{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:SKQ2JFJKENMVS2UGFZDFF6IBBL","short_pith_number":"pith:SKQ2JFJK","schema_version":"1.0","canonical_sha256":"92a1a4952a2359596a862e4652f9010ae067768830f0ec79a40853d460c17dec","source":{"kind":"arxiv","id":"0905.4460","version":1},"attestation_state":"computed","paper":{"title":"A Systematic Search for Corotating Interaction Regions in Apparently Single Galactic WR Stars. I. Characterizing the Variability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.-N. Chene, M.-H. Nicol, N. St-Louis, O. Schnurr","submitted_at":"2009-05-27T15:51:19Z","abstract_excerpt":"We present the results of a systematic search for large-scale spectroscopic variability in apparently single Wolf-Rayet stars brighter than ~12.5. In this first paper we characterize the various forms of variability detected and distinguish several separate groups. For each star in our sample, we obtained 4-5 high-resolution spectra with a signal-to-noise ratio ~100. Our ultimate goal is to identify new candidates presenting variability that potentially comes from Co-rotating Interaction Regions (CIR).\n  Out of a sample of 25 stars, 10 were found to display large-scale changes of which 4 are o"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0905.4460","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-05-27T15:51:19Z","cross_cats_sorted":[],"title_canon_sha256":"6b9d7ec8296227ddc924f7db109e2950eeccbd985c0ab0aa3cc3c78733ef8913","abstract_canon_sha256":"e022c0e59628a1b1f54a36847e45df5fa7402383dc645943e8f490aa84e90f9d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:42.926709Z","signature_b64":"ZorOSnNWAVR/gMCBRmu2IvX0ps8gYBYJLf5m05bZ9SXiqcnbvYnhbM6kupLq6hRWEgGtFvbElf3MAkl5VhhJCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92a1a4952a2359596a862e4652f9010ae067768830f0ec79a40853d460c17dec","last_reissued_at":"2026-05-18T04:29:42.926249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:42.926249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Systematic Search for Corotating Interaction Regions in Apparently Single Galactic WR Stars. I. Characterizing the Variability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.-N. Chene, M.-H. Nicol, N. St-Louis, O. Schnurr","submitted_at":"2009-05-27T15:51:19Z","abstract_excerpt":"We present the results of a systematic search for large-scale spectroscopic variability in apparently single Wolf-Rayet stars brighter than ~12.5. In this first paper we characterize the various forms of variability detected and distinguish several separate groups. For each star in our sample, we obtained 4-5 high-resolution spectra with a signal-to-noise ratio ~100. Our ultimate goal is to identify new candidates presenting variability that potentially comes from Co-rotating Interaction Regions (CIR).\n  Out of a sample of 25 stars, 10 were found to display large-scale changes of which 4 are o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4460","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0905.4460","created_at":"2026-05-18T04:29:42.926309+00:00"},{"alias_kind":"arxiv_version","alias_value":"0905.4460v1","created_at":"2026-05-18T04:29:42.926309+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4460","created_at":"2026-05-18T04:29:42.926309+00:00"},{"alias_kind":"pith_short_12","alias_value":"SKQ2JFJKENMV","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"SKQ2JFJKENMVS2UG","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"SKQ2JFJK","created_at":"2026-05-18T12:26:01.383474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL","json":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL.json","graph_json":"https://pith.science/api/pith-number/SKQ2JFJKENMVS2UGFZDFF6IBBL/graph.json","events_json":"https://pith.science/api/pith-number/SKQ2JFJKENMVS2UGFZDFF6IBBL/events.json","paper":"https://pith.science/paper/SKQ2JFJK"},"agent_actions":{"view_html":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL","download_json":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL.json","view_paper":"https://pith.science/paper/SKQ2JFJK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0905.4460&json=true","fetch_graph":"https://pith.science/api/pith-number/SKQ2JFJKENMVS2UGFZDFF6IBBL/graph.json","fetch_events":"https://pith.science/api/pith-number/SKQ2JFJKENMVS2UGFZDFF6IBBL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL/action/storage_attestation","attest_author":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL/action/author_attestation","sign_citation":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL/action/citation_signature","submit_replication":"https://pith.science/pith/SKQ2JFJKENMVS2UGFZDFF6IBBL/action/replication_record"}},"created_at":"2026-05-18T04:29:42.926309+00:00","updated_at":"2026-05-18T04:29:42.926309+00:00"}