{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:7O5RLFTUHGXGIDVRDHWRIWEEX2","short_pith_number":"pith:7O5RLFTU","schema_version":"1.0","canonical_sha256":"fbbb15967439ae640eb119ed145884be9594653ee5874d19ed28cf3cd2f11a7f","source":{"kind":"arxiv","id":"1511.07626","version":1},"attestation_state":"computed","paper":{"title":"Simulating rotationally inelastic collisions using a Direct Simulation Monte Carlo method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"A. van der Avoird, B. R. Heazlewood, C. J. Rennick, J. Loreau, N. Vaeck, O. Schullian, T. P. Softley","submitted_at":"2015-11-24T09:46:42Z","abstract_excerpt":"A new approach to simulating rotational cooling using a direct simulation Monte Carlo (DSMC) method is described and applied to the rotational cooling of ammonia seeded into a helium supersonic jet. The method makes use of ab initio rotational state changing cross sections calculated as a function of collision energy. Each particle in the DSMC simulations is labelled with a vector of rotational populations that evolves with time. Transfer of energy into translation is calculated from the mean energy transfer for this population at the specified collision energy. The simulations are compared wi"},"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":"1511.07626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-11-24T09:46:42Z","cross_cats_sorted":[],"title_canon_sha256":"2b8ebc37110fac6b97d8e936358950de05b5743c761a93e97c7f75602d77dd6c","abstract_canon_sha256":"9edc844e0e217e5e909df131983b0e99749ed1058965a18cf7819b5a2cd686c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:04.159726Z","signature_b64":"JzmQhfrpIpbidAIJgxG8YAML919ZdeLrQ7BSOqdD5OqD84W4c0SikRUnymgWIPtW8J9rC6DKPckt2aUqa9kvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbbb15967439ae640eb119ed145884be9594653ee5874d19ed28cf3cd2f11a7f","last_reissued_at":"2026-05-18T01:26:04.158934Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:04.158934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Simulating rotationally inelastic collisions using a Direct Simulation Monte Carlo method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"A. van der Avoird, B. R. Heazlewood, C. J. Rennick, J. Loreau, N. Vaeck, O. Schullian, T. P. Softley","submitted_at":"2015-11-24T09:46:42Z","abstract_excerpt":"A new approach to simulating rotational cooling using a direct simulation Monte Carlo (DSMC) method is described and applied to the rotational cooling of ammonia seeded into a helium supersonic jet. The method makes use of ab initio rotational state changing cross sections calculated as a function of collision energy. Each particle in the DSMC simulations is labelled with a vector of rotational populations that evolves with time. Transfer of energy into translation is calculated from the mean energy transfer for this population at the specified collision energy. The simulations are compared wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07626","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":"1511.07626","created_at":"2026-05-18T01:26:04.159077+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.07626v1","created_at":"2026-05-18T01:26:04.159077+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07626","created_at":"2026-05-18T01:26:04.159077+00:00"},{"alias_kind":"pith_short_12","alias_value":"7O5RLFTUHGXG","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"7O5RLFTUHGXGIDVR","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"7O5RLFTU","created_at":"2026-05-18T12:29:10.953037+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/7O5RLFTUHGXGIDVRDHWRIWEEX2","json":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2.json","graph_json":"https://pith.science/api/pith-number/7O5RLFTUHGXGIDVRDHWRIWEEX2/graph.json","events_json":"https://pith.science/api/pith-number/7O5RLFTUHGXGIDVRDHWRIWEEX2/events.json","paper":"https://pith.science/paper/7O5RLFTU"},"agent_actions":{"view_html":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2","download_json":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2.json","view_paper":"https://pith.science/paper/7O5RLFTU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.07626&json=true","fetch_graph":"https://pith.science/api/pith-number/7O5RLFTUHGXGIDVRDHWRIWEEX2/graph.json","fetch_events":"https://pith.science/api/pith-number/7O5RLFTUHGXGIDVRDHWRIWEEX2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2/action/storage_attestation","attest_author":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2/action/author_attestation","sign_citation":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2/action/citation_signature","submit_replication":"https://pith.science/pith/7O5RLFTUHGXGIDVRDHWRIWEEX2/action/replication_record"}},"created_at":"2026-05-18T01:26:04.159077+00:00","updated_at":"2026-05-18T01:26:04.159077+00:00"}