{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:FUTYYJ4AQEA6VNFSY4PJEDUW37","short_pith_number":"pith:FUTYYJ4A","schema_version":"1.0","canonical_sha256":"2d278c27808101eab4b2c71e920e96dfd1d17011c83a11a3de05bb4d0fad2d01","source":{"kind":"arxiv","id":"2202.01643","version":2},"attestation_state":"computed","paper":{"title":"Evidence for past interaction with an asymmetric circumstellar shell in the young SNR Cassiopeia A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Wongwathanarat, D.J. Patnaude, D. Milisavljevic, F. Bocchino, G. Peres, H.-T. Janka, J. Vink, M. Miceli, M. Ono, S. Nagataki, S. Orlando","submitted_at":"2022-02-03T15:36:29Z","abstract_excerpt":"Observations of the SNR Cassiopeia A (Cas A) show asymmetries in the reverse shock that cannot be explained by models describing a remnant expanding through a spherically symmetric wind of the progenitor star. We investigate whether a past interaction of Cas A with an asymmetric circumstellar shell can account for the observed asymmetries. We performed 3D MHD simulations that describe the remnant evolution from the SN to its interaction with a circumstellar shell. The initial conditions are provided by a 3D neutrino-driven SN model whose morphology resembles Cas A. We explored the parameter sp"},"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":"2202.01643","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-03T15:36:29Z","cross_cats_sorted":[],"title_canon_sha256":"b419ca16f909405a7ae3eea9b69a9ba6ba551eebe9ac3afc6784b96792b6c736","abstract_canon_sha256":"d6a6bf26468dbfaa0bf22753ead846bd99dde22dadb9f3dd0bfc66afed5bf58c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:01:18.729771Z","signature_b64":"E+heERDL+F6s8H1HklfaeObHVRQq8mzOdQptIVg9qovd0dOt9N6k1ctocBteXitlHn5mS/+ll3Qg2L4ZC1kRCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d278c27808101eab4b2c71e920e96dfd1d17011c83a11a3de05bb4d0fad2d01","last_reissued_at":"2026-07-05T05:01:18.729256Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:01:18.729256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence for past interaction with an asymmetric circumstellar shell in the young SNR Cassiopeia A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Wongwathanarat, D.J. Patnaude, D. Milisavljevic, F. Bocchino, G. Peres, H.-T. Janka, J. Vink, M. Miceli, M. Ono, S. Nagataki, S. Orlando","submitted_at":"2022-02-03T15:36:29Z","abstract_excerpt":"Observations of the SNR Cassiopeia A (Cas A) show asymmetries in the reverse shock that cannot be explained by models describing a remnant expanding through a spherically symmetric wind of the progenitor star. We investigate whether a past interaction of Cas A with an asymmetric circumstellar shell can account for the observed asymmetries. We performed 3D MHD simulations that describe the remnant evolution from the SN to its interaction with a circumstellar shell. The initial conditions are provided by a 3D neutrino-driven SN model whose morphology resembles Cas A. We explored the parameter sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.01643","kind":"arxiv","version":2},"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/2202.01643/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":"2202.01643","created_at":"2026-07-05T05:01:18.729321+00:00"},{"alias_kind":"arxiv_version","alias_value":"2202.01643v2","created_at":"2026-07-05T05:01:18.729321+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.01643","created_at":"2026-07-05T05:01:18.729321+00:00"},{"alias_kind":"pith_short_12","alias_value":"FUTYYJ4AQEA6","created_at":"2026-07-05T05:01:18.729321+00:00"},{"alias_kind":"pith_short_16","alias_value":"FUTYYJ4AQEA6VNFS","created_at":"2026-07-05T05:01:18.729321+00:00"},{"alias_kind":"pith_short_8","alias_value":"FUTYYJ4A","created_at":"2026-07-05T05:01:18.729321+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/FUTYYJ4AQEA6VNFSY4PJEDUW37","json":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37.json","graph_json":"https://pith.science/api/pith-number/FUTYYJ4AQEA6VNFSY4PJEDUW37/graph.json","events_json":"https://pith.science/api/pith-number/FUTYYJ4AQEA6VNFSY4PJEDUW37/events.json","paper":"https://pith.science/paper/FUTYYJ4A"},"agent_actions":{"view_html":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37","download_json":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37.json","view_paper":"https://pith.science/paper/FUTYYJ4A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2202.01643&json=true","fetch_graph":"https://pith.science/api/pith-number/FUTYYJ4AQEA6VNFSY4PJEDUW37/graph.json","fetch_events":"https://pith.science/api/pith-number/FUTYYJ4AQEA6VNFSY4PJEDUW37/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37/action/storage_attestation","attest_author":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37/action/author_attestation","sign_citation":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37/action/citation_signature","submit_replication":"https://pith.science/pith/FUTYYJ4AQEA6VNFSY4PJEDUW37/action/replication_record"}},"created_at":"2026-07-05T05:01:18.729321+00:00","updated_at":"2026-07-05T05:01:18.729321+00:00"}