{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SM4MXZN3GWTVQDPTLZE6YQQAYQ","short_pith_number":"pith:SM4MXZN3","canonical_record":{"source":{"id":"1401.7177","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-28T13:38:08Z","cross_cats_sorted":[],"title_canon_sha256":"08e660d67f59e189757dfa2f8eb65f472887aa842ea905cd1f88499706a916a2","abstract_canon_sha256":"b42b6b208ef0fc901e6d6635651ae03d03fae2394ddb1106a13481ef43abba0c"},"schema_version":"1.0"},"canonical_sha256":"9338cbe5bb35a7580df35e49ec4200c40d09f7caf95d1fb3e395d5f410fff8c2","source":{"kind":"arxiv","id":"1401.7177","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7177","created_at":"2026-05-18T02:51:14Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7177v1","created_at":"2026-05-18T02:51:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7177","created_at":"2026-05-18T02:51:14Z"},{"alias_kind":"pith_short_12","alias_value":"SM4MXZN3GWTV","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SM4MXZN3GWTVQDPT","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SM4MXZN3","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SM4MXZN3GWTVQDPTLZE6YQQAYQ","target":"record","payload":{"canonical_record":{"source":{"id":"1401.7177","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-28T13:38:08Z","cross_cats_sorted":[],"title_canon_sha256":"08e660d67f59e189757dfa2f8eb65f472887aa842ea905cd1f88499706a916a2","abstract_canon_sha256":"b42b6b208ef0fc901e6d6635651ae03d03fae2394ddb1106a13481ef43abba0c"},"schema_version":"1.0"},"canonical_sha256":"9338cbe5bb35a7580df35e49ec4200c40d09f7caf95d1fb3e395d5f410fff8c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:14.876335Z","signature_b64":"NxeEl3iiFrb2jt1w5G4PkwmiscDaC255VlOlq0tH+WdVxq7eIAy/4HdPq28JBwkDyAcGgtZ7TOxQ0gbmIMYgCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9338cbe5bb35a7580df35e49ec4200c40d09f7caf95d1fb3e395d5f410fff8c2","last_reissued_at":"2026-05-18T02:51:14.875903Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:14.875903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.7177","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":"2026-05-18T02:51:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QP6FTFdvFOkQ7EhsfR2QB04TGWoURVv1SK9vMJn0tYNROxNT6pK/61EqMkdSvZ8KDxscVtbEdo7j1a4hAgq3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:52:04.326981Z"},"content_sha256":"4035c295f9571902dba84562d2ea232edcb6b91c7587ae062f81adcf2d476161","schema_version":"1.0","event_id":"sha256:4035c295f9571902dba84562d2ea232edcb6b91c7587ae062f81adcf2d476161"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SM4MXZN3GWTVQDPTLZE6YQQAYQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New observations of the old magnetic nova GQ Muscae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"I. B. Thompson, J. Kaluzny, M. Rozyczka, S. Shectman, T. Tomov, W. Krzeminski, W. Narloch, W. Pych","submitted_at":"2014-01-28T13:38:08Z","abstract_excerpt":"We report photometric observations of GQ Mus performed between 1992 and 2011. We find that the total amplitude of the orbital modulation of its brightness decreased from ~0.9 mag in 1992 to ~0.2 mag in 2010, becoming comparable to the amplitude of chaotic flickering on a time scale of several minutes. Optical spectra obtained in 2001 and 2012 indicate continuing activity of GQ Mus. The spectra show broad emission lines of HeII and HI typical for magnetic cataclysmic variables. The nova was observed as an UV-bright object in 2001 and 2012. We also show that the orbital period of GQ Mus has been"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7177","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":"2026-05-18T02:51:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vPlQr5lGu/ZRBleVLw3VcImuvXhT2QPDzbEtBn8nFCRGqJgl4n8wZ/PM9Tk9sDslNDtmviLnKnHj5OBijYnoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:52:04.327735Z"},"content_sha256":"9e6ae7fc5a7952cfb6e257126cacbaf36dd67d09035f584f4e75ff3ade24556a","schema_version":"1.0","event_id":"sha256:9e6ae7fc5a7952cfb6e257126cacbaf36dd67d09035f584f4e75ff3ade24556a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ/bundle.json","state_url":"https://pith.science/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ/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":"2026-06-01T04:52:04Z","links":{"resolver":"https://pith.science/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ","bundle":"https://pith.science/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ/bundle.json","state":"https://pith.science/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SM4MXZN3GWTVQDPTLZE6YQQAYQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SM4MXZN3GWTVQDPTLZE6YQQAYQ","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":"b42b6b208ef0fc901e6d6635651ae03d03fae2394ddb1106a13481ef43abba0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-28T13:38:08Z","title_canon_sha256":"08e660d67f59e189757dfa2f8eb65f472887aa842ea905cd1f88499706a916a2"},"schema_version":"1.0","source":{"id":"1401.7177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7177","created_at":"2026-05-18T02:51:14Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7177v1","created_at":"2026-05-18T02:51:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7177","created_at":"2026-05-18T02:51:14Z"},{"alias_kind":"pith_short_12","alias_value":"SM4MXZN3GWTV","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SM4MXZN3GWTVQDPT","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SM4MXZN3","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:9e6ae7fc5a7952cfb6e257126cacbaf36dd67d09035f584f4e75ff3ade24556a","target":"graph","created_at":"2026-05-18T02:51:14Z","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 report photometric observations of GQ Mus performed between 1992 and 2011. We find that the total amplitude of the orbital modulation of its brightness decreased from ~0.9 mag in 1992 to ~0.2 mag in 2010, becoming comparable to the amplitude of chaotic flickering on a time scale of several minutes. Optical spectra obtained in 2001 and 2012 indicate continuing activity of GQ Mus. The spectra show broad emission lines of HeII and HI typical for magnetic cataclysmic variables. The nova was observed as an UV-bright object in 2001 and 2012. We also show that the orbital period of GQ Mus has been","authors_text":"I. B. Thompson, J. Kaluzny, M. Rozyczka, S. Shectman, T. Tomov, W. Krzeminski, W. Narloch, W. Pych","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-28T13:38:08Z","title":"New observations of the old magnetic nova GQ Muscae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7177","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":"sha256:4035c295f9571902dba84562d2ea232edcb6b91c7587ae062f81adcf2d476161","target":"record","created_at":"2026-05-18T02:51:14Z","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":"b42b6b208ef0fc901e6d6635651ae03d03fae2394ddb1106a13481ef43abba0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-28T13:38:08Z","title_canon_sha256":"08e660d67f59e189757dfa2f8eb65f472887aa842ea905cd1f88499706a916a2"},"schema_version":"1.0","source":{"id":"1401.7177","kind":"arxiv","version":1}},"canonical_sha256":"9338cbe5bb35a7580df35e49ec4200c40d09f7caf95d1fb3e395d5f410fff8c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9338cbe5bb35a7580df35e49ec4200c40d09f7caf95d1fb3e395d5f410fff8c2","first_computed_at":"2026-05-18T02:51:14.875903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:14.875903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NxeEl3iiFrb2jt1w5G4PkwmiscDaC255VlOlq0tH+WdVxq7eIAy/4HdPq28JBwkDyAcGgtZ7TOxQ0gbmIMYgCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:14.876335Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.7177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4035c295f9571902dba84562d2ea232edcb6b91c7587ae062f81adcf2d476161","sha256:9e6ae7fc5a7952cfb6e257126cacbaf36dd67d09035f584f4e75ff3ade24556a"],"state_sha256":"df30a6bae7ab72acb2365a64994fb15152f4231d69c97283845dede987553540"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZVx50fCKNFjesHghZVSgLZjYvWNsLT38/k3Z+aZg4mVMgZ+HwxKydweRmGWIj3geyO3yZlvvBMusZqTu3nIBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:52:04.330648Z","bundle_sha256":"7eb50648828d8e00f00c938e848cca05950468476c91d13cba05ca902d2ee37e"}}