{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FNVEK5HSMIGM76HOFQY6OYLIOS","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":"86c14650115821bc5ac72f4e2bdb8727758691bab6fe85d62704feb6e357a01b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-01T14:35:56Z","title_canon_sha256":"1f324c428175fb288a3d125d7b89701e02e3338a97d3ae46529dcd5508745d9b"},"schema_version":"1.0","source":{"id":"1512.00270","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00270","created_at":"2026-05-18T01:17:18Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00270v2","created_at":"2026-05-18T01:17:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00270","created_at":"2026-05-18T01:17:18Z"},{"alias_kind":"pith_short_12","alias_value":"FNVEK5HSMIGM","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FNVEK5HSMIGM76HO","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FNVEK5HS","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:f9278751870adcdff0f9a5b81c94e1942a20589ea49aff6042bcc80a50cb2f3e","target":"graph","created_at":"2026-05-18T01:17:18Z","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":"Kanzelh\\\"ohe Observatory (KSO) was founded during World War II by the \"Deutsche Luftwaffe\" (German Airforces) as one station of a network of observatories, which should provide information on solar activity in order to better assess the actual conditions of the Earth's ionosphere in terms of radio wave propagation. The solar observations began in 1943 with photographs of the photosphere, drawings of sunspots, plage regions and faculae, as well as patrol observations of the solar corona. At the beginning all data was sent to Freiburg (Germany). After WWII international cooperation was establish","authors_text":"Astrid M. Veronig, Dietmar Baumgartner, Heinrich Freislich, Heinz Strutzmann, Manuela Temmer, Werner P\\\"otzi","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-01T14:35:56Z","title":"70 years of Sunspot Observations at Kanzelh\\\"ohe Observatory: systematic study of parameters affecting the derivation of the relative sunspot number"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00270","kind":"arxiv","version":2},"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":"sha256:660eca08280141b74879ae7b663186e45b38aa94bfa59cb9b3528fd02d093f5e","target":"record","created_at":"2026-05-18T01:17:18Z","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":"86c14650115821bc5ac72f4e2bdb8727758691bab6fe85d62704feb6e357a01b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-01T14:35:56Z","title_canon_sha256":"1f324c428175fb288a3d125d7b89701e02e3338a97d3ae46529dcd5508745d9b"},"schema_version":"1.0","source":{"id":"1512.00270","kind":"arxiv","version":2}},"canonical_sha256":"2b6a4574f2620ccff8ee2c31e7616874823a69aaf7c200b411cfa547b8e96d36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b6a4574f2620ccff8ee2c31e7616874823a69aaf7c200b411cfa547b8e96d36","first_computed_at":"2026-05-18T01:17:18.163682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:18.163682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j1q9KZZ3fqV7EyIcrLWUE/uVvk5lPIJXPJT3h7sE44Op63FxePOG5TWHsUWRNXq+5ZAnWVT7EYfltkM9TpvlBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:18.164363Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.00270","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:660eca08280141b74879ae7b663186e45b38aa94bfa59cb9b3528fd02d093f5e","sha256:f9278751870adcdff0f9a5b81c94e1942a20589ea49aff6042bcc80a50cb2f3e"],"state_sha256":"73b562c7dbc3ba57e8b0d7612625e1c53b9308994d3ffe58be2f0b74fa7bacb5"}