{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RDSSW5AL7BOZGRUEY4DRZU2LR4","short_pith_number":"pith:RDSSW5AL","canonical_record":{"source":{"id":"1904.04687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-09T14:10:51Z","cross_cats_sorted":[],"title_canon_sha256":"07a79edf0bd376b70267ff2351c3a269862abb9ac22421339b52a8f04c3c4097","abstract_canon_sha256":"09706e2bce17cfbaa4440ef9fbe85db2b32283026c8de06c2f826a8f754bc3b0"},"schema_version":"1.0"},"canonical_sha256":"88e52b740bf85d934684c7071cd34b8f03e4d0b76c5f9bd2ab8c96f105e37dc1","source":{"kind":"arxiv","id":"1904.04687","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04687","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04687v1","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04687","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"RDSSW5AL7BOZ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RDSSW5AL7BOZGRUE","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RDSSW5AL","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RDSSW5AL7BOZGRUEY4DRZU2LR4","target":"record","payload":{"canonical_record":{"source":{"id":"1904.04687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-09T14:10:51Z","cross_cats_sorted":[],"title_canon_sha256":"07a79edf0bd376b70267ff2351c3a269862abb9ac22421339b52a8f04c3c4097","abstract_canon_sha256":"09706e2bce17cfbaa4440ef9fbe85db2b32283026c8de06c2f826a8f754bc3b0"},"schema_version":"1.0"},"canonical_sha256":"88e52b740bf85d934684c7071cd34b8f03e4d0b76c5f9bd2ab8c96f105e37dc1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:11.796884Z","signature_b64":"ZzSHzataOCgT1tpUfGTpPsUBvD3QIfCZAym+3obkNFhWqWITPKo/Wc8vfl0QKTUYmdI0ul20GmzlrRWbtudvCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88e52b740bf85d934684c7071cd34b8f03e4d0b76c5f9bd2ab8c96f105e37dc1","last_reissued_at":"2026-05-17T23:46:11.796480Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:11.796480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.04687","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":"2026-05-17T23:46:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rutjiC7S/eMRf3PRb8+qd3W4I5XxLzaMi8cGuWHJet7vwFgh2iTwMavoL9omnzvmGMzSHMH3jCOf/qYDc0jOCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:21:55.898909Z"},"content_sha256":"ab850c28c2a43471ae971ed0e951cc7f462988e4c9eb0eb867da5471ee89d537","schema_version":"1.0","event_id":"sha256:ab850c28c2a43471ae971ed0e951cc7f462988e4c9eb0eb867da5471ee89d537"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RDSSW5AL7BOZGRUEY4DRZU2LR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.A.C. Sander, A. Liermann, G. Gr\\\"afener, H. Todt, L.M. Oskinova, R. Hainich, T. Shenar, V. Ramachandran, W.-R. Hamann","submitted_at":"2019-04-09T14:10:51Z","abstract_excerpt":"Comprehensive spectral analyses of the Galactic Wolf-Rayet stars of the nitrogen sequence (i.e.\\ the WN subclass) have been performed in a previous paper. However, the distances of these objects were poorly known. Distances have a direct impact on the \"absolute\" parameters, such as luminosities and mass-loss rates. The recent Gaia Data Release (DR2) of trigonometric parallaxes includes nearly all WN stars of our Galactic sample. In the present paper, we apply the new distances to the previously analyzed Galactic WN stars and rescale the results accordingly. On this basis, we present a revised "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04687","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":"2026-05-17T23:46:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOtueskI5xe32H3zFLfaQsjyqXNBPSRHTSRDU6wrMU5acAXbnhv/TKwTuVZQeQZ8TeZvdGCfKKKzj74V+UL5CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:21:55.899331Z"},"content_sha256":"548bef487ebfd2ac5ad4ec743fd51658efe46315a1599ab2fcd52b78b655a71c","schema_version":"1.0","event_id":"sha256:548bef487ebfd2ac5ad4ec743fd51658efe46315a1599ab2fcd52b78b655a71c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4/bundle.json","state_url":"https://pith.science/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4/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":"2026-05-31T11:21:55Z","links":{"resolver":"https://pith.science/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4","bundle":"https://pith.science/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4/bundle.json","state":"https://pith.science/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RDSSW5AL7BOZGRUEY4DRZU2LR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RDSSW5AL7BOZGRUEY4DRZU2LR4","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":"09706e2bce17cfbaa4440ef9fbe85db2b32283026c8de06c2f826a8f754bc3b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-09T14:10:51Z","title_canon_sha256":"07a79edf0bd376b70267ff2351c3a269862abb9ac22421339b52a8f04c3c4097"},"schema_version":"1.0","source":{"id":"1904.04687","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04687","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04687v1","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04687","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"RDSSW5AL7BOZ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RDSSW5AL7BOZGRUE","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RDSSW5AL","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:548bef487ebfd2ac5ad4ec743fd51658efe46315a1599ab2fcd52b78b655a71c","target":"graph","created_at":"2026-05-17T23:46:11Z","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":"Comprehensive spectral analyses of the Galactic Wolf-Rayet stars of the nitrogen sequence (i.e.\\ the WN subclass) have been performed in a previous paper. However, the distances of these objects were poorly known. Distances have a direct impact on the \"absolute\" parameters, such as luminosities and mass-loss rates. The recent Gaia Data Release (DR2) of trigonometric parallaxes includes nearly all WN stars of our Galactic sample. In the present paper, we apply the new distances to the previously analyzed Galactic WN stars and rescale the results accordingly. On this basis, we present a revised ","authors_text":"A.A.C. Sander, A. Liermann, G. Gr\\\"afener, H. Todt, L.M. Oskinova, R. Hainich, T. Shenar, V. Ramachandran, W.-R. Hamann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-09T14:10:51Z","title":"The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04687","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:ab850c28c2a43471ae971ed0e951cc7f462988e4c9eb0eb867da5471ee89d537","target":"record","created_at":"2026-05-17T23:46:11Z","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":"09706e2bce17cfbaa4440ef9fbe85db2b32283026c8de06c2f826a8f754bc3b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-09T14:10:51Z","title_canon_sha256":"07a79edf0bd376b70267ff2351c3a269862abb9ac22421339b52a8f04c3c4097"},"schema_version":"1.0","source":{"id":"1904.04687","kind":"arxiv","version":1}},"canonical_sha256":"88e52b740bf85d934684c7071cd34b8f03e4d0b76c5f9bd2ab8c96f105e37dc1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88e52b740bf85d934684c7071cd34b8f03e4d0b76c5f9bd2ab8c96f105e37dc1","first_computed_at":"2026-05-17T23:46:11.796480Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:11.796480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZzSHzataOCgT1tpUfGTpPsUBvD3QIfCZAym+3obkNFhWqWITPKo/Wc8vfl0QKTUYmdI0ul20GmzlrRWbtudvCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:11.796884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.04687","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab850c28c2a43471ae971ed0e951cc7f462988e4c9eb0eb867da5471ee89d537","sha256:548bef487ebfd2ac5ad4ec743fd51658efe46315a1599ab2fcd52b78b655a71c"],"state_sha256":"8e59aeb8cf41a7c2050e5be833f67b6a32afb090f81b88431f5d1820f056b96d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xawYFiZ4ihBabWuuyzjaMxT7e6HSDkwcC7TSJdkTi5iC5YVevBE7VnLpa420tIavOkImHhZYKeXsHXapAim9Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T11:21:55.902732Z","bundle_sha256":"27d5cef66ee652e83d63cdda91cc7b2cc99f4e3615d7a3f65a9778842e6ea0b2"}}