{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MRLUPARNZQFONTIUF33SC2ZY76","short_pith_number":"pith:MRLUPARN","canonical_record":{"source":{"id":"1505.02338","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-10T02:31:38Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"622140485338928c2b87ce2797f30d78e68b1ddde56f021876f38dab209762ec","abstract_canon_sha256":"812f718d06b281e0426d7827bcb5dd61b7a51968d94f92b4a3f487ccf110c252"},"schema_version":"1.0"},"canonical_sha256":"645747822dcc0ae6cd142ef7216b38ff9bf9e4964b2698492f0e261b8c9916b1","source":{"kind":"arxiv","id":"1505.02338","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.02338","created_at":"2026-05-18T02:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1505.02338v1","created_at":"2026-05-18T02:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.02338","created_at":"2026-05-18T02:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"MRLUPARNZQFO","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MRLUPARNZQFONTIU","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MRLUPARN","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MRLUPARNZQFONTIUF33SC2ZY76","target":"record","payload":{"canonical_record":{"source":{"id":"1505.02338","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-10T02:31:38Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"622140485338928c2b87ce2797f30d78e68b1ddde56f021876f38dab209762ec","abstract_canon_sha256":"812f718d06b281e0426d7827bcb5dd61b7a51968d94f92b4a3f487ccf110c252"},"schema_version":"1.0"},"canonical_sha256":"645747822dcc0ae6cd142ef7216b38ff9bf9e4964b2698492f0e261b8c9916b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:19.111469Z","signature_b64":"1b6FRdpeYPC3t0JOhBp4816IaFqCKb4EPoOiCi5yXYul2bBJQALsGRen9eoZCjENk7ZNMPQEW/rkBKc3jIyfDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"645747822dcc0ae6cd142ef7216b38ff9bf9e4964b2698492f0e261b8c9916b1","last_reissued_at":"2026-05-18T02:16:19.110939Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:19.110939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.02338","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":"2026-05-18T02:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JEsijyS5rOV6saXgaSk/7jvX9M+/rA706r0XtEaEF0SXcanb37mFaPsjhbs1VutnjA6jEgBEOPI9MREzttwfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:51:32.385080Z"},"content_sha256":"ce53bd0037a8a9adc160a9c67442e75571859727e58859e0c0a908bb2b5dd91b","schema_version":"1.0","event_id":"sha256:ce53bd0037a8a9adc160a9c67442e75571859727e58859e0c0a908bb2b5dd91b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MRLUPARNZQFONTIUF33SC2ZY76","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chirality separation of mixed chiral microswimmers in a periodic channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"Bao-Quan Ai, Wei-Rong Zhong, Ya-feng He","submitted_at":"2015-05-10T02:31:38Z","abstract_excerpt":"Dynamics and separation of mixed chiral microswimmers are numerically investigated in a channel with regular arrays of rigid half-circle obstacles. For zero shear flow, transport behaviors are the same for different chiral particles: the average velocity decreases with increase of the rotational diffusion coefficient, the direction of the transport can be reversed by tuning the angular velocity, and there exists an optimal value of the packing fraction at which the average velocity takes its maximal value. However, when the shear flow is considered, different chiral particles show different be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.02338","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":"2026-05-18T02:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"piNLXr4FIEmND11AJanXvkcT+yNV8Sst+4yJVdE5XOC9ELUEAbHXSGGOBdJdNwXlzpZB6ASucSVxLiYQgIogAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:51:32.385981Z"},"content_sha256":"58dd6d4a62054afb581f2cf8c3f1e8ba9809157fd95863284f1f64cbfff301ae","schema_version":"1.0","event_id":"sha256:58dd6d4a62054afb581f2cf8c3f1e8ba9809157fd95863284f1f64cbfff301ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MRLUPARNZQFONTIUF33SC2ZY76/bundle.json","state_url":"https://pith.science/pith/MRLUPARNZQFONTIUF33SC2ZY76/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MRLUPARNZQFONTIUF33SC2ZY76/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":"2026-05-31T14:51:32Z","links":{"resolver":"https://pith.science/pith/MRLUPARNZQFONTIUF33SC2ZY76","bundle":"https://pith.science/pith/MRLUPARNZQFONTIUF33SC2ZY76/bundle.json","state":"https://pith.science/pith/MRLUPARNZQFONTIUF33SC2ZY76/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MRLUPARNZQFONTIUF33SC2ZY76/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MRLUPARNZQFONTIUF33SC2ZY76","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":"812f718d06b281e0426d7827bcb5dd61b7a51968d94f92b4a3f487ccf110c252","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-10T02:31:38Z","title_canon_sha256":"622140485338928c2b87ce2797f30d78e68b1ddde56f021876f38dab209762ec"},"schema_version":"1.0","source":{"id":"1505.02338","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.02338","created_at":"2026-05-18T02:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1505.02338v1","created_at":"2026-05-18T02:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.02338","created_at":"2026-05-18T02:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"MRLUPARNZQFO","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MRLUPARNZQFONTIU","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MRLUPARN","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:58dd6d4a62054afb581f2cf8c3f1e8ba9809157fd95863284f1f64cbfff301ae","target":"graph","created_at":"2026-05-18T02:16:19Z","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":"Dynamics and separation of mixed chiral microswimmers are numerically investigated in a channel with regular arrays of rigid half-circle obstacles. For zero shear flow, transport behaviors are the same for different chiral particles: the average velocity decreases with increase of the rotational diffusion coefficient, the direction of the transport can be reversed by tuning the angular velocity, and there exists an optimal value of the packing fraction at which the average velocity takes its maximal value. However, when the shear flow is considered, different chiral particles show different be","authors_text":"Bao-Quan Ai, Wei-Rong Zhong, Ya-feng He","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-10T02:31:38Z","title":"Chirality separation of mixed chiral microswimmers in a periodic channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.02338","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:ce53bd0037a8a9adc160a9c67442e75571859727e58859e0c0a908bb2b5dd91b","target":"record","created_at":"2026-05-18T02:16:19Z","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":"812f718d06b281e0426d7827bcb5dd61b7a51968d94f92b4a3f487ccf110c252","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-05-10T02:31:38Z","title_canon_sha256":"622140485338928c2b87ce2797f30d78e68b1ddde56f021876f38dab209762ec"},"schema_version":"1.0","source":{"id":"1505.02338","kind":"arxiv","version":1}},"canonical_sha256":"645747822dcc0ae6cd142ef7216b38ff9bf9e4964b2698492f0e261b8c9916b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"645747822dcc0ae6cd142ef7216b38ff9bf9e4964b2698492f0e261b8c9916b1","first_computed_at":"2026-05-18T02:16:19.110939Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:19.110939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1b6FRdpeYPC3t0JOhBp4816IaFqCKb4EPoOiCi5yXYul2bBJQALsGRen9eoZCjENk7ZNMPQEW/rkBKc3jIyfDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:19.111469Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.02338","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce53bd0037a8a9adc160a9c67442e75571859727e58859e0c0a908bb2b5dd91b","sha256:58dd6d4a62054afb581f2cf8c3f1e8ba9809157fd95863284f1f64cbfff301ae"],"state_sha256":"c4f1744f74f3d903d611940ac5efcac265959dbca3db30eda42e050187ab3abb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mmTHn2MUXr84pHNsJVxT0E3Cljr03kdYrpk+7X2s65iXIuby4CHyl5UYwr01P43xz2nrOqz64WP+UEEzdrBCBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T14:51:32.389521Z","bundle_sha256":"eff144c4f34594f199ec54e8b5745d9d61105505dbaca1f556fd25b859a3b052"}}