{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LDMJHLXXKXVIUDMZJ7HQUEA2VM","short_pith_number":"pith:LDMJHLXX","canonical_record":{"source":{"id":"1207.4574","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2012-07-19T07:48:47Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"395db0e4a11565b2163259e69764990f212160f6219d03abe1e61852449b5eb9","abstract_canon_sha256":"430c1eec370b22ed0df6a9e3e8e70192635735898d6e5b3c5cafe93606f2dba3"},"schema_version":"1.0"},"canonical_sha256":"58d893aef755ea8a0d994fcf0a101aab34b4a0693d6ceeec3107302175a2de29","source":{"kind":"arxiv","id":"1207.4574","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4574","created_at":"2026-05-18T03:28:05Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4574v2","created_at":"2026-05-18T03:28:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4574","created_at":"2026-05-18T03:28:05Z"},{"alias_kind":"pith_short_12","alias_value":"LDMJHLXXKXVI","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LDMJHLXXKXVIUDMZ","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LDMJHLXX","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LDMJHLXXKXVIUDMZJ7HQUEA2VM","target":"record","payload":{"canonical_record":{"source":{"id":"1207.4574","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2012-07-19T07:48:47Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"395db0e4a11565b2163259e69764990f212160f6219d03abe1e61852449b5eb9","abstract_canon_sha256":"430c1eec370b22ed0df6a9e3e8e70192635735898d6e5b3c5cafe93606f2dba3"},"schema_version":"1.0"},"canonical_sha256":"58d893aef755ea8a0d994fcf0a101aab34b4a0693d6ceeec3107302175a2de29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:05.918850Z","signature_b64":"f586TjwiFQKUGeFTXfxYCNdRnlSUKnM3QNFdsUGK6VIdB3uqiCzrUF3UeajOkLe4NdsWLPucPKuMPYuGTeanDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58d893aef755ea8a0d994fcf0a101aab34b4a0693d6ceeec3107302175a2de29","last_reissued_at":"2026-05-18T03:28:05.918265Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:05.918265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.4574","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":"2026-05-18T03:28:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AhA0vccppo98CDFpbPEQRGSovXlEvoH/qirAAW2IrJBvNhhSbJjB22cgz/LeVV1r/e9ebcNHkpA6o13RJ9lNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T17:45:54.431636Z"},"content_sha256":"b3dc0b59a153c1f4cf592d18ae7ab8a44c00f708812d9c66fe0a24c18c7c1675","schema_version":"1.0","event_id":"sha256:b3dc0b59a153c1f4cf592d18ae7ab8a44c00f708812d9c66fe0a24c18c7c1675"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LDMJHLXXKXVIUDMZJ7HQUEA2VM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unifying autocatalytic and zeroth order branching models for growing actin networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","physics.bio-ph"],"primary_cat":"q-bio.SC","authors_text":"Julian Weichsel, Krzysztof Baczynski, U Heidelberg), Ulrich S. Schwarz (UC Berkeley","submitted_at":"2012-07-19T07:48:47Z","abstract_excerpt":"The directed polymerization of actin networks is an essential element of many biological processes, including cell migration. Different theoretical models considering the interplay between the underlying processes of polymerization, capping and branching have resulted in conflicting predictions. One of the main reasons for this discrepancy is the assumption of a branching reaction that is either first order (autocatalytic) or zeroth order in the number of existing filaments. Here we introduce a unifying framework from which the two established scenarios emerge as limiting cases for low and hig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4574","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":"2026-05-18T03:28:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"79kA5L0PkINRvqq3/oY7D/CXJXlTi4mKNkPjAdr2x9NCW9F+DC1vn18/FHs3RYkSbM7kt8rWfSRwr92Hmg14Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T17:45:54.431983Z"},"content_sha256":"6f27a4796c98245d8f036d117ddd7f7524d4722e9ee6bf1696d06a7d71de6842","schema_version":"1.0","event_id":"sha256:6f27a4796c98245d8f036d117ddd7f7524d4722e9ee6bf1696d06a7d71de6842"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM/bundle.json","state_url":"https://pith.science/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM/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":"2026-06-25T17:45:54Z","links":{"resolver":"https://pith.science/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM","bundle":"https://pith.science/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM/bundle.json","state":"https://pith.science/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDMJHLXXKXVIUDMZJ7HQUEA2VM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LDMJHLXXKXVIUDMZJ7HQUEA2VM","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":"430c1eec370b22ed0df6a9e3e8e70192635735898d6e5b3c5cafe93606f2dba3","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2012-07-19T07:48:47Z","title_canon_sha256":"395db0e4a11565b2163259e69764990f212160f6219d03abe1e61852449b5eb9"},"schema_version":"1.0","source":{"id":"1207.4574","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4574","created_at":"2026-05-18T03:28:05Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4574v2","created_at":"2026-05-18T03:28:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4574","created_at":"2026-05-18T03:28:05Z"},{"alias_kind":"pith_short_12","alias_value":"LDMJHLXXKXVI","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LDMJHLXXKXVIUDMZ","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LDMJHLXX","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:6f27a4796c98245d8f036d117ddd7f7524d4722e9ee6bf1696d06a7d71de6842","target":"graph","created_at":"2026-05-18T03:28:05Z","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":"The directed polymerization of actin networks is an essential element of many biological processes, including cell migration. Different theoretical models considering the interplay between the underlying processes of polymerization, capping and branching have resulted in conflicting predictions. One of the main reasons for this discrepancy is the assumption of a branching reaction that is either first order (autocatalytic) or zeroth order in the number of existing filaments. Here we introduce a unifying framework from which the two established scenarios emerge as limiting cases for low and hig","authors_text":"Julian Weichsel, Krzysztof Baczynski, U Heidelberg), Ulrich S. Schwarz (UC Berkeley","cross_cats":["cond-mat.soft","physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2012-07-19T07:48:47Z","title":"Unifying autocatalytic and zeroth order branching models for growing actin networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4574","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:b3dc0b59a153c1f4cf592d18ae7ab8a44c00f708812d9c66fe0a24c18c7c1675","target":"record","created_at":"2026-05-18T03:28:05Z","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":"430c1eec370b22ed0df6a9e3e8e70192635735898d6e5b3c5cafe93606f2dba3","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2012-07-19T07:48:47Z","title_canon_sha256":"395db0e4a11565b2163259e69764990f212160f6219d03abe1e61852449b5eb9"},"schema_version":"1.0","source":{"id":"1207.4574","kind":"arxiv","version":2}},"canonical_sha256":"58d893aef755ea8a0d994fcf0a101aab34b4a0693d6ceeec3107302175a2de29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58d893aef755ea8a0d994fcf0a101aab34b4a0693d6ceeec3107302175a2de29","first_computed_at":"2026-05-18T03:28:05.918265Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:28:05.918265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f586TjwiFQKUGeFTXfxYCNdRnlSUKnM3QNFdsUGK6VIdB3uqiCzrUF3UeajOkLe4NdsWLPucPKuMPYuGTeanDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:28:05.918850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.4574","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3dc0b59a153c1f4cf592d18ae7ab8a44c00f708812d9c66fe0a24c18c7c1675","sha256:6f27a4796c98245d8f036d117ddd7f7524d4722e9ee6bf1696d06a7d71de6842"],"state_sha256":"b75da5579449c1abdc257ed6cf76d2fb039fdd7e04302ccf1bff15382ecd28f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"crk8JgE6BTFfEFANBGi7Nq5dmfkomxLI2adcAWCEo2eo8z6KIajcrqwnL2bHlK8IUnFEWNjpM3wWXzRdjd7iAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T17:45:54.434371Z","bundle_sha256":"231e6038910d12d89411a2a27f3911fbc0c2e88adb9697af7c81be24cfacaa48"}}