{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PB7WWRMNJCJ4FE2ROWFK7FQGX5","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":"6a3351dcc7afe1c0d513ec73c01c7ab046335db1070edfa9106750a26f7efc55","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-16T12:55:31Z","title_canon_sha256":"8c75401692c89ab0ed70737bf48e43e2920103770ec630d7df2f82a9b2bf2454"},"schema_version":"1.0","source":{"id":"1807.05825","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05825","created_at":"2026-05-18T00:03:04Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05825v1","created_at":"2026-05-18T00:03:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05825","created_at":"2026-05-18T00:03:04Z"},{"alias_kind":"pith_short_12","alias_value":"PB7WWRMNJCJ4","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"PB7WWRMNJCJ4FE2R","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"PB7WWRMN","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:47000804a7cd95795f810b78a71eb8573d2561b2894857ddc9db16fff33bd377","target":"graph","created_at":"2026-05-18T00:03:04Z","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":"The connection between stellar rotation, stellar activity, and convective turnover time is revisited with a focus on the sole contribution of magnetic activity to the Ca II H&K emission, the so-called excess flux, and its dimensionless indicator R$^{+}_{\\rm{HK}}$ in relation to other stellar parameters and activity indicators. Our study is based on a sample of 169 main-sequence stars with directly measured Mount Wilson S-indices and rotation periods. The R$^{+}_{\\rm{HK}}$ values are derived from the respective S-indices and related to the rotation periods in various $B-V$-colour intervals. Fir","authors_text":"(2), Department of Astronomy, J. H. M. M. Schmitt (1), K.-P. Schr\\\"oder (2) ((1) Hamburger Sternwarte, M. Mittag (1), Universit\\\"at Hamburg, University of Guanajuato)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-16T12:55:31Z","title":"Revisiting the connection between magnetic activity, rotation period, and convective turnover time for main-sequence stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05825","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":"sha256:41ebe83a3cf4c2d14b7ab3055c814e0b8a68f5841f469c25408e9c3dee41a17a","target":"record","created_at":"2026-05-18T00:03:04Z","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":"6a3351dcc7afe1c0d513ec73c01c7ab046335db1070edfa9106750a26f7efc55","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-16T12:55:31Z","title_canon_sha256":"8c75401692c89ab0ed70737bf48e43e2920103770ec630d7df2f82a9b2bf2454"},"schema_version":"1.0","source":{"id":"1807.05825","kind":"arxiv","version":1}},"canonical_sha256":"787f6b458d4893c29351758aaf9606bf79ad8dca434dc364483cd7618ea2e73b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"787f6b458d4893c29351758aaf9606bf79ad8dca434dc364483cd7618ea2e73b","first_computed_at":"2026-05-18T00:03:04.538114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:04.538114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ic6Awe7QrqXx3JBEa+p25zg6RnmhMCWsz+OqDPv5/U9C2SmNuKFowUcfYYkmvLa5Bml/JkOVWx3KdTgxLv6lDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:04.538572Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05825","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41ebe83a3cf4c2d14b7ab3055c814e0b8a68f5841f469c25408e9c3dee41a17a","sha256:47000804a7cd95795f810b78a71eb8573d2561b2894857ddc9db16fff33bd377"],"state_sha256":"0626b9ab86ab7f61fa54e22bf57b5fe5401d793e9454791715316877962973d2"}