{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:W3GURK6344C7ZL7LYKQGYADPIL","short_pith_number":"pith:W3GURK63","schema_version":"1.0","canonical_sha256":"b6cd48abdbe705fcafebc2a06c006f42c21260c3806e702c7110c2ab241e6911","source":{"kind":"arxiv","id":"1206.6037","version":1},"attestation_state":"computed","paper":{"title":"Numerical simulations of shocks encountering clumpy regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"J. M. Pittard, R. Al\\=uzas, R. Langton, S. A. E. G. Falle, T. W. Hartquist","submitted_at":"2012-06-26T16:19:06Z","abstract_excerpt":"We present numerical simulations of the adiabatic interaction of a shock with a clumpy region containing many individual clouds. Our work incorporates a sub-grid turbulence model which for the first time makes this investigation feasible. We vary the Mach number of the shock, the density contrast of the clouds, and the ratio of total cloud mass to inter-cloud mass within the clumpy region. Cloud material becomes incorporated into the flow. This \"mass-loading\" reduces the Mach number of the shock, and leads to the formation of a dense shell. In cases in which the mass-loading is sufficient the "},"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":"1206.6037","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-06-26T16:19:06Z","cross_cats_sorted":[],"title_canon_sha256":"dce798d055edc4a972b553cb84c85f242a31abfbd83afc59e59b306cbf869942","abstract_canon_sha256":"52a4a3006f304014abf3f97827a3ed7af1f4d8e81e5cbc72c2d2e7d2f6c66dc4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:44:15.102758Z","signature_b64":"yUZoKHzOstlZ7WBSY4RAuQ1KrH1CU1qebcW1ffKJ9H72ZJsWQPA2k4VuZiGXV8KjwnamlelDXcZfjGZtVxV6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6cd48abdbe705fcafebc2a06c006f42c21260c3806e702c7110c2ab241e6911","last_reissued_at":"2026-05-18T03:44:15.102226Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:44:15.102226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Numerical simulations of shocks encountering clumpy regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"J. M. Pittard, R. Al\\=uzas, R. Langton, S. A. E. G. Falle, T. W. Hartquist","submitted_at":"2012-06-26T16:19:06Z","abstract_excerpt":"We present numerical simulations of the adiabatic interaction of a shock with a clumpy region containing many individual clouds. Our work incorporates a sub-grid turbulence model which for the first time makes this investigation feasible. We vary the Mach number of the shock, the density contrast of the clouds, and the ratio of total cloud mass to inter-cloud mass within the clumpy region. Cloud material becomes incorporated into the flow. This \"mass-loading\" reduces the Mach number of the shock, and leads to the formation of a dense shell. In cases in which the mass-loading is sufficient the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.6037","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":"1206.6037","created_at":"2026-05-18T03:44:15.102301+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.6037v1","created_at":"2026-05-18T03:44:15.102301+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.6037","created_at":"2026-05-18T03:44:15.102301+00:00"},{"alias_kind":"pith_short_12","alias_value":"W3GURK6344C7","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"W3GURK6344C7ZL7L","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"W3GURK63","created_at":"2026-05-18T12:27:25.539911+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/W3GURK6344C7ZL7LYKQGYADPIL","json":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL.json","graph_json":"https://pith.science/api/pith-number/W3GURK6344C7ZL7LYKQGYADPIL/graph.json","events_json":"https://pith.science/api/pith-number/W3GURK6344C7ZL7LYKQGYADPIL/events.json","paper":"https://pith.science/paper/W3GURK63"},"agent_actions":{"view_html":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL","download_json":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL.json","view_paper":"https://pith.science/paper/W3GURK63","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.6037&json=true","fetch_graph":"https://pith.science/api/pith-number/W3GURK6344C7ZL7LYKQGYADPIL/graph.json","fetch_events":"https://pith.science/api/pith-number/W3GURK6344C7ZL7LYKQGYADPIL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL/action/storage_attestation","attest_author":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL/action/author_attestation","sign_citation":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL/action/citation_signature","submit_replication":"https://pith.science/pith/W3GURK6344C7ZL7LYKQGYADPIL/action/replication_record"}},"created_at":"2026-05-18T03:44:15.102301+00:00","updated_at":"2026-05-18T03:44:15.102301+00:00"}