{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JSJYKE5PZ7TCQSR2GIU4BCHNOF","short_pith_number":"pith:JSJYKE5P","canonical_record":{"source":{"id":"1704.05264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2017-04-18T10:43:40Z","cross_cats_sorted":["physics.flu-dyn","q-bio.CB"],"title_canon_sha256":"b9b6027235ad692c47cf949a06217f14668511cc92f134e669aa3e4a339152dd","abstract_canon_sha256":"3121366bdde6863ab4f31dd370f277fb00f568ede6742f067785404767f6e638"},"schema_version":"1.0"},"canonical_sha256":"4c938513afcfe6284a3a3229c088ed716d617d819ae48d381828c6033de8ee9f","source":{"kind":"arxiv","id":"1704.05264","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05264","created_at":"2026-05-18T00:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05264v2","created_at":"2026-05-18T00:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05264","created_at":"2026-05-18T00:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"JSJYKE5PZ7TC","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JSJYKE5PZ7TCQSR2","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JSJYKE5P","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JSJYKE5PZ7TCQSR2GIU4BCHNOF","target":"record","payload":{"canonical_record":{"source":{"id":"1704.05264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2017-04-18T10:43:40Z","cross_cats_sorted":["physics.flu-dyn","q-bio.CB"],"title_canon_sha256":"b9b6027235ad692c47cf949a06217f14668511cc92f134e669aa3e4a339152dd","abstract_canon_sha256":"3121366bdde6863ab4f31dd370f277fb00f568ede6742f067785404767f6e638"},"schema_version":"1.0"},"canonical_sha256":"4c938513afcfe6284a3a3229c088ed716d617d819ae48d381828c6033de8ee9f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:07.014390Z","signature_b64":"GLbeTETkJHr7p71bq1bn6I27UPR08Xq4Gn2Oc4VB+bwbW2afeYtjIPqCjktn2BRv/7szJTvoBJ5CkSC3ttzmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c938513afcfe6284a3a3229c088ed716d617d819ae48d381828c6033de8ee9f","last_reissued_at":"2026-05-18T00:20:07.013730Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:07.013730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.05264","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:20:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VT94HuNT/U1TFqQh1FKcMYWF4xdbDRMTvyezaHinXZY/QuAXdzgJHNNnWXI7YIYIDEItUhdUlPbeHj2IHLgxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T12:58:05.464991Z"},"content_sha256":"d75aa25a1b980ffadd23fcb1a85356ad89f3da4af298433c8babf847c71dc4d3","schema_version":"1.0","event_id":"sha256:d75aa25a1b980ffadd23fcb1a85356ad89f3da4af298433c8babf847c71dc4d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JSJYKE5PZ7TCQSR2GIU4BCHNOF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal entrainment mechanism governs contact times with motile cells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn","q-bio.CB"],"primary_cat":"physics.bio-ph","authors_text":"Arnold Mathijssen, Marco Polin, Rapha\\\"el Jeanneret","submitted_at":"2017-04-18T10:43:40Z","abstract_excerpt":"Contact between particles and motile cells underpins a wide variety of biological processes, from nutrient capture and ligand binding, to grazing, viral infection and cell-cell communication. The window of opportunity for these interactions is ultimately determined by the physical mechanism that enables proximity and governs the contact time. Jeanneret et al. (Nat. Comm. 7: 12518, 2016) reported recently that for the biflagellate microalga Chlamydomonas reinhardtii contact with microparticles is controlled by events in which the object is entrained by the swimmer over large distances. However,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05264","kind":"arxiv","version":2},"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":"2026-05-18T00:20:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G/cB5sEL69MiliFpYVctSAbR8f9t13DojM/NaIKnOWcqajRlnIGi4NuBppQkSIxezkRVkfOAP6lpPNtMxMEGCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T12:58:05.465355Z"},"content_sha256":"dd66e2a1617c52b303e45fc48b7b935677247d85d4ac1bf75642d953a1d69fd8","schema_version":"1.0","event_id":"sha256:dd66e2a1617c52b303e45fc48b7b935677247d85d4ac1bf75642d953a1d69fd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF/bundle.json","state_url":"https://pith.science/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF/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":"2026-05-20T12:58:05Z","links":{"resolver":"https://pith.science/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF","bundle":"https://pith.science/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF/bundle.json","state":"https://pith.science/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JSJYKE5PZ7TCQSR2GIU4BCHNOF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JSJYKE5PZ7TCQSR2GIU4BCHNOF","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":"3121366bdde6863ab4f31dd370f277fb00f568ede6742f067785404767f6e638","cross_cats_sorted":["physics.flu-dyn","q-bio.CB"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2017-04-18T10:43:40Z","title_canon_sha256":"b9b6027235ad692c47cf949a06217f14668511cc92f134e669aa3e4a339152dd"},"schema_version":"1.0","source":{"id":"1704.05264","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05264","created_at":"2026-05-18T00:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05264v2","created_at":"2026-05-18T00:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05264","created_at":"2026-05-18T00:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"JSJYKE5PZ7TC","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JSJYKE5PZ7TCQSR2","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JSJYKE5P","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:dd66e2a1617c52b303e45fc48b7b935677247d85d4ac1bf75642d953a1d69fd8","target":"graph","created_at":"2026-05-18T00:20:07Z","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":"Contact between particles and motile cells underpins a wide variety of biological processes, from nutrient capture and ligand binding, to grazing, viral infection and cell-cell communication. The window of opportunity for these interactions is ultimately determined by the physical mechanism that enables proximity and governs the contact time. Jeanneret et al. (Nat. Comm. 7: 12518, 2016) reported recently that for the biflagellate microalga Chlamydomonas reinhardtii contact with microparticles is controlled by events in which the object is entrained by the swimmer over large distances. However,","authors_text":"Arnold Mathijssen, Marco Polin, Rapha\\\"el Jeanneret","cross_cats":["physics.flu-dyn","q-bio.CB"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2017-04-18T10:43:40Z","title":"Universal entrainment mechanism governs contact times with motile cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05264","kind":"arxiv","version":2},"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:d75aa25a1b980ffadd23fcb1a85356ad89f3da4af298433c8babf847c71dc4d3","target":"record","created_at":"2026-05-18T00:20:07Z","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":"3121366bdde6863ab4f31dd370f277fb00f568ede6742f067785404767f6e638","cross_cats_sorted":["physics.flu-dyn","q-bio.CB"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2017-04-18T10:43:40Z","title_canon_sha256":"b9b6027235ad692c47cf949a06217f14668511cc92f134e669aa3e4a339152dd"},"schema_version":"1.0","source":{"id":"1704.05264","kind":"arxiv","version":2}},"canonical_sha256":"4c938513afcfe6284a3a3229c088ed716d617d819ae48d381828c6033de8ee9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c938513afcfe6284a3a3229c088ed716d617d819ae48d381828c6033de8ee9f","first_computed_at":"2026-05-18T00:20:07.013730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:07.013730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GLbeTETkJHr7p71bq1bn6I27UPR08Xq4Gn2Oc4VB+bwbW2afeYtjIPqCjktn2BRv/7szJTvoBJ5CkSC3ttzmDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:07.014390Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.05264","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d75aa25a1b980ffadd23fcb1a85356ad89f3da4af298433c8babf847c71dc4d3","sha256:dd66e2a1617c52b303e45fc48b7b935677247d85d4ac1bf75642d953a1d69fd8"],"state_sha256":"cb6980bfefe2008bf93ef1db7c1e764c142cf6a3c9f95e0d5cd13fd43210df7b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x5xDIPu8IvdZvoGCVEKmU3n/NdaGPdoV5TihrhXvQ6aVEfQVSFgQaVNPQtKIQUkCOzLmv++WMMXNqRsNwUVjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T12:58:05.467395Z","bundle_sha256":"505332ad8ed27dacaf8e4eeb04f331bfb8aebfad4e5df2645f3112a902e633ef"}}