{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OWTQHSTWHGT6SE5YDBCDHNIVZM","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":"b030446c8d1033e7f2890f402d387e7cf9ed04235c2664fe4a2552267aba5a9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-06-18T10:52:53Z","title_canon_sha256":"ae6b9e3cbdb816283ccc68db5fc2d514744d21f2b203f896fded411cc5f16bbc"},"schema_version":"1.0","source":{"id":"1906.07490","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07490","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07490v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07490","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"OWTQHSTWHGT6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OWTQHSTWHGT6SE5Y","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OWTQHSTW","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:42803db1d41e219d49d9c6759db39efea95d0196b247c0632f22201c3b2191ec","target":"graph","created_at":"2026-05-17T23:39:43Z","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 present time series photometry in the field of Stock 8 and identified 130 short period variable stars. Twenty eight main-sequence and 23 pre-main-sequence variables are found to be part of cluster Stock 8. The main-sequence variables are classified as slow pulsator of the B type, $\\beta$ Cep and $\\delta$ Scuti stars. Fourteen main-sequence stars could be new class variables as discussed by Mowlavi et al. (2013) and Lata et al. (2014). The age and mass of pre-main-sequence variables are found to be $\\lesssim$ 5 Myr and in the mass range of 0.5 to 2.8 M$_{\\odot}$, respectively. These pre-main","authors_text":"Andrea Richichi, Anil. K. Pandey, Neelam Panwar, Puji Irawati, Ram Kesh Yadav, Sneh Lata, T. R. Marsh, V. S. Dhillon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-06-18T10:52:53Z","title":"Short period variable stars in young open cluster Stock 8"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07490","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":"sha256:13c5f39579cfdb21ae0ee9681bfeef5a9a25ad32ddbb9fc5995fc3e25a9d9d06","target":"record","created_at":"2026-05-17T23:39:43Z","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":"b030446c8d1033e7f2890f402d387e7cf9ed04235c2664fe4a2552267aba5a9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-06-18T10:52:53Z","title_canon_sha256":"ae6b9e3cbdb816283ccc68db5fc2d514744d21f2b203f896fded411cc5f16bbc"},"schema_version":"1.0","source":{"id":"1906.07490","kind":"arxiv","version":1}},"canonical_sha256":"75a703ca7639a7e913b8184433b515cb220f5151b54a3641f67a3c933bd6d810","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75a703ca7639a7e913b8184433b515cb220f5151b54a3641f67a3c933bd6d810","first_computed_at":"2026-05-17T23:39:43.027551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:43.027551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fFelRkEaQ0ZBqe6z59bH7Vn2DuR292sYYr4GUvvDDyE7NIbntcEW53ahpj1G3EKE00/mxHQLqt7p+/hmzkCCAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:43.028167Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.07490","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13c5f39579cfdb21ae0ee9681bfeef5a9a25ad32ddbb9fc5995fc3e25a9d9d06","sha256:42803db1d41e219d49d9c6759db39efea95d0196b247c0632f22201c3b2191ec"],"state_sha256":"73908ac92a9bab5e9efe322785edecbff13547f4c4cf05f60d998c6d258bec28"}