{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:GYJ3Z6X7XQWKID7QKTYXVZ2FEL","short_pith_number":"pith:GYJ3Z6X7","schema_version":"1.0","canonical_sha256":"3613bcfaffbc2ca40ff054f17ae74522edb43296d0da0d03900338348e8a5ac8","source":{"kind":"arxiv","id":"2108.09273","version":1},"attestation_state":"computed","paper":{"title":"On the bipolarity of Wolf-Rayet nebulae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"14476 Potsdam, D. M.-A. Meyer (Universitaet Potsdam, Germany), Institut fuer Physik und Astronomie, Karl-Liebknecht-Strasse 24/25","submitted_at":"2021-08-20T17:10:04Z","abstract_excerpt":"Wolf-Rayet stars are amongst the rarest but also most intriguing massive stars. Their extreme stellar winds induce famous multi-wavelength circumstellar gas nebulae of various morphologies, spanning from circles and rings to bipolar shapes. This study is devoted to the investigation of the formation of young, asymmetric Wolf-Rayet gas nebulae and we present a 2.5-dimensional magneto-hydrodynamical toy model for the simulation of Wolf-Rayet gas nebulae generated by wind-wind interaction. Our method accounts for stellar wind asymmetries, rotation, magnetisation, evolution and mixing of materials"},"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":"2108.09273","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-08-20T17:10:04Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"d2cb4e101f47ae6a672f95df2c139e1f63dff129a7ced3fb96ec225468d77202","abstract_canon_sha256":"da60ca8f9af7debbdb84e6fbd9ee4211e13168e5762022fdf3b199dbb94d1a6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:12:15.561984Z","signature_b64":"mT5f9wlK5Mq1NN8tUvqq8zCTfxjj/W2eBhNqQ8C5A+IZIbJzLymJVwkefY0w1qxnm444CqgIJ1WSET3DxravCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3613bcfaffbc2ca40ff054f17ae74522edb43296d0da0d03900338348e8a5ac8","last_reissued_at":"2026-07-05T03:12:15.561516Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:12:15.561516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the bipolarity of Wolf-Rayet nebulae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"14476 Potsdam, D. M.-A. Meyer (Universitaet Potsdam, Germany), Institut fuer Physik und Astronomie, Karl-Liebknecht-Strasse 24/25","submitted_at":"2021-08-20T17:10:04Z","abstract_excerpt":"Wolf-Rayet stars are amongst the rarest but also most intriguing massive stars. Their extreme stellar winds induce famous multi-wavelength circumstellar gas nebulae of various morphologies, spanning from circles and rings to bipolar shapes. This study is devoted to the investigation of the formation of young, asymmetric Wolf-Rayet gas nebulae and we present a 2.5-dimensional magneto-hydrodynamical toy model for the simulation of Wolf-Rayet gas nebulae generated by wind-wind interaction. Our method accounts for stellar wind asymmetries, rotation, magnetisation, evolution and mixing of materials"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.09273","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.09273/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2108.09273","created_at":"2026-07-05T03:12:15.561574+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.09273v1","created_at":"2026-07-05T03:12:15.561574+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.09273","created_at":"2026-07-05T03:12:15.561574+00:00"},{"alias_kind":"pith_short_12","alias_value":"GYJ3Z6X7XQWK","created_at":"2026-07-05T03:12:15.561574+00:00"},{"alias_kind":"pith_short_16","alias_value":"GYJ3Z6X7XQWKID7Q","created_at":"2026-07-05T03:12:15.561574+00:00"},{"alias_kind":"pith_short_8","alias_value":"GYJ3Z6X7","created_at":"2026-07-05T03:12:15.561574+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/GYJ3Z6X7XQWKID7QKTYXVZ2FEL","json":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL.json","graph_json":"https://pith.science/api/pith-number/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/graph.json","events_json":"https://pith.science/api/pith-number/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/events.json","paper":"https://pith.science/paper/GYJ3Z6X7"},"agent_actions":{"view_html":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL","download_json":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL.json","view_paper":"https://pith.science/paper/GYJ3Z6X7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.09273&json=true","fetch_graph":"https://pith.science/api/pith-number/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/graph.json","fetch_events":"https://pith.science/api/pith-number/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/action/storage_attestation","attest_author":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/action/author_attestation","sign_citation":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/action/citation_signature","submit_replication":"https://pith.science/pith/GYJ3Z6X7XQWKID7QKTYXVZ2FEL/action/replication_record"}},"created_at":"2026-07-05T03:12:15.561574+00:00","updated_at":"2026-07-05T03:12:15.561574+00:00"}