{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:GQOBG3W5FLGXLRTFC7TR7MPJWH","short_pith_number":"pith:GQOBG3W5","schema_version":"1.0","canonical_sha256":"341c136edd2acd75c66517e71fb1e9b1f68878167d1d6fe69794f80a9c432ca6","source":{"kind":"arxiv","id":"1806.03650","version":1},"attestation_state":"computed","paper":{"title":"A Refined Search for Pulsations in White Dwarf Companions to Millisecond Pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Gianninas, A. H. Corsico, Alekzander Kosakowski, J. J. Hermes, John Antoniadis, Leandro G. Althaus, Leila M. Calcaferro, M. J. Green, Mukremin Kilic, Warren R. Brown","submitted_at":"2018-06-10T12:46:23Z","abstract_excerpt":"We present optical high-speed photometry of three millisecond pulsars with low-mass ($< 0.3 M_{\\odot}$) white dwarf companions, bringing the total number of such systems with follow-up time-series photometry to five. We confirm the detection of pulsations in one system, the white dwarf companion to PSR J1738+0333, and show that the pulsation frequencies and amplitudes are variable over many months. A full asteroseismic analysis for this star is under-constrained, but the mode periods we observe are consistent with expectations for a $M_{\\star} = 0.16 - 0.19 M_{\\odot}$ white dwarf, as suggested"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1806.03650","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-10T12:46:23Z","cross_cats_sorted":[],"title_canon_sha256":"e9ad045fc67e169b6b02a039dbbf3e9e25580bb267b38e6f751496421f4ef7d3","abstract_canon_sha256":"b351c8db46a4b5cf46895913f9b32172f89381b0dc7ffb4efbce09247233bb8c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:16.566916Z","signature_b64":"aCl9UlId58y96K25Y7e1cMlIwVxhybfmSZGAq2GRdBloT5NvChbuL90hbfEiE7/M+bfjcFHZjVpfbe8sy4jnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"341c136edd2acd75c66517e71fb1e9b1f68878167d1d6fe69794f80a9c432ca6","last_reissued_at":"2026-05-18T00:12:16.566177Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:16.566177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Refined Search for Pulsations in White Dwarf Companions to Millisecond Pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Gianninas, A. H. Corsico, Alekzander Kosakowski, J. J. Hermes, John Antoniadis, Leandro G. Althaus, Leila M. Calcaferro, M. J. Green, Mukremin Kilic, Warren R. Brown","submitted_at":"2018-06-10T12:46:23Z","abstract_excerpt":"We present optical high-speed photometry of three millisecond pulsars with low-mass ($< 0.3 M_{\\odot}$) white dwarf companions, bringing the total number of such systems with follow-up time-series photometry to five. We confirm the detection of pulsations in one system, the white dwarf companion to PSR J1738+0333, and show that the pulsation frequencies and amplitudes are variable over many months. A full asteroseismic analysis for this star is under-constrained, but the mode periods we observe are consistent with expectations for a $M_{\\star} = 0.16 - 0.19 M_{\\odot}$ white dwarf, as suggested"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03650","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1806.03650","created_at":"2026-05-18T00:12:16.566291+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.03650v1","created_at":"2026-05-18T00:12:16.566291+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03650","created_at":"2026-05-18T00:12:16.566291+00:00"},{"alias_kind":"pith_short_12","alias_value":"GQOBG3W5FLGX","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"GQOBG3W5FLGXLRTF","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"GQOBG3W5","created_at":"2026-05-18T12:32:25.280505+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH","json":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH.json","graph_json":"https://pith.science/api/pith-number/GQOBG3W5FLGXLRTFC7TR7MPJWH/graph.json","events_json":"https://pith.science/api/pith-number/GQOBG3W5FLGXLRTFC7TR7MPJWH/events.json","paper":"https://pith.science/paper/GQOBG3W5"},"agent_actions":{"view_html":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH","download_json":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH.json","view_paper":"https://pith.science/paper/GQOBG3W5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.03650&json=true","fetch_graph":"https://pith.science/api/pith-number/GQOBG3W5FLGXLRTFC7TR7MPJWH/graph.json","fetch_events":"https://pith.science/api/pith-number/GQOBG3W5FLGXLRTFC7TR7MPJWH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH/action/storage_attestation","attest_author":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH/action/author_attestation","sign_citation":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH/action/citation_signature","submit_replication":"https://pith.science/pith/GQOBG3W5FLGXLRTFC7TR7MPJWH/action/replication_record"}},"created_at":"2026-05-18T00:12:16.566291+00:00","updated_at":"2026-05-18T00:12:16.566291+00:00"}