{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VSYVP4WZJCDCWVRFJMTD5MBQYV","short_pith_number":"pith:VSYVP4WZ","canonical_record":{"source":{"id":"1109.5653","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-26T17:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"f67fe8dac31948efcfc0b353bee78e362776f7ad9c6e7c0a3a82236f66b92ff9","abstract_canon_sha256":"266bcd3554d3c43f09a7a1f305e8845c9b6baa041c5c3986b20a5d22cc0275ba"},"schema_version":"1.0"},"canonical_sha256":"acb157f2d948862b56254b263eb030c55728ebd99b176626ff534dc028c0656e","source":{"kind":"arxiv","id":"1109.5653","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5653","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5653v1","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5653","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"pith_short_12","alias_value":"VSYVP4WZJCDC","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VSYVP4WZJCDCWVRF","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VSYVP4WZ","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VSYVP4WZJCDCWVRFJMTD5MBQYV","target":"record","payload":{"canonical_record":{"source":{"id":"1109.5653","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-26T17:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"f67fe8dac31948efcfc0b353bee78e362776f7ad9c6e7c0a3a82236f66b92ff9","abstract_canon_sha256":"266bcd3554d3c43f09a7a1f305e8845c9b6baa041c5c3986b20a5d22cc0275ba"},"schema_version":"1.0"},"canonical_sha256":"acb157f2d948862b56254b263eb030c55728ebd99b176626ff534dc028c0656e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:23.331051Z","signature_b64":"1UIoWYFgYeKlrJW90O27eKO8XMsMSLHpRZBCW/Cb8SjUJaZk7qOIDILjdowzpd0ThfNFLwegWEE7yqIDUgQjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acb157f2d948862b56254b263eb030c55728ebd99b176626ff534dc028c0656e","last_reissued_at":"2026-05-18T02:00:23.330392Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:23.330392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.5653","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZzaIEMnk/o2GT6UJC3E3XoK3mqmB+ALW8qnEm/wgusQhrdXAveo2QBYeWmeWtulM2jbdoACT4oHCFV/CnvjGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:19:11.894926Z"},"content_sha256":"a52f4209373505fbacd1f8bec74d346b1f5193528bd69d3e53573995764be366","schema_version":"1.0","event_id":"sha256:a52f4209373505fbacd1f8bec74d346b1f5193528bd69d3e53573995764be366"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VSYVP4WZJCDCWVRFJMTD5MBQYV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Far Ultraviolet Continuum Emission: Applying this Diagnostic to the Chromospheres of Solar-Mass Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jeffrey L. Linsky, Juan Fontenla, Kevin France, Rachel Bushinsky, Tom Ayres","submitted_at":"2011-09-26T17:43:16Z","abstract_excerpt":"The far ultraviolet (FUV) continuum flux is recognized as a very sensitive diag- nostic of the temperature structure of the Sun's lower chromosphere. Until now analysis of the available stellar FUV data has shown that solar-type stars must also have chromospheres, but quantitative analyses of stellar FUV continua require far higher quality spectra and comparison with new non-LTE chromosphere models. We present accurate far ultraviolet (FUV, 1150-1500^{\\circ}) continuum flux measurements for solar-mass stars, made feasible by the high throughput and very low detector background of the Cosmic Or"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5653","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oRztDWYxXFChE9z8pa5oxy7vcXnm0uUTi0ydRdbw/pKERTK7R2uTQHITNPJWLnZhRGyCt0WhWL/hDdY9ZtkbBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:19:11.895310Z"},"content_sha256":"93892f1027f7117c813fab256a620281df3fa32c77d88ce782bb02a0e6b86770","schema_version":"1.0","event_id":"sha256:93892f1027f7117c813fab256a620281df3fa32c77d88ce782bb02a0e6b86770"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV/bundle.json","state_url":"https://pith.science/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T05:19:11Z","links":{"resolver":"https://pith.science/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV","bundle":"https://pith.science/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV/bundle.json","state":"https://pith.science/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VSYVP4WZJCDCWVRFJMTD5MBQYV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VSYVP4WZJCDCWVRFJMTD5MBQYV","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":"266bcd3554d3c43f09a7a1f305e8845c9b6baa041c5c3986b20a5d22cc0275ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-26T17:43:16Z","title_canon_sha256":"f67fe8dac31948efcfc0b353bee78e362776f7ad9c6e7c0a3a82236f66b92ff9"},"schema_version":"1.0","source":{"id":"1109.5653","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5653","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5653v1","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5653","created_at":"2026-05-18T02:00:23Z"},{"alias_kind":"pith_short_12","alias_value":"VSYVP4WZJCDC","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VSYVP4WZJCDCWVRF","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VSYVP4WZ","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:93892f1027f7117c813fab256a620281df3fa32c77d88ce782bb02a0e6b86770","target":"graph","created_at":"2026-05-18T02:00:23Z","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 far ultraviolet (FUV) continuum flux is recognized as a very sensitive diag- nostic of the temperature structure of the Sun's lower chromosphere. Until now analysis of the available stellar FUV data has shown that solar-type stars must also have chromospheres, but quantitative analyses of stellar FUV continua require far higher quality spectra and comparison with new non-LTE chromosphere models. We present accurate far ultraviolet (FUV, 1150-1500^{\\circ}) continuum flux measurements for solar-mass stars, made feasible by the high throughput and very low detector background of the Cosmic Or","authors_text":"Jeffrey L. Linsky, Juan Fontenla, Kevin France, Rachel Bushinsky, Tom Ayres","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-26T17:43:16Z","title":"Far Ultraviolet Continuum Emission: Applying this Diagnostic to the Chromospheres of Solar-Mass Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5653","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:a52f4209373505fbacd1f8bec74d346b1f5193528bd69d3e53573995764be366","target":"record","created_at":"2026-05-18T02:00:23Z","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":"266bcd3554d3c43f09a7a1f305e8845c9b6baa041c5c3986b20a5d22cc0275ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-26T17:43:16Z","title_canon_sha256":"f67fe8dac31948efcfc0b353bee78e362776f7ad9c6e7c0a3a82236f66b92ff9"},"schema_version":"1.0","source":{"id":"1109.5653","kind":"arxiv","version":1}},"canonical_sha256":"acb157f2d948862b56254b263eb030c55728ebd99b176626ff534dc028c0656e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acb157f2d948862b56254b263eb030c55728ebd99b176626ff534dc028c0656e","first_computed_at":"2026-05-18T02:00:23.330392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:23.330392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1UIoWYFgYeKlrJW90O27eKO8XMsMSLHpRZBCW/Cb8SjUJaZk7qOIDILjdowzpd0ThfNFLwegWEE7yqIDUgQjBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:23.331051Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.5653","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a52f4209373505fbacd1f8bec74d346b1f5193528bd69d3e53573995764be366","sha256:93892f1027f7117c813fab256a620281df3fa32c77d88ce782bb02a0e6b86770"],"state_sha256":"5288b7f4deae1f8aac542dd7caf341aaf0353a8ca2e18f566ba6346ff34cf485"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ayBc0Xo1V2xZL+IXXmZ4BKTjLxOWG0HiIAfXbRbk53beV8VURwz56cbA5DK4p/sN5LHbEx+PmJK33CiKD2j/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:19:11.897377Z","bundle_sha256":"a469ec5683346cbd3e262e983075df808380035373f96d51f0d98fe3936372a2"}}