{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DFGXSKA7FFNDJJ3W6HGDVL4AQZ","short_pith_number":"pith:DFGXSKA7","canonical_record":{"source":{"id":"1701.01333","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-05T14:45:42Z","cross_cats_sorted":[],"title_canon_sha256":"e81a0b1de8f412210df352f995e1f750aa58ed7ca2c96dd7f6849533cbcfe358","abstract_canon_sha256":"cd97ad60a55af89cc02ae80b29238464f1ac22a222946975987c1e302afcec52"},"schema_version":"1.0"},"canonical_sha256":"194d79281f295a34a776f1cc3aaf80866414d36dc008fc1a5a68422c6c1af063","source":{"kind":"arxiv","id":"1701.01333","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01333","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01333v2","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01333","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"pith_short_12","alias_value":"DFGXSKA7FFND","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DFGXSKA7FFNDJJ3W","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DFGXSKA7","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DFGXSKA7FFNDJJ3W6HGDVL4AQZ","target":"record","payload":{"canonical_record":{"source":{"id":"1701.01333","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-05T14:45:42Z","cross_cats_sorted":[],"title_canon_sha256":"e81a0b1de8f412210df352f995e1f750aa58ed7ca2c96dd7f6849533cbcfe358","abstract_canon_sha256":"cd97ad60a55af89cc02ae80b29238464f1ac22a222946975987c1e302afcec52"},"schema_version":"1.0"},"canonical_sha256":"194d79281f295a34a776f1cc3aaf80866414d36dc008fc1a5a68422c6c1af063","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:33.691516Z","signature_b64":"/onAWuqzIqr1hV+udCRH3C7mJXlZzCtERv1VRMbpyMkPufhwB+K4iyiLJGwVC6zvqOy1BJY1kzXagPBl4UK6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"194d79281f295a34a776f1cc3aaf80866414d36dc008fc1a5a68422c6c1af063","last_reissued_at":"2026-05-18T00:51:33.691076Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:33.691076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.01333","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:51:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yHOMK7jiUJU0Va1hfU1fzVMarFBfLYsPnpnD6qWGYID+93kSLHKdV5Qui9j6U8A48bWpXf+8L9JEcT5/rQEjBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T09:54:05.733874Z"},"content_sha256":"a29df7d24b7550787e1a5656d430cf312cacec740362a5de3a86bd854058cb5c","schema_version":"1.0","event_id":"sha256:a29df7d24b7550787e1a5656d430cf312cacec740362a5de3a86bd854058cb5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DFGXSKA7FFNDJJ3W6HGDVL4AQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DSMC investigation of rarefied gas flow through diverging micro- and nanochannels","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Amin Ebrahimi, Ehsan Roohi","submitted_at":"2017-01-05T14:45:42Z","abstract_excerpt":"Direct simulation Monte Carlo (DSMC) method with simplified Bernoulli-trials (SBT) collision scheme has been used to study the rarefied pressure-driven nitrogen flow through diverging microchannels. The fluid behaviours flowing between two plates with different divergence angles ranging between 0$^{\\circ}$ to 17$^{\\circ}$ are described at different pressure ratios (1.5${\\le}{\\prod}{\\le}$2.5) and Knudsen numbers (0.03${\\le}$Kn${\\le}$12.7). The primary flow field properties, including pressure, velocity, and temperature, are presented for divergent microchannels and are compared with those of a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01333","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:51:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HXx8oAZi77yWbqSSw9yYn/lswRIzs5Cm52zpuS7OGEHm68mPw97meZQpTOkBJB1YDU8RhHnuAYhNQLGUXgGdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T09:54:05.734565Z"},"content_sha256":"e2426d3991c726a9a7ab3d516662b0617ae653338b92113a360762a9a5b52c13","schema_version":"1.0","event_id":"sha256:e2426d3991c726a9a7ab3d516662b0617ae653338b92113a360762a9a5b52c13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ/bundle.json","state_url":"https://pith.science/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-22T09:54:05Z","links":{"resolver":"https://pith.science/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ","bundle":"https://pith.science/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ/bundle.json","state":"https://pith.science/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DFGXSKA7FFNDJJ3W6HGDVL4AQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DFGXSKA7FFNDJJ3W6HGDVL4AQZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"cd97ad60a55af89cc02ae80b29238464f1ac22a222946975987c1e302afcec52","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-05T14:45:42Z","title_canon_sha256":"e81a0b1de8f412210df352f995e1f750aa58ed7ca2c96dd7f6849533cbcfe358"},"schema_version":"1.0","source":{"id":"1701.01333","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01333","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01333v2","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01333","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"pith_short_12","alias_value":"DFGXSKA7FFND","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DFGXSKA7FFNDJJ3W","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DFGXSKA7","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:e2426d3991c726a9a7ab3d516662b0617ae653338b92113a360762a9a5b52c13","target":"graph","created_at":"2026-05-18T00:51:33Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Direct simulation Monte Carlo (DSMC) method with simplified Bernoulli-trials (SBT) collision scheme has been used to study the rarefied pressure-driven nitrogen flow through diverging microchannels. The fluid behaviours flowing between two plates with different divergence angles ranging between 0$^{\\circ}$ to 17$^{\\circ}$ are described at different pressure ratios (1.5${\\le}{\\prod}{\\le}$2.5) and Knudsen numbers (0.03${\\le}$Kn${\\le}$12.7). The primary flow field properties, including pressure, velocity, and temperature, are presented for divergent microchannels and are compared with those of a ","authors_text":"Amin Ebrahimi, Ehsan Roohi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-05T14:45:42Z","title":"DSMC investigation of rarefied gas flow through diverging micro- and nanochannels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01333","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a29df7d24b7550787e1a5656d430cf312cacec740362a5de3a86bd854058cb5c","target":"record","created_at":"2026-05-18T00:51:33Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"cd97ad60a55af89cc02ae80b29238464f1ac22a222946975987c1e302afcec52","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-05T14:45:42Z","title_canon_sha256":"e81a0b1de8f412210df352f995e1f750aa58ed7ca2c96dd7f6849533cbcfe358"},"schema_version":"1.0","source":{"id":"1701.01333","kind":"arxiv","version":2}},"canonical_sha256":"194d79281f295a34a776f1cc3aaf80866414d36dc008fc1a5a68422c6c1af063","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"194d79281f295a34a776f1cc3aaf80866414d36dc008fc1a5a68422c6c1af063","first_computed_at":"2026-05-18T00:51:33.691076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:33.691076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/onAWuqzIqr1hV+udCRH3C7mJXlZzCtERv1VRMbpyMkPufhwB+K4iyiLJGwVC6zvqOy1BJY1kzXagPBl4UK6Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:33.691516Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.01333","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a29df7d24b7550787e1a5656d430cf312cacec740362a5de3a86bd854058cb5c","sha256:e2426d3991c726a9a7ab3d516662b0617ae653338b92113a360762a9a5b52c13"],"state_sha256":"f280e50bad488a581b0200a7c10f6524eb490c84b82eeb38dc94188776d78ae3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lj0oOcUNupOvap7q+ZlXVnoN5F5ePUKwd+KQ2erpF6jQ1aYTh+mWqi9pcwJE4+L8RExgAgMgIeHtB0AW6vxbCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T09:54:05.738505Z","bundle_sha256":"3c09d8100eb04f06ecfe9689a94c8119707a7d4b4db8522f68aa085a35c3185e"}}