{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TLZJL4NWGVDI5QX6RIMG7APGGB","short_pith_number":"pith:TLZJL4NW","canonical_record":{"source":{"id":"1504.02792","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-10T21:08:31Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"ac7c8d72cf6fbf28b1d7836a57ecd529e0ee3c37d7a59dbd37fda91655e7851a","abstract_canon_sha256":"37dfdd98791a94919fe854ddb0d3d991d5ab4eae2c3e63e574e4716552cd6293"},"schema_version":"1.0"},"canonical_sha256":"9af295f1b635468ec2fe8a186f81e6305e482023620bf589bcba4004f3379e01","source":{"kind":"arxiv","id":"1504.02792","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02792","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02792v1","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02792","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"pith_short_12","alias_value":"TLZJL4NWGVDI","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"pith_short_16","alias_value":"TLZJL4NWGVDI5QX6","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"pith_short_8","alias_value":"TLZJL4NW","created_at":"2026-07-05T06:31:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TLZJL4NWGVDI5QX6RIMG7APGGB","target":"record","payload":{"canonical_record":{"source":{"id":"1504.02792","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-10T21:08:31Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"ac7c8d72cf6fbf28b1d7836a57ecd529e0ee3c37d7a59dbd37fda91655e7851a","abstract_canon_sha256":"37dfdd98791a94919fe854ddb0d3d991d5ab4eae2c3e63e574e4716552cd6293"},"schema_version":"1.0"},"canonical_sha256":"9af295f1b635468ec2fe8a186f81e6305e482023620bf589bcba4004f3379e01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:31:47.447209Z","signature_b64":"gWf9X/gxS0JeAAbOgB+hipOR7xRGjoK8x1RDukLCUGZkq5wtO/2848vsLoyAl+69/cJR2pAa6D1OvlAcXqhACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9af295f1b635468ec2fe8a186f81e6305e482023620bf589bcba4004f3379e01","last_reissued_at":"2026-07-05T06:31:47.446765Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:31:47.446765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.02792","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":"2026-07-05T06:31:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHsoCeevzxyHEKvIPsBQnQfcAVQurhVlEBtOTrdxmU7p0npXpWBUXKaEeq/9qolcJXeSfyzxBcj3Ejsdc6wgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:28:32.565330Z"},"content_sha256":"da406cf078736320beb378e3cbb1b9b065a80c3a3c85eaf7d3b6f26f02c4fc9d","schema_version":"1.0","event_id":"sha256:da406cf078736320beb378e3cbb1b9b065a80c3a3c85eaf7d3b6f26f02c4fc9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TLZJL4NWGVDI5QX6RIMG7APGGB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transport of a dilute active suspension in pressure-driven channel flow","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["cond-mat.soft","physics.bio-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Barath Ezhilan, David Saintillan","submitted_at":"2015-04-10T21:08:31Z","abstract_excerpt":"Confined suspensions of active particles show peculiar dynamics characterized by wall accumulation, as well as upstream swimming, centerline depletion and shear-trapping when a pressure-driven flow is imposed. We use theory and numerical simulations to investigate the effects of confinement and non-uniform shear on the dynamics of a dilute suspension of Brownian active swimmers by incorporating a detailed treatment of boundary conditions within a simple kinetic model where the configuration of the suspension is described using a conservation equation for the probability distribution function o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02792","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/1504.02792/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":"2026-07-05T06:31:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jsJ4PuzwUUA69PeAAcJW7+I94IbtPWFEg/1WoLz/mGBJ783dr982V4bR5Tp8JBHZ2wl7prUa7FRHmUOTIXT1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:28:32.565996Z"},"content_sha256":"6e379c56be358ac5a0d34ceacb9ab308ac7a75cddc2dd7ec160291100a4f1af4","schema_version":"1.0","event_id":"sha256:6e379c56be358ac5a0d34ceacb9ab308ac7a75cddc2dd7ec160291100a4f1af4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TLZJL4NWGVDI5QX6RIMG7APGGB/bundle.json","state_url":"https://pith.science/pith/TLZJL4NWGVDI5QX6RIMG7APGGB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TLZJL4NWGVDI5QX6RIMG7APGGB/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":"2026-08-14T14:28:32Z","links":{"resolver":"https://pith.science/pith/TLZJL4NWGVDI5QX6RIMG7APGGB","bundle":"https://pith.science/pith/TLZJL4NWGVDI5QX6RIMG7APGGB/bundle.json","state":"https://pith.science/pith/TLZJL4NWGVDI5QX6RIMG7APGGB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TLZJL4NWGVDI5QX6RIMG7APGGB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TLZJL4NWGVDI5QX6RIMG7APGGB","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":"37dfdd98791a94919fe854ddb0d3d991d5ab4eae2c3e63e574e4716552cd6293","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-10T21:08:31Z","title_canon_sha256":"ac7c8d72cf6fbf28b1d7836a57ecd529e0ee3c37d7a59dbd37fda91655e7851a"},"schema_version":"1.0","source":{"id":"1504.02792","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02792","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02792v1","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02792","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"pith_short_12","alias_value":"TLZJL4NWGVDI","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"pith_short_16","alias_value":"TLZJL4NWGVDI5QX6","created_at":"2026-07-05T06:31:47Z"},{"alias_kind":"pith_short_8","alias_value":"TLZJL4NW","created_at":"2026-07-05T06:31:47Z"}],"graph_snapshots":[{"event_id":"sha256:6e379c56be358ac5a0d34ceacb9ab308ac7a75cddc2dd7ec160291100a4f1af4","target":"graph","created_at":"2026-07-05T06:31:47Z","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/1504.02792/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Confined suspensions of active particles show peculiar dynamics characterized by wall accumulation, as well as upstream swimming, centerline depletion and shear-trapping when a pressure-driven flow is imposed. We use theory and numerical simulations to investigate the effects of confinement and non-uniform shear on the dynamics of a dilute suspension of Brownian active swimmers by incorporating a detailed treatment of boundary conditions within a simple kinetic model where the configuration of the suspension is described using a conservation equation for the probability distribution function o","authors_text":"Barath Ezhilan, David Saintillan","cross_cats":["cond-mat.soft","physics.bio-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-10T21:08:31Z","title":"Transport of a dilute active suspension in pressure-driven channel flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02792","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:da406cf078736320beb378e3cbb1b9b065a80c3a3c85eaf7d3b6f26f02c4fc9d","target":"record","created_at":"2026-07-05T06:31:47Z","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":"37dfdd98791a94919fe854ddb0d3d991d5ab4eae2c3e63e574e4716552cd6293","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-10T21:08:31Z","title_canon_sha256":"ac7c8d72cf6fbf28b1d7836a57ecd529e0ee3c37d7a59dbd37fda91655e7851a"},"schema_version":"1.0","source":{"id":"1504.02792","kind":"arxiv","version":1}},"canonical_sha256":"9af295f1b635468ec2fe8a186f81e6305e482023620bf589bcba4004f3379e01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9af295f1b635468ec2fe8a186f81e6305e482023620bf589bcba4004f3379e01","first_computed_at":"2026-07-05T06:31:47.446765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:31:47.446765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gWf9X/gxS0JeAAbOgB+hipOR7xRGjoK8x1RDukLCUGZkq5wtO/2848vsLoyAl+69/cJR2pAa6D1OvlAcXqhACg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:31:47.447209Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.02792","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da406cf078736320beb378e3cbb1b9b065a80c3a3c85eaf7d3b6f26f02c4fc9d","sha256:6e379c56be358ac5a0d34ceacb9ab308ac7a75cddc2dd7ec160291100a4f1af4"],"state_sha256":"4007de1ec42fe3a25b10847696168afe0a1337d5b7c0c81c09bed20a72b8d04d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ihJIIEbO91InASccPQ7EVaU8P850wsPQMVZtxgZXg8Ex8V0TInyXw+Fu0I4zo8NLsgA8C+iURrjzYOgL58+ECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T14:28:32.572408Z","bundle_sha256":"3347f3bd47345a651514faf95621574f9f0fc277559cc36f1db4f6b77d8fede0"}}