short_16","alias_value":"6U6L63TIWNNHIIEM","created_at":"2026-07-04T23:51:38Z"},{"alias_kind":"pith_short_8","alias_value":"6U6L63TI","created_at":"2026-07-04T23:51:38Z"}],"graph_snapshots":[{"event_id":"sha256:719eda151b1bb1d9b1f4c7913733ffd5a5dfe4e134582d67d2fd154bc678cf70","target":"graph","created_at":"2026-07-04T23:51:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1901.09930/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the first results from a study of TESS Sector 1 and 2 light curves for eight evolved massive stars in the LMC: six yellow supergiants (YSGs) and two luminous blue variables (LBVs), including S Doradus. We use an iterative prewhitening procedure to characterize the short-timescale variability in all eight stars. The periodogram of one of the YSGs, HD 269953, displays multiple strong peaks at higher frequencies than its fellows. While the field surrounding HD 269953 is quite crowded, it is the brightest star in the region, and has infrared colors indicating it is dusty. We suggest HD ","authors_text":"Emily M. Levesque, James R. A. Davenport, Trevor Z. Dorn-Wallenstein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-01-28T19:00:01Z","title":"Short Term Variability of Evolved Massive Stars with TESS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09930","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:ccda9eceb7aa8dd9fe7edcc605adffaf37ef745a85f4452a7e4d7339ef5bcd9c","target":"record","created_at":"2026-07-04T23:51:38Z","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":"25e5ce1f2619347fe4c4542fb80609359a60b0cc21755cf12f095439dfbbd0b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-01-28T19:00:01Z","title_canon_sha256":"39ffb516aa1f0066a50f17ec6fcddce51563a294c0e2e1c7f586aeb75720c778"},"schema_version":"1.0","source":{"id":"1901.09930","kind":"arxiv","version":2}},"canonical_sha256":"f53cbf6e68b35a74208c64f6c82558a7b9e33688c122c8446b7db4c09b808a16","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f53cbf6e68b35a74208c64f6c82558a7b9e33688c122c8446b7db4c09b808a16","first_computed_at":"2026-07-04T23:51:38.806954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:51:38.806954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GXc+Xx+JuMTQKarrBc32un62AAGkig9vx1x+DHteYMkMv371Xdv2r+ElfruRHmFlJ7Eq25j6cX5DuR3MFKmBAg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:51:38.807393Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.09930","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccda9eceb7aa8dd9fe7edcc605adffaf37ef745a85f4452a7e4d7339ef5bcd9c","sha256:719eda151b1bb1d9b1f4c7913733ffd5a5dfe4e134582d67d2fd154bc678cf70"],"state_sha256":"5d68e9b39a9e9f0d34b7705b73e7e6c382e668a34cf67c6faf2952d171ae0c95"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vJ/H41BBvcRkrCFP2Oh2FOgaIYoVG5vKDjyOflpSpG+JPaDN6ffbNENkQpp5e/ByQO1Nh/w+PBWB0KLJQLOKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T09:35:36.597522Z","bundle_sha256":"79cff3520854a9a80c309cae81d19e4c08a811428756a7cea51f5f5af4cb4ea8"}}