{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AHNNYLXMSVN4G3T2P37GFBA5IL","short_pith_number":"pith:AHNNYLXM","canonical_record":{"source":{"id":"1701.03026","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-01-11T15:40:26Z","cross_cats_sorted":[],"title_canon_sha256":"edebc6b9c26e10b6357483f467e01768d0eda32b5e12ea1911263ac067b02b9d","abstract_canon_sha256":"cb9c411650506b6b6de16a26b4f92326ef9bcba6e22ae3402bab7fb6a596c461"},"schema_version":"1.0"},"canonical_sha256":"01dadc2eec955bc36e7a7efe62841d42cf9328b350501d11df794699a94beddd","source":{"kind":"arxiv","id":"1701.03026","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03026","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03026v1","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03026","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"AHNNYLXMSVN4","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AHNNYLXMSVN4G3T2","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AHNNYLXM","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AHNNYLXMSVN4G3T2P37GFBA5IL","target":"record","payload":{"canonical_record":{"source":{"id":"1701.03026","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-01-11T15:40:26Z","cross_cats_sorted":[],"title_canon_sha256":"edebc6b9c26e10b6357483f467e01768d0eda32b5e12ea1911263ac067b02b9d","abstract_canon_sha256":"cb9c411650506b6b6de16a26b4f92326ef9bcba6e22ae3402bab7fb6a596c461"},"schema_version":"1.0"},"canonical_sha256":"01dadc2eec955bc36e7a7efe62841d42cf9328b350501d11df794699a94beddd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:38.018238Z","signature_b64":"mQb7WBLN6/3/qDmLsT3P0SJg7ufYrAEF0DyQyUC1npi77MkoPJ67UcaRsASOkSmnT1O23TM8JHuxwF7FrafMBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01dadc2eec955bc36e7a7efe62841d42cf9328b350501d11df794699a94beddd","last_reissued_at":"2026-05-18T00:46:38.017831Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:38.017831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.03026","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":"2026-05-18T00:46:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GinJngrDh5ENFi5ocOjio3nIzFJpU/OAVp3FPI+yUDMS3j5RH+scNQ4TjECXELpXEpGkCi5Wj9ckf5aP50OSBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:58:23.575143Z"},"content_sha256":"65beca2de3a47b67354d1f3929143aefab18a4f59d901aac503bc8d8bbf6212d","schema_version":"1.0","event_id":"sha256:65beca2de3a47b67354d1f3929143aefab18a4f59d901aac503bc8d8bbf6212d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AHNNYLXMSVN4G3T2P37GFBA5IL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinematics of Subluminous O and B Stars by Surface Helium Abundance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C. S. Jeffery, Naslim N., P. Martin, V. M. Woolf","submitted_at":"2017-01-11T15:40:26Z","abstract_excerpt":"The majority of hot subdwarf stars are low-mass core-helium-burning stars. Their atmospheres are generally helium deficient; however a minority have extremely helium-rich surfaces. An additional fraction have an intermediate surface-helium abundance, occasionally accompanied by peculiar abundances of other elements. We have identified a sample of 88 hot subdwarfs including 38 helium-deficient, 27 intermediate-helium and 23 extreme-helium stars for which radial-velocity and proper-motion measurements, together with distances, allow a calculation of Galactic space velocities. We have investigate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03026","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":"2026-05-18T00:46:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qKi/hEB90phkI4cumaalxgYPXmhJou7D34BM7eeWBNYulqXBh7xsmFMjkYjweeO+YLiuwT4Ks+GkRmRAQjvmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:58:23.575830Z"},"content_sha256":"a73f95235b4899ef4935160dd129ccc8305ba76453ab847a77ce1c9823de7d98","schema_version":"1.0","event_id":"sha256:a73f95235b4899ef4935160dd129ccc8305ba76453ab847a77ce1c9823de7d98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AHNNYLXMSVN4G3T2P37GFBA5IL/bundle.json","state_url":"https://pith.science/pith/AHNNYLXMSVN4G3T2P37GFBA5IL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AHNNYLXMSVN4G3T2P37GFBA5IL/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":"2026-05-25T20:58:23Z","links":{"resolver":"https://pith.science/pith/AHNNYLXMSVN4G3T2P37GFBA5IL","bundle":"https://pith.science/pith/AHNNYLXMSVN4G3T2P37GFBA5IL/bundle.json","state":"https://pith.science/pith/AHNNYLXMSVN4G3T2P37GFBA5IL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AHNNYLXMSVN4G3T2P37GFBA5IL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AHNNYLXMSVN4G3T2P37GFBA5IL","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":"cb9c411650506b6b6de16a26b4f92326ef9bcba6e22ae3402bab7fb6a596c461","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-01-11T15:40:26Z","title_canon_sha256":"edebc6b9c26e10b6357483f467e01768d0eda32b5e12ea1911263ac067b02b9d"},"schema_version":"1.0","source":{"id":"1701.03026","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03026","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03026v1","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03026","created_at":"2026-05-18T00:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"AHNNYLXMSVN4","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AHNNYLXMSVN4G3T2","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AHNNYLXM","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:a73f95235b4899ef4935160dd129ccc8305ba76453ab847a77ce1c9823de7d98","target":"graph","created_at":"2026-05-18T00:46:38Z","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 majority of hot subdwarf stars are low-mass core-helium-burning stars. Their atmospheres are generally helium deficient; however a minority have extremely helium-rich surfaces. An additional fraction have an intermediate surface-helium abundance, occasionally accompanied by peculiar abundances of other elements. We have identified a sample of 88 hot subdwarfs including 38 helium-deficient, 27 intermediate-helium and 23 extreme-helium stars for which radial-velocity and proper-motion measurements, together with distances, allow a calculation of Galactic space velocities. We have investigate","authors_text":"C. S. Jeffery, Naslim N., P. Martin, V. M. Woolf","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-01-11T15:40:26Z","title":"Kinematics of Subluminous O and B Stars by Surface Helium Abundance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03026","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":"sha256:65beca2de3a47b67354d1f3929143aefab18a4f59d901aac503bc8d8bbf6212d","target":"record","created_at":"2026-05-18T00:46:38Z","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":"cb9c411650506b6b6de16a26b4f92326ef9bcba6e22ae3402bab7fb6a596c461","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-01-11T15:40:26Z","title_canon_sha256":"edebc6b9c26e10b6357483f467e01768d0eda32b5e12ea1911263ac067b02b9d"},"schema_version":"1.0","source":{"id":"1701.03026","kind":"arxiv","version":1}},"canonical_sha256":"01dadc2eec955bc36e7a7efe62841d42cf9328b350501d11df794699a94beddd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01dadc2eec955bc36e7a7efe62841d42cf9328b350501d11df794699a94beddd","first_computed_at":"2026-05-18T00:46:38.017831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:38.017831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mQb7WBLN6/3/qDmLsT3P0SJg7ufYrAEF0DyQyUC1npi77MkoPJ67UcaRsASOkSmnT1O23TM8JHuxwF7FrafMBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:38.018238Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.03026","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65beca2de3a47b67354d1f3929143aefab18a4f59d901aac503bc8d8bbf6212d","sha256:a73f95235b4899ef4935160dd129ccc8305ba76453ab847a77ce1c9823de7d98"],"state_sha256":"fdd6d067ade296d45a4917a4af366f840cab4371d3586cd2e92c1fece87ee8c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YVgpgfbWVPD1OZ1P0E1qBl4sI3MammZyhHE3XujhYEFGgG8IVwROwG6ilVDoBehqLr1D7kbRWANcd/PxaEDaDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:58:23.579377Z","bundle_sha256":"ab81b54d4732b56ef7bd55a9c4ff94c3b39d2753dda8dd67c8d066b1f967b8c0"}}