{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JYH7DEEVIOPWIMH7LGR3XOJGCD","short_pith_number":"pith:JYH7DEEV","schema_version":"1.0","canonical_sha256":"4e0ff19095439f6430ff59a3bbb92610deeed7bc1a6b88ef59d67cd62c4e3c52","source":{"kind":"arxiv","id":"1809.07486","version":2},"attestation_state":"computed","paper":{"title":"A geometrical 1% distance to the short-period binary Cepheid V1334 Cygni","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Gallenne, A. Merand, B. Pilecki, C.R Proffitt, D. Graczyk, E. Nelan, E. Winston, F. Baron, G. Pietrzynski, G. Schaefer, J. D. Monnier, L. Eyer, M. Taormina, N. Mowlavi, N. R. Evans, P. Kervella, R. I. Anderson, R. M. Roettenbacher, S. Borgniet, S. Kraus, W. Gieren","submitted_at":"2018-09-20T06:03:59Z","abstract_excerpt":"Cepheid stars play a considerable role as extragalactic distances indicators, thanks to the simple empirical relation between their pulsation period and their luminosity. They overlap with that of secondary distance indicators, such as Type Ia supernovae, whose distance scale is tied to Cepheid luminosities. However, the Period-Luminosity (P-L) relation still lacks a calibration to better than 5%. Using an original combination of interferometric astrometry with optical and ultraviolet spectroscopy, we measured the geometrical distance d = 720.35+/-7.84 pc of the 3.33 d period Cepheid V1334 Cyg"},"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":"1809.07486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-09-20T06:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"642b4a4b9a7008430d064f6ed248401f52d624d6abd5bd4c8b893378ed492f34","abstract_canon_sha256":"b7a0e7a9cf8bee2ec9911f7ad72ba3a43b6221497f723a2d9bbc06d7d6fff611"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:49.945890Z","signature_b64":"1OqRa1TdK+5r3hLv6356s3ejUvApvuwUXXD5TlZELOQgKBB45xZx6o1NXJDHjRL4LtfvpWnnHO7EmUI1DgynCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e0ff19095439f6430ff59a3bbb92610deeed7bc1a6b88ef59d67cd62c4e3c52","last_reissued_at":"2026-05-18T00:00:49.945213Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:49.945213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A geometrical 1% distance to the short-period binary Cepheid V1334 Cygni","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Gallenne, A. Merand, B. Pilecki, C.R Proffitt, D. Graczyk, E. Nelan, E. Winston, F. Baron, G. Pietrzynski, G. Schaefer, J. D. Monnier, L. Eyer, M. Taormina, N. Mowlavi, N. R. Evans, P. Kervella, R. I. Anderson, R. M. Roettenbacher, S. Borgniet, S. Kraus, W. Gieren","submitted_at":"2018-09-20T06:03:59Z","abstract_excerpt":"Cepheid stars play a considerable role as extragalactic distances indicators, thanks to the simple empirical relation between their pulsation period and their luminosity. They overlap with that of secondary distance indicators, such as Type Ia supernovae, whose distance scale is tied to Cepheid luminosities. However, the Period-Luminosity (P-L) relation still lacks a calibration to better than 5%. Using an original combination of interferometric astrometry with optical and ultraviolet spectroscopy, we measured the geometrical distance d = 720.35+/-7.84 pc of the 3.33 d period Cepheid V1334 Cyg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.07486","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1809.07486","created_at":"2026-05-18T00:00:49.945356+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.07486v2","created_at":"2026-05-18T00:00:49.945356+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.07486","created_at":"2026-05-18T00:00:49.945356+00:00"},{"alias_kind":"pith_short_12","alias_value":"JYH7DEEVIOPW","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"JYH7DEEVIOPWIMH7","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"JYH7DEEV","created_at":"2026-05-18T12:32:33.847187+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/JYH7DEEVIOPWIMH7LGR3XOJGCD","json":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD.json","graph_json":"https://pith.science/api/pith-number/JYH7DEEVIOPWIMH7LGR3XOJGCD/graph.json","events_json":"https://pith.science/api/pith-number/JYH7DEEVIOPWIMH7LGR3XOJGCD/events.json","paper":"https://pith.science/paper/JYH7DEEV"},"agent_actions":{"view_html":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD","download_json":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD.json","view_paper":"https://pith.science/paper/JYH7DEEV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.07486&json=true","fetch_graph":"https://pith.science/api/pith-number/JYH7DEEVIOPWIMH7LGR3XOJGCD/graph.json","fetch_events":"https://pith.science/api/pith-number/JYH7DEEVIOPWIMH7LGR3XOJGCD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD/action/storage_attestation","attest_author":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD/action/author_attestation","sign_citation":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD/action/citation_signature","submit_replication":"https://pith.science/pith/JYH7DEEVIOPWIMH7LGR3XOJGCD/action/replication_record"}},"created_at":"2026-05-18T00:00:49.945356+00:00","updated_at":"2026-05-18T00:00:49.945356+00:00"}