{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:VSUG5ICA35E4LCWSVDW7C7UI6Z","short_pith_number":"pith:VSUG5ICA","canonical_record":{"source":{"id":"1905.02933","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-05-08T06:58:20Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"5ea1a1d88ba8a459c1051e3ac3fe71c113551f7bd471ddc974b5e698be470952","abstract_canon_sha256":"9144fe578d1458719736ad91f34e7de1ad7e6fec6ae7bb05a7d4b8cb6cdb6a1a"},"schema_version":"1.0"},"canonical_sha256":"aca86ea040df49c58ad2a8edf17e88f66afa96ca2d109e466a87e528d096d0e0","source":{"kind":"arxiv","id":"1905.02933","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02933","created_at":"2026-05-17T23:46:31Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02933v2","created_at":"2026-05-17T23:46:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02933","created_at":"2026-05-17T23:46:31Z"},{"alias_kind":"pith_short_12","alias_value":"VSUG5ICA35E4","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VSUG5ICA35E4LCWS","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VSUG5ICA","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:VSUG5ICA35E4LCWSVDW7C7UI6Z","target":"record","payload":{"canonical_record":{"source":{"id":"1905.02933","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-05-08T06:58:20Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"5ea1a1d88ba8a459c1051e3ac3fe71c113551f7bd471ddc974b5e698be470952","abstract_canon_sha256":"9144fe578d1458719736ad91f34e7de1ad7e6fec6ae7bb05a7d4b8cb6cdb6a1a"},"schema_version":"1.0"},"canonical_sha256":"aca86ea040df49c58ad2a8edf17e88f66afa96ca2d109e466a87e528d096d0e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:31.806077Z","signature_b64":"deW4acxHx3heRcaEx/ivT505pzjOkAy0JYAQ1KRTHncRDjrXrskgjMaM0YKMk9gmGB+iGDNPsXI/bkkHL9t+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aca86ea040df49c58ad2a8edf17e88f66afa96ca2d109e466a87e528d096d0e0","last_reissued_at":"2026-05-17T23:46:31.805305Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:31.805305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.02933","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":"2026-05-17T23:46:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E/K7KboTKDVzZw1xxLjoJ8zhUn8tjUKp+r9cCK5DdhQz0XkzXSv0WBag7TGDOSOZftipyfcZEfk45b7YNV6iCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:55:55.075864Z"},"content_sha256":"48c26c9be1363e6bede1ad21a5078a2dd3fcadb97ae4d01a581621adbfbe9d10","schema_version":"1.0","event_id":"sha256:48c26c9be1363e6bede1ad21a5078a2dd3fcadb97ae4d01a581621adbfbe9d10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:VSUG5ICA35E4LCWSVDW7C7UI6Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finite response time in stripe formation by bacteria with density-suppressed motility","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","physics.bio-ph"],"primary_cat":"q-bio.CB","authors_text":"Namiko Mitarai, Xingyu Zhang","submitted_at":"2019-05-08T06:58:20Z","abstract_excerpt":"Genetically engineered bacteria to increase the tumbling frequency of the run-and-tumble motion for the higher local bacterial density form visible stripe pattern composed of successive high and low density regions on an agar plate. We propose a model that includes a simplified regulatory dynamics of the tumbling frequency in individual cells to clarify the role of finite response time. We show that the time-delay due to the response dynamics results in the instability in a homogeneous steady state allowing a pattern formation. For further understanding, we propose a simplified two-state model"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02933","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":"2026-05-17T23:46:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kzqa9hEV4YMe+V/KgImr7kAbOelz3IB7CKt9q93oMLX4sT2I+udefN/zCRwmycu0SI6jj00Uh5zKQIDZcLGtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:55:55.076524Z"},"content_sha256":"d8da3615878cc71fb0b6c0f068b1acba79b6f63737a97f4c7cb30b09e8dc6440","schema_version":"1.0","event_id":"sha256:d8da3615878cc71fb0b6c0f068b1acba79b6f63737a97f4c7cb30b09e8dc6440"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z/bundle.json","state_url":"https://pith.science/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z/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":"2026-06-06T15:55:55Z","links":{"resolver":"https://pith.science/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z","bundle":"https://pith.science/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z/bundle.json","state":"https://pith.science/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VSUG5ICA35E4LCWSVDW7C7UI6Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VSUG5ICA35E4LCWSVDW7C7UI6Z","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":"9144fe578d1458719736ad91f34e7de1ad7e6fec6ae7bb05a7d4b8cb6cdb6a1a","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-05-08T06:58:20Z","title_canon_sha256":"5ea1a1d88ba8a459c1051e3ac3fe71c113551f7bd471ddc974b5e698be470952"},"schema_version":"1.0","source":{"id":"1905.02933","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02933","created_at":"2026-05-17T23:46:31Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02933v2","created_at":"2026-05-17T23:46:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02933","created_at":"2026-05-17T23:46:31Z"},{"alias_kind":"pith_short_12","alias_value":"VSUG5ICA35E4","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VSUG5ICA35E4LCWS","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VSUG5ICA","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:d8da3615878cc71fb0b6c0f068b1acba79b6f63737a97f4c7cb30b09e8dc6440","target":"graph","created_at":"2026-05-17T23:46:31Z","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":"Genetically engineered bacteria to increase the tumbling frequency of the run-and-tumble motion for the higher local bacterial density form visible stripe pattern composed of successive high and low density regions on an agar plate. We propose a model that includes a simplified regulatory dynamics of the tumbling frequency in individual cells to clarify the role of finite response time. We show that the time-delay due to the response dynamics results in the instability in a homogeneous steady state allowing a pattern formation. For further understanding, we propose a simplified two-state model","authors_text":"Namiko Mitarai, Xingyu Zhang","cross_cats":["cond-mat.soft","physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-05-08T06:58:20Z","title":"Finite response time in stripe formation by bacteria with density-suppressed motility"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02933","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":"sha256:48c26c9be1363e6bede1ad21a5078a2dd3fcadb97ae4d01a581621adbfbe9d10","target":"record","created_at":"2026-05-17T23:46:31Z","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":"9144fe578d1458719736ad91f34e7de1ad7e6fec6ae7bb05a7d4b8cb6cdb6a1a","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.CB","submitted_at":"2019-05-08T06:58:20Z","title_canon_sha256":"5ea1a1d88ba8a459c1051e3ac3fe71c113551f7bd471ddc974b5e698be470952"},"schema_version":"1.0","source":{"id":"1905.02933","kind":"arxiv","version":2}},"canonical_sha256":"aca86ea040df49c58ad2a8edf17e88f66afa96ca2d109e466a87e528d096d0e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aca86ea040df49c58ad2a8edf17e88f66afa96ca2d109e466a87e528d096d0e0","first_computed_at":"2026-05-17T23:46:31.805305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:31.805305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"deW4acxHx3heRcaEx/ivT505pzjOkAy0JYAQ1KRTHncRDjrXrskgjMaM0YKMk9gmGB+iGDNPsXI/bkkHL9t+CA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:31.806077Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.02933","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48c26c9be1363e6bede1ad21a5078a2dd3fcadb97ae4d01a581621adbfbe9d10","sha256:d8da3615878cc71fb0b6c0f068b1acba79b6f63737a97f4c7cb30b09e8dc6440"],"state_sha256":"8195f88778eb574d36734a9410b20336a355f8251e911d2228821ab067b7a20e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xy1HzabG4p2flNnWpLSMzhD3we580imGpXhawsVPqgaDNFuqL4crAt39mBLHRhp/KOaAn9fkGKB9yOywSpM7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T15:55:55.079784Z","bundle_sha256":"83a42a0c9825dc1af5282aabc53a70969c245d9f6a1fa5856a4c93a319f9be76"}}