{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TO5SHCJTRDHGWI7ZQ2ZVUG2GY7","short_pith_number":"pith:TO5SHCJT","canonical_record":{"source":{"id":"2606.11360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-09T18:38:49Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"14a938dfd389baf73f4a60f38a2a266e010ec14a28de58357672ab8ef68f44fb","abstract_canon_sha256":"c408c20a70ba1cbf18a4b3ede1de2497d1fd87f4bec6226a20d5de644ed9fb21"},"schema_version":"1.0"},"canonical_sha256":"9bbb23893388ce6b23f986b35a1b46c7f476905708f0bbe0ab4b4e62d19ad66e","source":{"kind":"arxiv","id":"2606.11360","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.11360","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"arxiv_version","alias_value":"2606.11360v1","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.11360","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"pith_short_12","alias_value":"TO5SHCJTRDHG","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"pith_short_16","alias_value":"TO5SHCJTRDHGWI7Z","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"pith_short_8","alias_value":"TO5SHCJT","created_at":"2026-06-11T00:08:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TO5SHCJTRDHGWI7ZQ2ZVUG2GY7","target":"record","payload":{"canonical_record":{"source":{"id":"2606.11360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-09T18:38:49Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"14a938dfd389baf73f4a60f38a2a266e010ec14a28de58357672ab8ef68f44fb","abstract_canon_sha256":"c408c20a70ba1cbf18a4b3ede1de2497d1fd87f4bec6226a20d5de644ed9fb21"},"schema_version":"1.0"},"canonical_sha256":"9bbb23893388ce6b23f986b35a1b46c7f476905708f0bbe0ab4b4e62d19ad66e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-11T00:08:21.622847Z","signature_b64":"qN/dazGCddX4cVu9m/K0NhoRzsKCHxGh64CTBe+JT1kzdkzzlbN0//O7518mF+coIQ2D+PEMVjCs1qOaP4ZZAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9bbb23893388ce6b23f986b35a1b46c7f476905708f0bbe0ab4b4e62d19ad66e","last_reissued_at":"2026-06-11T00:08:21.622020Z","signature_status":"signed_v1","first_computed_at":"2026-06-11T00:08:21.622020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.11360","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-11T00:08:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IyjLvzDlmYaPosgSwTQOKADjvqySPVlJCKsAMOJMqYS52akaETDCYZHs0DrR+KwvBEBu0ZKBp62SPHHmso7NAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T20:01:07.859486Z"},"content_sha256":"5a3825d6dc92ffb06e8be5aae80692d6b68c362317a9dd5ddbde5e63346112aa","schema_version":"1.0","event_id":"sha256:5a3825d6dc92ffb06e8be5aae80692d6b68c362317a9dd5ddbde5e63346112aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TO5SHCJTRDHGWI7ZQ2ZVUG2GY7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Linear stability analysis of particle-laden Couette-Poiseuille flows: effect of porous walls","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"physics.flu-dyn","authors_text":"Abbas Moradi Bilondi, Ananthapadmanabhan Ramesh, Mohammadreza Mahmoudian, Parisa Mirbod","submitted_at":"2026-06-09T18:38:49Z","abstract_excerpt":"The current study presents a three-dimensional linear stability analysis of particle-laden Couette-Poiseuille flow suspended in a Newtonian fluid between two parallel plates, with the lower plate coated by a porous medium. The influence of suspended particles is examined using a two-domain formulation in which particles are confined to the fluid layer and do not penetrate the porous substrate. The particle-laden suspension is modeled using the dusty-gas framework, while the flow within the porous layer is described by the volume-averaged Navier-Stokes (VANS) equations. In particle-laden flows "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.11360","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/2606.11360/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":"2026-06-11T00:08:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d1seDxmSiiKOQj8uIYjoEc2RIv1Kc6XgxOZ1fxDL4hze5rmUAcK6BZLxYfv5aS+JM8PEsYUnGsiZAmAXiu5TAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T20:01:07.859981Z"},"content_sha256":"97837112c88564f62b7ba0b955184559ad9678af34d08d1aff790c29eec672d6","schema_version":"1.0","event_id":"sha256:97837112c88564f62b7ba0b955184559ad9678af34d08d1aff790c29eec672d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7/bundle.json","state_url":"https://pith.science/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7/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":"2026-06-25T20:01:07Z","links":{"resolver":"https://pith.science/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7","bundle":"https://pith.science/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7/bundle.json","state":"https://pith.science/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TO5SHCJTRDHGWI7ZQ2ZVUG2GY7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TO5SHCJTRDHGWI7ZQ2ZVUG2GY7","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":"c408c20a70ba1cbf18a4b3ede1de2497d1fd87f4bec6226a20d5de644ed9fb21","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-09T18:38:49Z","title_canon_sha256":"14a938dfd389baf73f4a60f38a2a266e010ec14a28de58357672ab8ef68f44fb"},"schema_version":"1.0","source":{"id":"2606.11360","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.11360","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"arxiv_version","alias_value":"2606.11360v1","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.11360","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"pith_short_12","alias_value":"TO5SHCJTRDHG","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"pith_short_16","alias_value":"TO5SHCJTRDHGWI7Z","created_at":"2026-06-11T00:08:21Z"},{"alias_kind":"pith_short_8","alias_value":"TO5SHCJT","created_at":"2026-06-11T00:08:21Z"}],"graph_snapshots":[{"event_id":"sha256:97837112c88564f62b7ba0b955184559ad9678af34d08d1aff790c29eec672d6","target":"graph","created_at":"2026-06-11T00:08:21Z","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/2606.11360/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The current study presents a three-dimensional linear stability analysis of particle-laden Couette-Poiseuille flow suspended in a Newtonian fluid between two parallel plates, with the lower plate coated by a porous medium. The influence of suspended particles is examined using a two-domain formulation in which particles are confined to the fluid layer and do not penetrate the porous substrate. The particle-laden suspension is modeled using the dusty-gas framework, while the flow within the porous layer is described by the volume-averaged Navier-Stokes (VANS) equations. In particle-laden flows ","authors_text":"Abbas Moradi Bilondi, Ananthapadmanabhan Ramesh, Mohammadreza Mahmoudian, Parisa Mirbod","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-09T18:38:49Z","title":"Linear stability analysis of particle-laden Couette-Poiseuille flows: effect of porous walls"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.11360","kind":"arxiv","version":1},"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":"sha256:5a3825d6dc92ffb06e8be5aae80692d6b68c362317a9dd5ddbde5e63346112aa","target":"record","created_at":"2026-06-11T00:08:21Z","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":"c408c20a70ba1cbf18a4b3ede1de2497d1fd87f4bec6226a20d5de644ed9fb21","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-09T18:38:49Z","title_canon_sha256":"14a938dfd389baf73f4a60f38a2a266e010ec14a28de58357672ab8ef68f44fb"},"schema_version":"1.0","source":{"id":"2606.11360","kind":"arxiv","version":1}},"canonical_sha256":"9bbb23893388ce6b23f986b35a1b46c7f476905708f0bbe0ab4b4e62d19ad66e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9bbb23893388ce6b23f986b35a1b46c7f476905708f0bbe0ab4b4e62d19ad66e","first_computed_at":"2026-06-11T00:08:21.622020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-11T00:08:21.622020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qN/dazGCddX4cVu9m/K0NhoRzsKCHxGh64CTBe+JT1kzdkzzlbN0//O7518mF+coIQ2D+PEMVjCs1qOaP4ZZAA==","signature_status":"signed_v1","signed_at":"2026-06-11T00:08:21.622847Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.11360","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a3825d6dc92ffb06e8be5aae80692d6b68c362317a9dd5ddbde5e63346112aa","sha256:97837112c88564f62b7ba0b955184559ad9678af34d08d1aff790c29eec672d6"],"state_sha256":"641a209451c30485bbd6dc4b1ebeb18c083675837f0840983eb3d8aadb92879e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qa6TVI3WGutLV+u3W9FZFmby2tjccAZ/VbWiTenN0onNiaPUO/G5VRC6PLpA/0ga7pjsL5qp8cSC4m0sp+KWBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T20:01:07.862366Z","bundle_sha256":"a9c71f19902052b2e6658475759b386a02030462a53da5dfe817864055352b90"}}