{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KGHKB7NYWTODTYQ6ZV67ZGGFGF","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":"93c6f15c9ed3d8c786420a08017803976bdf46e574693ed9fb8fe0822f4d21b3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-02T12:15:20Z","title_canon_sha256":"88c800dd887c06581a6715fffbe7883db587107e9696bee3d8d4841182e124e1"},"schema_version":"1.0","source":{"id":"2607.02076","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.02076","created_at":"2026-07-03T01:17:39Z"},{"alias_kind":"arxiv_version","alias_value":"2607.02076v1","created_at":"2026-07-03T01:17:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.02076","created_at":"2026-07-03T01:17:39Z"},{"alias_kind":"pith_short_12","alias_value":"KGHKB7NYWTOD","created_at":"2026-07-03T01:17:39Z"},{"alias_kind":"pith_short_16","alias_value":"KGHKB7NYWTODTYQ6","created_at":"2026-07-03T01:17:39Z"},{"alias_kind":"pith_short_8","alias_value":"KGHKB7NY","created_at":"2026-07-03T01:17:39Z"}],"graph_snapshots":[{"event_id":"sha256:b9114f07c97260ee3417d90313823a0ecb99a06ba61728791919820d57fb0deb","target":"graph","created_at":"2026-07-03T01:17:39Z","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/2607.02076/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a new photometric and spectroscopic analysis of detached eclipsing binary IR Cas based on TESS observations, supplementary ground-based photometry in Sloan $g^\\prime$, $r^\\prime$, and $i^\\prime$ filters, and newly obtained radial velocity measurements. The updated orbital and physical parameters of the system were derived using combined light-curve and radial-velocity modeling. The resulting solution indicates that both components are main-sequence stars with masses of approximately $1.32$ M$_{\\odot}$ and $1.05$ M$_{\\odot}$. We investigated in detail the fact, that the TESS light cu","authors_text":"Marek Skarka, Martin Va\\v{n}ko, Mat\\'u\\v{s} Kamenec, Pavol Gajdo\\v{s}, Reddy Charan Reddy Munagala, \\v{S}tefan Parimucha","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-02T12:15:20Z","title":"Revision of the Detached Eclipsing System IR Cas from TESS Observations, Ground-Based Photometry and Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.02076","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":"sha256:26413a9c631eb1f7480800e54eaa54810e44c976bf2bda575f0de0e2100f8039","target":"record","created_at":"2026-07-03T01:17:39Z","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":"93c6f15c9ed3d8c786420a08017803976bdf46e574693ed9fb8fe0822f4d21b3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-02T12:15:20Z","title_canon_sha256":"88c800dd887c06581a6715fffbe7883db587107e9696bee3d8d4841182e124e1"},"schema_version":"1.0","source":{"id":"2607.02076","kind":"arxiv","version":1}},"canonical_sha256":"518ea0fdb8b4dc39e21ecd7dfc98c531651a802a9f782450c09c49be3edbc054","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"518ea0fdb8b4dc39e21ecd7dfc98c531651a802a9f782450c09c49be3edbc054","first_computed_at":"2026-07-03T01:17:39.093653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T01:17:39.093653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4/ZaWty9qNc4cPGYH6BY0fUmA1i2OF1qk+GX/1v3OW9saueqKewhwvt9Ib+XLLz5UfU9pNQgPgGEIhDvDTstBw==","signature_status":"signed_v1","signed_at":"2026-07-03T01:17:39.094089Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.02076","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26413a9c631eb1f7480800e54eaa54810e44c976bf2bda575f0de0e2100f8039","sha256:b9114f07c97260ee3417d90313823a0ecb99a06ba61728791919820d57fb0deb"],"state_sha256":"5fe716759eebcb3bcce76f00201cb3186de60c4112dab0da63c3fc0bfdc5f394"}