{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:7GNRRF7DFVWHTWGCWUT6EPLVNS","short_pith_number":"pith:7GNRRF7D","schema_version":"1.0","canonical_sha256":"f99b1897e32d6c79d8c2b527e23d756ca0e7fcbfbf78b5c575fb070611969461","source":{"kind":"arxiv","id":"physics/0603245","version":1},"attestation_state":"computed","paper":{"title":"The effect of wall heating on instability of channel flow","license":"","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"A. Sameen, Rama Govindarajan","submitted_at":"2006-03-29T08:10:23Z","abstract_excerpt":"A comprehensive study of the effect of wall heating or cooling on the linear, transient and secondary growth of instability in channel flow is conducted. The effect of viscosity stratification, heat diffusivity and of buoyancy are estimated separately, with some unexpected results. From linear stability results, it has been accepted that heat diffusivity does not affect stability. However, we show that realistic Prandtl numbers cause a transient growth of disturbances that is an order of magnitude higher than at zero Prandtl number. Buoyancy, even at fairly low levels, gives rise to high level"},"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":"physics/0603245","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.flu-dyn","submitted_at":"2006-03-29T08:10:23Z","cross_cats_sorted":[],"title_canon_sha256":"7a33874841e7983b9c9ff9cef0d54f6b6ad1e11755628505c93cd862cc6ee285","abstract_canon_sha256":"288c5cdde8748aafb4cf4dfaed038ba39c64f7a379adc59719faf13320af937c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:10:35.255139Z","signature_b64":"ucSRUzZx3W4JPPiNVLIrjhoxspf19CsWw/5RpwMwcH9QFkDHkbpchPzPA1+edIcEhLY/I8MQN3PujWZ2HcreAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f99b1897e32d6c79d8c2b527e23d756ca0e7fcbfbf78b5c575fb070611969461","last_reissued_at":"2026-07-05T02:10:35.254649Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:10:35.254649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The effect of wall heating on instability of channel flow","license":"","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"A. Sameen, Rama Govindarajan","submitted_at":"2006-03-29T08:10:23Z","abstract_excerpt":"A comprehensive study of the effect of wall heating or cooling on the linear, transient and secondary growth of instability in channel flow is conducted. The effect of viscosity stratification, heat diffusivity and of buoyancy are estimated separately, with some unexpected results. From linear stability results, it has been accepted that heat diffusivity does not affect stability. However, we show that realistic Prandtl numbers cause a transient growth of disturbances that is an order of magnitude higher than at zero Prandtl number. Buoyancy, even at fairly low levels, gives rise to high level"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0603245","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/physics/0603245/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":"physics/0603245","created_at":"2026-07-05T02:10:35.254708+00:00"},{"alias_kind":"arxiv_version","alias_value":"physics/0603245v1","created_at":"2026-07-05T02:10:35.254708+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0603245","created_at":"2026-07-05T02:10:35.254708+00:00"},{"alias_kind":"pith_short_12","alias_value":"7GNRRF7DFVWH","created_at":"2026-07-05T02:10:35.254708+00:00"},{"alias_kind":"pith_short_16","alias_value":"7GNRRF7DFVWHTWGC","created_at":"2026-07-05T02:10:35.254708+00:00"},{"alias_kind":"pith_short_8","alias_value":"7GNRRF7D","created_at":"2026-07-05T02:10:35.254708+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/7GNRRF7DFVWHTWGCWUT6EPLVNS","json":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS.json","graph_json":"https://pith.science/api/pith-number/7GNRRF7DFVWHTWGCWUT6EPLVNS/graph.json","events_json":"https://pith.science/api/pith-number/7GNRRF7DFVWHTWGCWUT6EPLVNS/events.json","paper":"https://pith.science/paper/7GNRRF7D"},"agent_actions":{"view_html":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS","download_json":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS.json","view_paper":"https://pith.science/paper/7GNRRF7D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=physics/0603245&json=true","fetch_graph":"https://pith.science/api/pith-number/7GNRRF7DFVWHTWGCWUT6EPLVNS/graph.json","fetch_events":"https://pith.science/api/pith-number/7GNRRF7DFVWHTWGCWUT6EPLVNS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS/action/storage_attestation","attest_author":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS/action/author_attestation","sign_citation":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS/action/citation_signature","submit_replication":"https://pith.science/pith/7GNRRF7DFVWHTWGCWUT6EPLVNS/action/replication_record"}},"created_at":"2026-07-05T02:10:35.254708+00:00","updated_at":"2026-07-05T02:10:35.254708+00:00"}