{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VQSXF2BLPJ6WNEKPJ57OBBGSYS","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":"45a071ef17df472430c7e48d0abf2658a023970b78aa5942b131a18b0f9a2b41","cross_cats_sorted":["physics.bio-ph","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-02-27T15:29:30Z","title_canon_sha256":"6d986196542b24343fe7b1dfc66034db1c099e70e6e78eecfbd298f5294a4810"},"schema_version":"1.0","source":{"id":"1902.10589","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10589","created_at":"2026-05-17T23:52:30Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10589v1","created_at":"2026-05-17T23:52:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10589","created_at":"2026-05-17T23:52:30Z"},{"alias_kind":"pith_short_12","alias_value":"VQSXF2BLPJ6W","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VQSXF2BLPJ6WNEKP","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VQSXF2BL","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:f3c0f1a6c34d3d3801898dd2407800f8db2eeb542c68029742e29e82aaa76965","target":"graph","created_at":"2026-05-17T23:52:30Z","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":"In chemotaxis, cells are modulating their migration patterns in response to concentration gradients of a guiding substance. Immune cells are believed to use such chemotactic sensing for remotely detecting and homing in on pathogens. Considering that an immune cells may encounter a multitude of targets with vastly different migration properties, ranging from immobile to highly mobile, it is not clear which strategies of chemotactic pursuit are simultaneously efficient and versatile. We takle this problem theoretically and define a tunable response function that maps temporal or spatial concentr","authors_text":"Claus Metzner","cross_cats":["physics.bio-ph","q-bio.QM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-02-27T15:29:30Z","title":"Principles of efficient chemotactic pursuit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10589","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":"sha256:4e853c010bb6a9f5780e901b160431cbd13ee5c966f0fa8f713d83121410e53c","target":"record","created_at":"2026-05-17T23:52:30Z","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":"45a071ef17df472430c7e48d0abf2658a023970b78aa5942b131a18b0f9a2b41","cross_cats_sorted":["physics.bio-ph","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-02-27T15:29:30Z","title_canon_sha256":"6d986196542b24343fe7b1dfc66034db1c099e70e6e78eecfbd298f5294a4810"},"schema_version":"1.0","source":{"id":"1902.10589","kind":"arxiv","version":1}},"canonical_sha256":"ac2572e82b7a7d66914f4f7ee084d2c4a95c36ca004b83fe55d80ba9efb2a4a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac2572e82b7a7d66914f4f7ee084d2c4a95c36ca004b83fe55d80ba9efb2a4a2","first_computed_at":"2026-05-17T23:52:30.432455Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:30.432455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tIG/VogRznKBRJabr89vaeTl6jSf5QkdARmEgKQyJ8ulSYC06OFzJd1XnAb3dPI0ShE59dC0Nda34Yu8PnrACQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:30.432930Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.10589","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e853c010bb6a9f5780e901b160431cbd13ee5c966f0fa8f713d83121410e53c","sha256:f3c0f1a6c34d3d3801898dd2407800f8db2eeb542c68029742e29e82aaa76965"],"state_sha256":"b4f287f4113b8ea425b6593332c27296cb032106fdfa553c3504a04b4e8b14b6"}