{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WMXEU676GQVJ5G5LP75ZCKZS4G","short_pith_number":"pith:WMXEU676","canonical_record":{"source":{"id":"2407.05409","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-07T15:24:55Z","cross_cats_sorted":[],"title_canon_sha256":"2d74ca2a73fe3350aff45ef018da61d792704939570e3aac44f68f9060ffc372","abstract_canon_sha256":"6d6e5dce6851fca53b006c54649d94c3a4c50ddac6d37c39927e75031941e6d9"},"schema_version":"1.0"},"canonical_sha256":"b32e4a7bfe342a9e9bab7ffb912b32e19f1456fefd162a819a0c2ab17e6851a4","source":{"kind":"arxiv","id":"2407.05409","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.05409","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"2407.05409v3","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.05409","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"WMXEU676GQVJ","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"pith_short_16","alias_value":"WMXEU676GQVJ5G5L","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"pith_short_8","alias_value":"WMXEU676","created_at":"2026-07-05T08:55:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WMXEU676GQVJ5G5LP75ZCKZS4G","target":"record","payload":{"canonical_record":{"source":{"id":"2407.05409","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-07T15:24:55Z","cross_cats_sorted":[],"title_canon_sha256":"2d74ca2a73fe3350aff45ef018da61d792704939570e3aac44f68f9060ffc372","abstract_canon_sha256":"6d6e5dce6851fca53b006c54649d94c3a4c50ddac6d37c39927e75031941e6d9"},"schema_version":"1.0"},"canonical_sha256":"b32e4a7bfe342a9e9bab7ffb912b32e19f1456fefd162a819a0c2ab17e6851a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:55:37.120671Z","signature_b64":"v7ezg+iH7B8moZZqeTolRmWpWq8U0zlkPyw2zOnkcebhmZuTu2Z8eDD25qO0RvuT6DWYL9hMHGcUs6Q4ygEiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b32e4a7bfe342a9e9bab7ffb912b32e19f1456fefd162a819a0c2ab17e6851a4","last_reissued_at":"2026-07-05T08:55:37.120152Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:55:37.120152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.05409","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c96/I9eMZpOV6CkQWHvu0NeNF8G/zv52pECMt3nSC0gZzhCpIoS/DjPYUKH37AOXIDMQI+xAZ9ciVwWfx3daDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:20:40.157288Z"},"content_sha256":"2e943e7496d6e36c5267ee6eb6cdc1fb0c2638e460c2b5b22b1d465ba69052f3","schema_version":"1.0","event_id":"sha256:2e943e7496d6e36c5267ee6eb6cdc1fb0c2638e460c2b5b22b1d465ba69052f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WMXEU676GQVJ5G5LP75ZCKZS4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of a shear flow on the Darrieus-Landau instability in a Hele-Shaw channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Joel Daou, Prabakaran Rajamanickam","submitted_at":"2024-07-07T15:24:55Z","abstract_excerpt":"The Darrieus--Landau instability of premixed flames propagating in a narrow Hele-Shaw channel in the presence of a strong shear flow is investigated, incorporating also the Rayleigh--Taylor and diffusive-thermal instabilities. The flow induces shear-enhanced diffusion (Taylor dispersion) in the streamwise direction, but not in the spanwise direction and this leads to anisotropic diffusion and flame propagation. To understand how such anisotropies affect flame stability, two important cases are considered. These correspond to initial unperturbed conditions pertaining to a planar flame propagati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.05409","kind":"arxiv","version":3},"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/2407.05409/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6AM/O6sEm0v8KwbsfIbX8uQK4ESZfFuHVoRCFmGND2VoZ0pv1Y/wbdi6hlEaAY8nhz++AM/CCIl3sszkRs2nBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:20:40.157794Z"},"content_sha256":"b6a551568095f618f3cf9b367bd6b6b277a5d00d58caae8d6cb57d178df1f10c","schema_version":"1.0","event_id":"sha256:b6a551568095f618f3cf9b367bd6b6b277a5d00d58caae8d6cb57d178df1f10c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMXEU676GQVJ5G5LP75ZCKZS4G/bundle.json","state_url":"https://pith.science/pith/WMXEU676GQVJ5G5LP75ZCKZS4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMXEU676GQVJ5G5LP75ZCKZS4G/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":"2026-08-20T10:20:40Z","links":{"resolver":"https://pith.science/pith/WMXEU676GQVJ5G5LP75ZCKZS4G","bundle":"https://pith.science/pith/WMXEU676GQVJ5G5LP75ZCKZS4G/bundle.json","state":"https://pith.science/pith/WMXEU676GQVJ5G5LP75ZCKZS4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMXEU676GQVJ5G5LP75ZCKZS4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WMXEU676GQVJ5G5LP75ZCKZS4G","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":"6d6e5dce6851fca53b006c54649d94c3a4c50ddac6d37c39927e75031941e6d9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-07T15:24:55Z","title_canon_sha256":"2d74ca2a73fe3350aff45ef018da61d792704939570e3aac44f68f9060ffc372"},"schema_version":"1.0","source":{"id":"2407.05409","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.05409","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"2407.05409v3","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.05409","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"WMXEU676GQVJ","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"pith_short_16","alias_value":"WMXEU676GQVJ5G5L","created_at":"2026-07-05T08:55:37Z"},{"alias_kind":"pith_short_8","alias_value":"WMXEU676","created_at":"2026-07-05T08:55:37Z"}],"graph_snapshots":[{"event_id":"sha256:b6a551568095f618f3cf9b367bd6b6b277a5d00d58caae8d6cb57d178df1f10c","target":"graph","created_at":"2026-07-05T08:55:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.05409/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Darrieus--Landau instability of premixed flames propagating in a narrow Hele-Shaw channel in the presence of a strong shear flow is investigated, incorporating also the Rayleigh--Taylor and diffusive-thermal instabilities. The flow induces shear-enhanced diffusion (Taylor dispersion) in the streamwise direction, but not in the spanwise direction and this leads to anisotropic diffusion and flame propagation. To understand how such anisotropies affect flame stability, two important cases are considered. These correspond to initial unperturbed conditions pertaining to a planar flame propagati","authors_text":"Joel Daou, Prabakaran Rajamanickam","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-07T15:24:55Z","title":"Effect of a shear flow on the Darrieus-Landau instability in a Hele-Shaw channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.05409","kind":"arxiv","version":3},"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":"sha256:2e943e7496d6e36c5267ee6eb6cdc1fb0c2638e460c2b5b22b1d465ba69052f3","target":"record","created_at":"2026-07-05T08:55:37Z","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":"6d6e5dce6851fca53b006c54649d94c3a4c50ddac6d37c39927e75031941e6d9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-07-07T15:24:55Z","title_canon_sha256":"2d74ca2a73fe3350aff45ef018da61d792704939570e3aac44f68f9060ffc372"},"schema_version":"1.0","source":{"id":"2407.05409","kind":"arxiv","version":3}},"canonical_sha256":"b32e4a7bfe342a9e9bab7ffb912b32e19f1456fefd162a819a0c2ab17e6851a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b32e4a7bfe342a9e9bab7ffb912b32e19f1456fefd162a819a0c2ab17e6851a4","first_computed_at":"2026-07-05T08:55:37.120152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:55:37.120152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v7ezg+iH7B8moZZqeTolRmWpWq8U0zlkPyw2zOnkcebhmZuTu2Z8eDD25qO0RvuT6DWYL9hMHGcUs6Q4ygEiAA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:55:37.120671Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.05409","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e943e7496d6e36c5267ee6eb6cdc1fb0c2638e460c2b5b22b1d465ba69052f3","sha256:b6a551568095f618f3cf9b367bd6b6b277a5d00d58caae8d6cb57d178df1f10c"],"state_sha256":"e62126cbb5495f5d062b5235aa6ee5aee963ddde283db5d94ae21158183fca10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqwO+9UdUF0snZmRCtHigcM1a8mf9c8/VC5LYA3hBbv5vesyrIzViBlGGJNA3JJNp2iX+3SU/5p69Qz3ISfICA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T10:20:40.162392Z","bundle_sha256":"53f879fe8ebaf829812dfd42fb37c2b16246ee9f80ac6174199ac9482f615b0f"}}