{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TEOHG2ZJMU4J77HWMMJGD5C6FW","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":"314c4bb22bdef6b502dca1365213f124e06564b46369aa91b576405e3acb5a9f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-05T04:16:40Z","title_canon_sha256":"1266c35fa68ee87960f54ddf171b53dce79b579ef7817b3efde4c0f8a66f76bd"},"schema_version":"1.0","source":{"id":"2506.04615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.04615","created_at":"2026-07-05T11:16:17Z"},{"alias_kind":"arxiv_version","alias_value":"2506.04615v1","created_at":"2026-07-05T11:16:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.04615","created_at":"2026-07-05T11:16:17Z"},{"alias_kind":"pith_short_12","alias_value":"TEOHG2ZJMU4J","created_at":"2026-07-05T11:16:17Z"},{"alias_kind":"pith_short_16","alias_value":"TEOHG2ZJMU4J77HW","created_at":"2026-07-05T11:16:17Z"},{"alias_kind":"pith_short_8","alias_value":"TEOHG2ZJ","created_at":"2026-07-05T11:16:17Z"}],"graph_snapshots":[{"event_id":"sha256:c66545c84f7f7b24efba67060a83a75d2b5b37d0a6e02b4e579b286d06d80772","target":"graph","created_at":"2026-07-05T11:16:17Z","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/2506.04615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"V1674 Her is one of the fastest novae, of which the very early phase is well observed including optical rise to the peak over 10 magnitudes. We present a full theoretical light curve model of V1674 Her. Our $1.35~M_\\odot$ white dwarf (WD) model with the mass accretion rate of $1\\times 10^{-11}~M_\\odot$ yr$^{-1}$ explains overall properties including a very fast rise and decay of the optical $V$ light curve. The WD photosphere expands up to $21 ~R_\\odot$, thus, a $0.26 ~M_\\odot$ companion star orbiting the WD every 3.67 hours, is engulfed 2.7 hours after the onset of thermonuclear runaway, and ","authors_text":"Hideyuki Saio, Izumi Hachisu, Mariko Kato","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-05T04:16:40Z","title":"A comprehensive light curve model of the very fast nova V1674 Herculis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.04615","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:a281999eb0ea5cfe172b89ab3912bba06d0b2a58eb519fd70473f8624dd011c1","target":"record","created_at":"2026-07-05T11:16:17Z","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":"314c4bb22bdef6b502dca1365213f124e06564b46369aa91b576405e3acb5a9f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-05T04:16:40Z","title_canon_sha256":"1266c35fa68ee87960f54ddf171b53dce79b579ef7817b3efde4c0f8a66f76bd"},"schema_version":"1.0","source":{"id":"2506.04615","kind":"arxiv","version":1}},"canonical_sha256":"991c736b2965389ffcf6631261f45e2da7cd9a6b325213203b6803f7eee01648","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"991c736b2965389ffcf6631261f45e2da7cd9a6b325213203b6803f7eee01648","first_computed_at":"2026-07-05T11:16:17.889392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:16:17.889392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"07mYqBryscJdBx5Femfh+/RxaIP6YsTsv5WZH0mR869pkUjP9uZkEGPsCylZU1peHgm3DihDCnLbw0+KhN0xAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:16:17.889834Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.04615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a281999eb0ea5cfe172b89ab3912bba06d0b2a58eb519fd70473f8624dd011c1","sha256:c66545c84f7f7b24efba67060a83a75d2b5b37d0a6e02b4e579b286d06d80772"],"state_sha256":"e7a44f3c37c5fd6ffb09f1c04fbfd75610834d5647227ab2f10615f8e18ccd28"}