{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:MXBQJ5R4VARGSHHTHBH6Q6GYVC","short_pith_number":"pith:MXBQJ5R4","canonical_record":{"source":{"id":"2309.06226","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2023-09-12T13:43:58Z","cross_cats_sorted":["cond-mat.soft","q-bio.SC"],"title_canon_sha256":"0eb1ac889a39729d3f5598568e50a163b288bc8ed96dee6a09aafbe8967ee59a","abstract_canon_sha256":"705ba6db515465d7927f28913a4aacb0d99f9777082facd221bb272c06e04e75"},"schema_version":"1.0"},"canonical_sha256":"65c304f63ca822691cf3384fe878d8a88e5ed11e8d7829e8b8ace63bed770703","source":{"kind":"arxiv","id":"2309.06226","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06226","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06226v2","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06226","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"pith_short_12","alias_value":"MXBQJ5R4VARG","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"MXBQJ5R4VARGSHHT","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"MXBQJ5R4","created_at":"2026-07-05T09:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:MXBQJ5R4VARGSHHTHBH6Q6GYVC","target":"record","payload":{"canonical_record":{"source":{"id":"2309.06226","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2023-09-12T13:43:58Z","cross_cats_sorted":["cond-mat.soft","q-bio.SC"],"title_canon_sha256":"0eb1ac889a39729d3f5598568e50a163b288bc8ed96dee6a09aafbe8967ee59a","abstract_canon_sha256":"705ba6db515465d7927f28913a4aacb0d99f9777082facd221bb272c06e04e75"},"schema_version":"1.0"},"canonical_sha256":"65c304f63ca822691cf3384fe878d8a88e5ed11e8d7829e8b8ace63bed770703","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:32:31.048412Z","signature_b64":"h/jQiiTDzIKyiFvoDr+LtmcSQkLuTYmfDyQQ7vJGyosvKpMUi6mAWvYW3nutzcn95ep2SxwCMkltObyboRfWAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65c304f63ca822691cf3384fe878d8a88e5ed11e8d7829e8b8ace63bed770703","last_reissued_at":"2026-07-05T09:32:31.047608Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:32:31.047608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.06226","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":"2026-07-05T09:32:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lMEjO2BZyq4afN0PlGD3fGOE015INdpIDAPWJNP7hLGIq1IZGl1lV8Z8dUxUNs6iEX3BE8yoFt446zKt5ahRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:08:42.323456Z"},"content_sha256":"e4e5b52f6e171799874c01656c85271fa6612e2a8d22b54a7d2c0d8d89f13e9e","schema_version":"1.0","event_id":"sha256:e4e5b52f6e171799874c01656c85271fa6612e2a8d22b54a7d2c0d8d89f13e9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:MXBQJ5R4VARGSHHTHBH6Q6GYVC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"L\\'evy distributed fluctuations in the living cell cortex","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.soft","q-bio.SC"],"primary_cat":"physics.bio-ph","authors_text":"Christopher L. Porter, Clary Rodr\\'iguez-Cruz, Daniel H. Reich, Geran M. Kostecki, John C. Crocker, Katherine M. Xiang, Leslie Tung, Shankar Sivarajan, Yu Shi","submitted_at":"2023-09-12T13:43:58Z","abstract_excerpt":"The actomyosin cortex is an active material that provides animal cells with a strong but flexible exterior, whose mechanics, including non-Gaussian fluctuations and occasional large displacements or cytoquakes, have defied explanation. We study the active fluctuations of the cortex using nanoscale tracking of arrays of flexible microposts adhered to multiple cultured cell types. When the confounding effects of static heterogeneity and tracking error are removed, the fluctuations are found to be heavy-tailed and well-described by a truncated L\\'evy alpha-stable distribution over a wide range of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06226","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.06226/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:32:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CNSjHZyjDkwdDrnRRA98XwwK90aT44OKe/QsbP/Oc4SnPuptyiYpYwTEdd82RyikHbGRy7WzD34i7bQFyFzMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:08:42.323964Z"},"content_sha256":"d2a957ab61adbc3a31deeac8a6196bda6e622176c1d6c76133991e5584aa2659","schema_version":"1.0","event_id":"sha256:d2a957ab61adbc3a31deeac8a6196bda6e622176c1d6c76133991e5584aa2659"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC/bundle.json","state_url":"https://pith.science/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC/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":"2026-08-04T22:08:42Z","links":{"resolver":"https://pith.science/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC","bundle":"https://pith.science/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC/bundle.json","state":"https://pith.science/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MXBQJ5R4VARGSHHTHBH6Q6GYVC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:MXBQJ5R4VARGSHHTHBH6Q6GYVC","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":"705ba6db515465d7927f28913a4aacb0d99f9777082facd221bb272c06e04e75","cross_cats_sorted":["cond-mat.soft","q-bio.SC"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2023-09-12T13:43:58Z","title_canon_sha256":"0eb1ac889a39729d3f5598568e50a163b288bc8ed96dee6a09aafbe8967ee59a"},"schema_version":"1.0","source":{"id":"2309.06226","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06226","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06226v2","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06226","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"pith_short_12","alias_value":"MXBQJ5R4VARG","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"MXBQJ5R4VARGSHHT","created_at":"2026-07-05T09:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"MXBQJ5R4","created_at":"2026-07-05T09:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:d2a957ab61adbc3a31deeac8a6196bda6e622176c1d6c76133991e5584aa2659","target":"graph","created_at":"2026-07-05T09:32:31Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.06226/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The actomyosin cortex is an active material that provides animal cells with a strong but flexible exterior, whose mechanics, including non-Gaussian fluctuations and occasional large displacements or cytoquakes, have defied explanation. We study the active fluctuations of the cortex using nanoscale tracking of arrays of flexible microposts adhered to multiple cultured cell types. When the confounding effects of static heterogeneity and tracking error are removed, the fluctuations are found to be heavy-tailed and well-described by a truncated L\\'evy alpha-stable distribution over a wide range of","authors_text":"Christopher L. Porter, Clary Rodr\\'iguez-Cruz, Daniel H. Reich, Geran M. Kostecki, John C. Crocker, Katherine M. Xiang, Leslie Tung, Shankar Sivarajan, Yu Shi","cross_cats":["cond-mat.soft","q-bio.SC"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2023-09-12T13:43:58Z","title":"L\\'evy distributed fluctuations in the living cell cortex"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06226","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:e4e5b52f6e171799874c01656c85271fa6612e2a8d22b54a7d2c0d8d89f13e9e","target":"record","created_at":"2026-07-05T09:32:31Z","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":"705ba6db515465d7927f28913a4aacb0d99f9777082facd221bb272c06e04e75","cross_cats_sorted":["cond-mat.soft","q-bio.SC"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2023-09-12T13:43:58Z","title_canon_sha256":"0eb1ac889a39729d3f5598568e50a163b288bc8ed96dee6a09aafbe8967ee59a"},"schema_version":"1.0","source":{"id":"2309.06226","kind":"arxiv","version":2}},"canonical_sha256":"65c304f63ca822691cf3384fe878d8a88e5ed11e8d7829e8b8ace63bed770703","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65c304f63ca822691cf3384fe878d8a88e5ed11e8d7829e8b8ace63bed770703","first_computed_at":"2026-07-05T09:32:31.047608Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:32:31.047608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h/jQiiTDzIKyiFvoDr+LtmcSQkLuTYmfDyQQ7vJGyosvKpMUi6mAWvYW3nutzcn95ep2SxwCMkltObyboRfWAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:32:31.048412Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.06226","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4e5b52f6e171799874c01656c85271fa6612e2a8d22b54a7d2c0d8d89f13e9e","sha256:d2a957ab61adbc3a31deeac8a6196bda6e622176c1d6c76133991e5584aa2659"],"state_sha256":"2d71b85e3365cd0f8eaddf398068c3c3c21ad485c211adc833c28ef9ed13aa03"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uL9wqE+06PPbqws3iDMby1L74kTtPc0IVx6G6WAmTcA/pd7F5XkmXA1di7vyH9olJ6sPw7ZMtSF8Cmiy76umAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T22:08:42.328322Z","bundle_sha256":"e21d3f5ade1c1962b7439326cc5f57a4e975e87b5a6743aeab546394904bcdfd"}}