{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5RN3KJYEYUNSCMGDQE6LIUCYXG","short_pith_number":"pith:5RN3KJYE","canonical_record":{"source":{"id":"1208.6226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-30T16:27:11Z","cross_cats_sorted":[],"title_canon_sha256":"aac14ac9f605ecf01c2bef18b2e910c28c48f33608d2b508d1a6de3f3405091e","abstract_canon_sha256":"a569cc4cd0ad3576a8dd91aa0e1cb2ba41133473789d878093cbc310f31eb095"},"schema_version":"1.0"},"canonical_sha256":"ec5bb52704c51b2130c3813cb45058b9b7780fbbfd9f20ec1f0de8e401650048","source":{"kind":"arxiv","id":"1208.6226","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6226","created_at":"2026-05-18T03:46:46Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6226v1","created_at":"2026-05-18T03:46:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6226","created_at":"2026-05-18T03:46:46Z"},{"alias_kind":"pith_short_12","alias_value":"5RN3KJYEYUNS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5RN3KJYEYUNSCMGD","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5RN3KJYE","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5RN3KJYEYUNSCMGDQE6LIUCYXG","target":"record","payload":{"canonical_record":{"source":{"id":"1208.6226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-30T16:27:11Z","cross_cats_sorted":[],"title_canon_sha256":"aac14ac9f605ecf01c2bef18b2e910c28c48f33608d2b508d1a6de3f3405091e","abstract_canon_sha256":"a569cc4cd0ad3576a8dd91aa0e1cb2ba41133473789d878093cbc310f31eb095"},"schema_version":"1.0"},"canonical_sha256":"ec5bb52704c51b2130c3813cb45058b9b7780fbbfd9f20ec1f0de8e401650048","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:46.147870Z","signature_b64":"N3s94WXT7DyJd5iJmpHqa7YvMtkTdTTGf4P7sj/w+TDBrFkxBPaRWahNyK3GL8qECc2Cj6WRkwnp3ccLmUirCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec5bb52704c51b2130c3813cb45058b9b7780fbbfd9f20ec1f0de8e401650048","last_reissued_at":"2026-05-18T03:46:46.147361Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:46.147361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.6226","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":"2026-05-18T03:46:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fU+q057nkvnpEyfzfHnm5yaqHG9BDteXYDrt9bvjyAR9xgASB2Hq1GknhNgPijilV4is4JwPRNXw0Yxpm1zMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:45:26.702464Z"},"content_sha256":"8856be785ffe27790ef4232aeed10593556e9447452858fc8d8d206fc4a9b92c","schema_version":"1.0","event_id":"sha256:8856be785ffe27790ef4232aeed10593556e9447452858fc8d8d206fc4a9b92c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5RN3KJYEYUNSCMGDQE6LIUCYXG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Properties of hot subdwarfs in the GALEX survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Adela Kawka, Peter Nemeth, Stephane Vennes","submitted_at":"2012-08-30T16:27:11Z","abstract_excerpt":"We have analyzed a sample of hot subdwarfs (sdB, sdO) selected from the GALEX ultraviolet sky survey. Applying a model atmosphere analysis we determined the temperature, surface gravity, and helium-to-hydrogen abundance ratio, and obtained preliminary constraints on the CNO abundance for a sample of 181 stars. Adopting colourimetric (ultraviolet-infrared) and quantitative spectral decomposition we also investigated the incidence of solar type or earlier (A, F, G) companions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6226","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":"2026-05-18T03:46:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7zsKRDKNtMBUrGql7/zwaMDY3Wswg/EWrWk4JDQ5z6l2R14mqjNR3trNLaBdwiqH+iY+6M5ONCA6NHNqAciHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:45:26.703103Z"},"content_sha256":"bf71f8fb8ef45afc119e62f0b7d1763e264f88287c55fd84793bb864f5525f5c","schema_version":"1.0","event_id":"sha256:bf71f8fb8ef45afc119e62f0b7d1763e264f88287c55fd84793bb864f5525f5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG/bundle.json","state_url":"https://pith.science/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG/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":"2026-05-30T02:45:26Z","links":{"resolver":"https://pith.science/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG","bundle":"https://pith.science/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG/bundle.json","state":"https://pith.science/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RN3KJYEYUNSCMGDQE6LIUCYXG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5RN3KJYEYUNSCMGDQE6LIUCYXG","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":"a569cc4cd0ad3576a8dd91aa0e1cb2ba41133473789d878093cbc310f31eb095","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-30T16:27:11Z","title_canon_sha256":"aac14ac9f605ecf01c2bef18b2e910c28c48f33608d2b508d1a6de3f3405091e"},"schema_version":"1.0","source":{"id":"1208.6226","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6226","created_at":"2026-05-18T03:46:46Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6226v1","created_at":"2026-05-18T03:46:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6226","created_at":"2026-05-18T03:46:46Z"},{"alias_kind":"pith_short_12","alias_value":"5RN3KJYEYUNS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5RN3KJYEYUNSCMGD","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5RN3KJYE","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:bf71f8fb8ef45afc119e62f0b7d1763e264f88287c55fd84793bb864f5525f5c","target":"graph","created_at":"2026-05-18T03:46:46Z","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":"We have analyzed a sample of hot subdwarfs (sdB, sdO) selected from the GALEX ultraviolet sky survey. Applying a model atmosphere analysis we determined the temperature, surface gravity, and helium-to-hydrogen abundance ratio, and obtained preliminary constraints on the CNO abundance for a sample of 181 stars. Adopting colourimetric (ultraviolet-infrared) and quantitative spectral decomposition we also investigated the incidence of solar type or earlier (A, F, G) companions.","authors_text":"Adela Kawka, Peter Nemeth, Stephane Vennes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-30T16:27:11Z","title":"Properties of hot subdwarfs in the GALEX survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6226","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":"sha256:8856be785ffe27790ef4232aeed10593556e9447452858fc8d8d206fc4a9b92c","target":"record","created_at":"2026-05-18T03:46:46Z","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":"a569cc4cd0ad3576a8dd91aa0e1cb2ba41133473789d878093cbc310f31eb095","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-30T16:27:11Z","title_canon_sha256":"aac14ac9f605ecf01c2bef18b2e910c28c48f33608d2b508d1a6de3f3405091e"},"schema_version":"1.0","source":{"id":"1208.6226","kind":"arxiv","version":1}},"canonical_sha256":"ec5bb52704c51b2130c3813cb45058b9b7780fbbfd9f20ec1f0de8e401650048","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec5bb52704c51b2130c3813cb45058b9b7780fbbfd9f20ec1f0de8e401650048","first_computed_at":"2026-05-18T03:46:46.147361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:46.147361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N3s94WXT7DyJd5iJmpHqa7YvMtkTdTTGf4P7sj/w+TDBrFkxBPaRWahNyK3GL8qECc2Cj6WRkwnp3ccLmUirCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:46.147870Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.6226","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8856be785ffe27790ef4232aeed10593556e9447452858fc8d8d206fc4a9b92c","sha256:bf71f8fb8ef45afc119e62f0b7d1763e264f88287c55fd84793bb864f5525f5c"],"state_sha256":"c3ec0dc1ce552b408ab4d3df61fc2c6e55db82f555b875b0250e6f10090a9f73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aZ2V/OpOtfkMdo/CacsFuexdKMl47vQ4xUgY7VXxsIBA65xegmM2fi8A/64/igemIfBd6GvS50o4ghbjKRsuBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:45:26.707206Z","bundle_sha256":"54f77787d871ee91e0a9f5b1ac7fbfe77e8e36a68608b4b34006db618ace5135"}}