{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:BIDUOD3SINLXD2EFQ2TS6DK6JE","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":"e2438f680c7001bda149e3eb82b98ad69d1040f4fcd946c2667414633d393cfd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-24T18:28:42Z","title_canon_sha256":"632d39c098e083639be585003c21e653bb179c5ff0f900b9c43717477a243b25"},"schema_version":"1.0","source":{"id":"2606.26283","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26283","created_at":"2026-06-26T00:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26283v1","created_at":"2026-06-26T00:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26283","created_at":"2026-06-26T00:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"BIDUOD3SINLX","created_at":"2026-06-26T00:15:34Z"},{"alias_kind":"pith_short_16","alias_value":"BIDUOD3SINLXD2EF","created_at":"2026-06-26T00:15:34Z"},{"alias_kind":"pith_short_8","alias_value":"BIDUOD3S","created_at":"2026-06-26T00:15:34Z"}],"graph_snapshots":[{"event_id":"sha256:f9ed92625c7f683466c6ed602b764e385518699a28bbb365cddc8f354891cb1b","target":"graph","created_at":"2026-06-26T00:15:34Z","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/2606.26283/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The combined time series of the consistently calibrated chromospheric activity indicator, the S-index -- derived from Mount Wilson and TIGRE data -- now spans more than five decades of monitoring observations of the Sun and of more than one hundred solar-like stars. For the first time, these data allow us to probe the long-term stability of solar-type magnetic cycles as well as their possible transition into other behavioral forms of stellar activity in the time domain. Such variability studies are an important input for solar-stellar connection research and for our empirical understanding of ","authors_text":"A. Hempelmann, Dennis Jack, J. H. M. M. Schmitt, J. N. Gonz\\'alez-P\\'erez, K.-P. Schr\\\"oder, M. Mittag","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-24T18:28:42Z","title":"Six decades of TIGRE and Mount Wilson chromospheric monitoring in the H and K lines: The quest for an understanding of solar-type activity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26283","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":"sha256:9f2a2af79c32e996bca9f7ba47b07f35a8ea8194e53ab7cec67ae1635b76b044","target":"record","created_at":"2026-06-26T00:15:34Z","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":"e2438f680c7001bda149e3eb82b98ad69d1040f4fcd946c2667414633d393cfd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-24T18:28:42Z","title_canon_sha256":"632d39c098e083639be585003c21e653bb179c5ff0f900b9c43717477a243b25"},"schema_version":"1.0","source":{"id":"2606.26283","kind":"arxiv","version":1}},"canonical_sha256":"0a07470f72435771e88586a72f0d5e4927291c244f939de3e4202611615a788f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a07470f72435771e88586a72f0d5e4927291c244f939de3e4202611615a788f","first_computed_at":"2026-06-26T00:15:34.541649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T00:15:34.541649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UXV8BmfoO6oWfPOowWgrLyk1V1okJAXXhj8Ct1bjHWwDXeHelJD07KFdC+g7IzX8WoCGu/LvbyY5rum/+zrpCQ==","signature_status":"signed_v1","signed_at":"2026-06-26T00:15:34.542066Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26283","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f2a2af79c32e996bca9f7ba47b07f35a8ea8194e53ab7cec67ae1635b76b044","sha256:f9ed92625c7f683466c6ed602b764e385518699a28bbb365cddc8f354891cb1b"],"state_sha256":"c15d3b792084113dc65f7531c87b8bea3d556b4d4e75b282a324d6403ac288d1"}