{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:P6XCXKPZ2MDZ4P2F6C3VR72O7C","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":"5fb5dc1b9ba856846784e6f19e8c7f2e72e5e2ccddad37ef4714068e30795698","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-18T17:34:31Z","title_canon_sha256":"c144ad29171ccf6efd312ac413f4ca37619a282264183eec94d77c7d7d7237b7"},"schema_version":"1.0","source":{"id":"1712.06546","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.06546","created_at":"2026-05-18T00:27:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.06546v1","created_at":"2026-05-18T00:27:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.06546","created_at":"2026-05-18T00:27:47Z"},{"alias_kind":"pith_short_12","alias_value":"P6XCXKPZ2MDZ","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"P6XCXKPZ2MDZ4P2F","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"P6XCXKPZ","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:f188d7c0497aecc37e1cb1e50cacd2e90354185d42a3ba9e3cd967c2154f8006","target":"graph","created_at":"2026-05-18T00:27:47Z","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":"Photometric surveys at optical, ultraviolet, and infrared wavelengths provide ever growing datasets as major surveys proceed. Colour-colour diagrams are useful tools to identify classes of stars and to provide large samples. Combining all photometric measurements of a star into a spectral energy distribution will allow quantitative analyses to be carried out. We demonstrate how to construct and exploit spectral energy distributions and colours for sublumious B (sdB) stars. The aim is to identify cool companions to hot subdwarfs and to determine atmospheric parameters of apparently single sdB s","authors_text":"Andreas Irrgang, Johannes Schaffenroth, Ulrich Heber","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-18T17:34:31Z","title":"Spectral energy distributions and colours of hot subluminous stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.06546","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":"sha256:7a0480f9d37c7e1efa505acdfde5ce16f3a4412bdfbf4c0ea4eb561f746192ec","target":"record","created_at":"2026-05-18T00:27:47Z","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":"5fb5dc1b9ba856846784e6f19e8c7f2e72e5e2ccddad37ef4714068e30795698","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-18T17:34:31Z","title_canon_sha256":"c144ad29171ccf6efd312ac413f4ca37619a282264183eec94d77c7d7d7237b7"},"schema_version":"1.0","source":{"id":"1712.06546","kind":"arxiv","version":1}},"canonical_sha256":"7fae2ba9f9d3079e3f45f0b758ff4ef8b32fad903e02ce20c2474ada61b6a433","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fae2ba9f9d3079e3f45f0b758ff4ef8b32fad903e02ce20c2474ada61b6a433","first_computed_at":"2026-05-18T00:27:47.601987Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:47.601987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vppOndYQ+0Kr91WO0+1C5oGPSYgJltUivfDfgKFUvgu6v9At7XUP+Pgm7uXsQ86JvJ9htIx4lRQ2GcURNvX4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:47.602555Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.06546","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a0480f9d37c7e1efa505acdfde5ce16f3a4412bdfbf4c0ea4eb561f746192ec","sha256:f188d7c0497aecc37e1cb1e50cacd2e90354185d42a3ba9e3cd967c2154f8006"],"state_sha256":"9a44e963a00b7fa99db93edabd9f06e023c910093ece4143a9b7eb5069ba6d96"}