{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:CN7TY4MBSDZH2HIDDJE7NAGRTT","short_pith_number":"pith:CN7TY4MB","canonical_record":{"source":{"id":"1204.2689","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-04-12T11:33:53Z","cross_cats_sorted":[],"title_canon_sha256":"dc551922dab521ac97bc547e0f46e3392c9e36427e0408a4d1a4b108202f51ca","abstract_canon_sha256":"4f121078f29009bf6be30dd290ad0166d2b8d9cdfc58c3a19a415aa382774719"},"schema_version":"1.0"},"canonical_sha256":"137f3c718190f27d1d031a49f680d19ccf1573c0a6047f74c3c96e09dad0a10d","source":{"kind":"arxiv","id":"1204.2689","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2689","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2689v1","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2689","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"CN7TY4MBSDZH","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CN7TY4MBSDZH2HID","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CN7TY4MB","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:CN7TY4MBSDZH2HIDDJE7NAGRTT","target":"record","payload":{"canonical_record":{"source":{"id":"1204.2689","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-04-12T11:33:53Z","cross_cats_sorted":[],"title_canon_sha256":"dc551922dab521ac97bc547e0f46e3392c9e36427e0408a4d1a4b108202f51ca","abstract_canon_sha256":"4f121078f29009bf6be30dd290ad0166d2b8d9cdfc58c3a19a415aa382774719"},"schema_version":"1.0"},"canonical_sha256":"137f3c718190f27d1d031a49f680d19ccf1573c0a6047f74c3c96e09dad0a10d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:53.164474Z","signature_b64":"7v/CVlEj1HrhmnGIinTZTBaCebZjWxiK+Lmu8YxNwbtEXTgIJNV6H68KupD3hm0lfF08sUq0iO7fiHwfooChCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"137f3c718190f27d1d031a49f680d19ccf1573c0a6047f74c3c96e09dad0a10d","last_reissued_at":"2026-05-18T01:57:53.163907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:53.163907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.2689","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":"2026-05-18T01:57:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ucv7o+GrurnQfpRwTSs7mFqc5auVAQjVStb42Wl2P4ZQ6ag4Y9sutjaRJXRTHc/MXkFBwdbqq6MG8to+XAXuCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:28:17.736882Z"},"content_sha256":"da30dd66819f0a192baedf7e12004c2b35dd8cb07c0699693ba56983e6303058","schema_version":"1.0","event_id":"sha256:da30dd66819f0a192baedf7e12004c2b35dd8cb07c0699693ba56983e6303058"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:CN7TY4MBSDZH2HIDDJE7NAGRTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long-lived and unstable modes of Brownian suspensions in microchannels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Atefeh Khoshnood, Mir Abbas Jalali","submitted_at":"2012-04-12T11:33:53Z","abstract_excerpt":"We investigate the stability of the pressure-driven, low-Reynolds flow of Brownian suspensions with spherical particles in microchannels. We find two general families of stable/unstable modes: (i) degenerate modes with symmetric and anti-symmetric patterns; (ii) single modes that are either symmetric or anti-symmetric. The concentration profiles of degenerate modes have strong peaks near the channel walls, while single modes diminish there. Once excited, both families would be detectable through high-speed imaging. We find that unstable modes occur in concentrated suspensions whose velocity pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2689","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ou5+mKqwwXG4xQJ59Q2yRMnV0cYyrB2WElabk14TmRTBk7Uh08+D0SU/WDThsQ87SmimJ/8CL1qtt7OItk/lBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:28:17.737574Z"},"content_sha256":"b3843a14ce8b4692309db90bb709031ce1dacfd980b7bc0636287a363d883039","schema_version":"1.0","event_id":"sha256:b3843a14ce8b4692309db90bb709031ce1dacfd980b7bc0636287a363d883039"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT/bundle.json","state_url":"https://pith.science/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT/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":"2026-05-27T07:28:17Z","links":{"resolver":"https://pith.science/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT","bundle":"https://pith.science/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT/bundle.json","state":"https://pith.science/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CN7TY4MBSDZH2HIDDJE7NAGRTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:CN7TY4MBSDZH2HIDDJE7NAGRTT","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":"4f121078f29009bf6be30dd290ad0166d2b8d9cdfc58c3a19a415aa382774719","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-04-12T11:33:53Z","title_canon_sha256":"dc551922dab521ac97bc547e0f46e3392c9e36427e0408a4d1a4b108202f51ca"},"schema_version":"1.0","source":{"id":"1204.2689","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2689","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2689v1","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2689","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"CN7TY4MBSDZH","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CN7TY4MBSDZH2HID","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CN7TY4MB","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:b3843a14ce8b4692309db90bb709031ce1dacfd980b7bc0636287a363d883039","target":"graph","created_at":"2026-05-18T01:57:53Z","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":"We investigate the stability of the pressure-driven, low-Reynolds flow of Brownian suspensions with spherical particles in microchannels. We find two general families of stable/unstable modes: (i) degenerate modes with symmetric and anti-symmetric patterns; (ii) single modes that are either symmetric or anti-symmetric. The concentration profiles of degenerate modes have strong peaks near the channel walls, while single modes diminish there. Once excited, both families would be detectable through high-speed imaging. We find that unstable modes occur in concentrated suspensions whose velocity pr","authors_text":"Atefeh Khoshnood, Mir Abbas Jalali","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-04-12T11:33:53Z","title":"Long-lived and unstable modes of Brownian suspensions in microchannels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2689","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:da30dd66819f0a192baedf7e12004c2b35dd8cb07c0699693ba56983e6303058","target":"record","created_at":"2026-05-18T01:57:53Z","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":"4f121078f29009bf6be30dd290ad0166d2b8d9cdfc58c3a19a415aa382774719","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-04-12T11:33:53Z","title_canon_sha256":"dc551922dab521ac97bc547e0f46e3392c9e36427e0408a4d1a4b108202f51ca"},"schema_version":"1.0","source":{"id":"1204.2689","kind":"arxiv","version":1}},"canonical_sha256":"137f3c718190f27d1d031a49f680d19ccf1573c0a6047f74c3c96e09dad0a10d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"137f3c718190f27d1d031a49f680d19ccf1573c0a6047f74c3c96e09dad0a10d","first_computed_at":"2026-05-18T01:57:53.163907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:53.163907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7v/CVlEj1HrhmnGIinTZTBaCebZjWxiK+Lmu8YxNwbtEXTgIJNV6H68KupD3hm0lfF08sUq0iO7fiHwfooChCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:53.164474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.2689","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da30dd66819f0a192baedf7e12004c2b35dd8cb07c0699693ba56983e6303058","sha256:b3843a14ce8b4692309db90bb709031ce1dacfd980b7bc0636287a363d883039"],"state_sha256":"ee201a7dbd0c3752c2afafb23640205305f0178a8fd62861b62b9a45e3881fe4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ql/s9km3Bl8/OMZ8BpN0lVPgrX5wjiffLDNxnPWVCiQzxQlD06V2l9KyKcayohmm3YKfN/BZ4AwX7/dcUcCPDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:28:17.741305Z","bundle_sha256":"d83f3913475d48ae94301ace9669c9af893cc6e2cfbefe40440806b4c3592f51"}}