{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:JOWPVJY3YZDQ247ULXQGC6GOYV","short_pith_number":"pith:JOWPVJY3","canonical_record":{"source":{"id":"1301.1155","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2013-01-07T11:29:26Z","cross_cats_sorted":[],"title_canon_sha256":"9144943f1f5d7bd1442ee666fb9f77a0554529ae4904ce4c4a8d61a65a027e6c","abstract_canon_sha256":"7933598472ccf02a5457460894393e0760043848bd209507ec90a72618eca814"},"schema_version":"1.0"},"canonical_sha256":"4bacfaa71bc6470d73f45de06178cec571565967b6b1f15f8ce5b6fc7e931558","source":{"kind":"arxiv","id":"1301.1155","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1155","created_at":"2026-05-18T03:37:06Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1155v1","created_at":"2026-05-18T03:37:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1155","created_at":"2026-05-18T03:37:06Z"},{"alias_kind":"pith_short_12","alias_value":"JOWPVJY3YZDQ","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JOWPVJY3YZDQ247U","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JOWPVJY3","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:JOWPVJY3YZDQ247ULXQGC6GOYV","target":"record","payload":{"canonical_record":{"source":{"id":"1301.1155","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2013-01-07T11:29:26Z","cross_cats_sorted":[],"title_canon_sha256":"9144943f1f5d7bd1442ee666fb9f77a0554529ae4904ce4c4a8d61a65a027e6c","abstract_canon_sha256":"7933598472ccf02a5457460894393e0760043848bd209507ec90a72618eca814"},"schema_version":"1.0"},"canonical_sha256":"4bacfaa71bc6470d73f45de06178cec571565967b6b1f15f8ce5b6fc7e931558","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:37:06.681589Z","signature_b64":"PMGqwZ0Jro0RyENpGZMQNi4Tw5mHhazSWLqmdZooaIj8OQ5zb1F59lkWdNRdAjXzm7oA1BdZQF/OKsrK6BYnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bacfaa71bc6470d73f45de06178cec571565967b6b1f15f8ce5b6fc7e931558","last_reissued_at":"2026-05-18T03:37:06.680810Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:37:06.680810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.1155","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":"2026-05-18T03:37:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bkYXvhHlX9b6kj+Y4lsTrShIkC82jw8eBbITd4Hbm41yjZwbcevfr/gO1lCxOGvxd+/F6hSCQ/NEJTXpJN6iCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:23:36.881983Z"},"content_sha256":"0d3b2eaeb5a6eb13dea75daeff621ba18965c34413754057b70583d13a85c1e4","schema_version":"1.0","event_id":"sha256:0d3b2eaeb5a6eb13dea75daeff621ba18965c34413754057b70583d13a85c1e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:JOWPVJY3YZDQ247ULXQGC6GOYV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cooperative dynamics of microtubule ensembles: Polymerization forces and rescue-induced oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.SC","authors_text":"Bj\\\"orn Zelinski, Jan Kierfeld","submitted_at":"2013-01-07T11:29:26Z","abstract_excerpt":"We investigate the cooperative dynamics of an ensemble of N microtubules growing against an elastic barrier. Microtubules undergo so-called catastrophes, which are abrupt stochastic transitions from a growing to a shrinking state, and rescues, which are transitions back to the growing state. Microtubules can exert pushing or polymerization forces on an obstacle, such as an elastic barrier if the growing end is in contact with the obstacle. We use dynamical mean-field theory and stochastic simulations to analyze a model where each microtubule undergoes catastrophes and rescues and where microtu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1155","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":"2026-05-18T03:37:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bPJSVEUMNhT3LcpLLQ8DGWQYoAou4PwEkdrvcN3YnRjjgE1gYByVN7/8G3i5Dra6wTpzVMmEl44wzYlAJEPcCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:23:36.882338Z"},"content_sha256":"fe0a0e5bea4dde52ba9e9b49527ce6cf5ad5fa7fc5b4e8a7a7a43dde21bc248d","schema_version":"1.0","event_id":"sha256:fe0a0e5bea4dde52ba9e9b49527ce6cf5ad5fa7fc5b4e8a7a7a43dde21bc248d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JOWPVJY3YZDQ247ULXQGC6GOYV/bundle.json","state_url":"https://pith.science/pith/JOWPVJY3YZDQ247ULXQGC6GOYV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JOWPVJY3YZDQ247ULXQGC6GOYV/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":"2026-05-28T14:23:36Z","links":{"resolver":"https://pith.science/pith/JOWPVJY3YZDQ247ULXQGC6GOYV","bundle":"https://pith.science/pith/JOWPVJY3YZDQ247ULXQGC6GOYV/bundle.json","state":"https://pith.science/pith/JOWPVJY3YZDQ247ULXQGC6GOYV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JOWPVJY3YZDQ247ULXQGC6GOYV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:JOWPVJY3YZDQ247ULXQGC6GOYV","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":"7933598472ccf02a5457460894393e0760043848bd209507ec90a72618eca814","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2013-01-07T11:29:26Z","title_canon_sha256":"9144943f1f5d7bd1442ee666fb9f77a0554529ae4904ce4c4a8d61a65a027e6c"},"schema_version":"1.0","source":{"id":"1301.1155","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1155","created_at":"2026-05-18T03:37:06Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1155v1","created_at":"2026-05-18T03:37:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1155","created_at":"2026-05-18T03:37:06Z"},{"alias_kind":"pith_short_12","alias_value":"JOWPVJY3YZDQ","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JOWPVJY3YZDQ247U","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JOWPVJY3","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:fe0a0e5bea4dde52ba9e9b49527ce6cf5ad5fa7fc5b4e8a7a7a43dde21bc248d","target":"graph","created_at":"2026-05-18T03:37:06Z","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":"We investigate the cooperative dynamics of an ensemble of N microtubules growing against an elastic barrier. Microtubules undergo so-called catastrophes, which are abrupt stochastic transitions from a growing to a shrinking state, and rescues, which are transitions back to the growing state. Microtubules can exert pushing or polymerization forces on an obstacle, such as an elastic barrier if the growing end is in contact with the obstacle. We use dynamical mean-field theory and stochastic simulations to analyze a model where each microtubule undergoes catastrophes and rescues and where microtu","authors_text":"Bj\\\"orn Zelinski, Jan Kierfeld","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2013-01-07T11:29:26Z","title":"Cooperative dynamics of microtubule ensembles: Polymerization forces and rescue-induced oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1155","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":"sha256:0d3b2eaeb5a6eb13dea75daeff621ba18965c34413754057b70583d13a85c1e4","target":"record","created_at":"2026-05-18T03:37:06Z","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":"7933598472ccf02a5457460894393e0760043848bd209507ec90a72618eca814","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2013-01-07T11:29:26Z","title_canon_sha256":"9144943f1f5d7bd1442ee666fb9f77a0554529ae4904ce4c4a8d61a65a027e6c"},"schema_version":"1.0","source":{"id":"1301.1155","kind":"arxiv","version":1}},"canonical_sha256":"4bacfaa71bc6470d73f45de06178cec571565967b6b1f15f8ce5b6fc7e931558","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bacfaa71bc6470d73f45de06178cec571565967b6b1f15f8ce5b6fc7e931558","first_computed_at":"2026-05-18T03:37:06.680810Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:06.680810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PMGqwZ0Jro0RyENpGZMQNi4Tw5mHhazSWLqmdZooaIj8OQ5zb1F59lkWdNRdAjXzm7oA1BdZQF/OKsrK6BYnCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:06.681589Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.1155","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d3b2eaeb5a6eb13dea75daeff621ba18965c34413754057b70583d13a85c1e4","sha256:fe0a0e5bea4dde52ba9e9b49527ce6cf5ad5fa7fc5b4e8a7a7a43dde21bc248d"],"state_sha256":"9145cd2f7e8ddeb147938c220a0c18f07a7be456ae1bf86fd2d132b60c67fe6b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q5FQ2ErYTweHYJTuraoGwy1h5ipvgFel2cvF8D8noerItJC3JqLye4Oy36rhpJifP2wtUnv6D3/XoNqOSlzWDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:23:36.884225Z","bundle_sha256":"b75f7f325c802741c7eb626fe8a6e7817a13acf75f3048de76da8e69fcb8bd89"}}