{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:X6XQW6PH5TE3FWGJZ5M7WOF7VF","short_pith_number":"pith:X6XQW6PH","canonical_record":{"source":{"id":"1705.03703","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-10T11:21:57Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"99b5a9410d452540b42cd46772f025346120863c8472a87c370cf6810193f36b","abstract_canon_sha256":"53a2e3be57192c353ea5ead492cac997108734191794d215e8f392abefd8e7fa"},"schema_version":"1.0"},"canonical_sha256":"bfaf0b79e7ecc9b2d8c9cf59fb38bfa968c51db2968227004ee71b6733d3034c","source":{"kind":"arxiv","id":"1705.03703","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03703","created_at":"2026-05-18T00:38:52Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03703v1","created_at":"2026-05-18T00:38:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03703","created_at":"2026-05-18T00:38:52Z"},{"alias_kind":"pith_short_12","alias_value":"X6XQW6PH5TE3","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"X6XQW6PH5TE3FWGJ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"X6XQW6PH","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:X6XQW6PH5TE3FWGJZ5M7WOF7VF","target":"record","payload":{"canonical_record":{"source":{"id":"1705.03703","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-10T11:21:57Z","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"title_canon_sha256":"99b5a9410d452540b42cd46772f025346120863c8472a87c370cf6810193f36b","abstract_canon_sha256":"53a2e3be57192c353ea5ead492cac997108734191794d215e8f392abefd8e7fa"},"schema_version":"1.0"},"canonical_sha256":"bfaf0b79e7ecc9b2d8c9cf59fb38bfa968c51db2968227004ee71b6733d3034c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:52.851963Z","signature_b64":"BS0bEYCIFRWRD2NEcCo7yPBYepuz0CTnorivWl5xWcrT3LsEq5H2BpMZsE/UGJleMf0UpyESK9udBDCKEs7yAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfaf0b79e7ecc9b2d8c9cf59fb38bfa968c51db2968227004ee71b6733d3034c","last_reissued_at":"2026-05-18T00:38:52.851532Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:52.851532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.03703","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":"2026-05-18T00:38:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SQuLHd77wwnn7lD4/vYvttg7wEFqz+Irnvtk6fzuGV57bDxTlyfQwjNygC/AlGkR9FNUtq8sIw2rIBqCtG7+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:01:30.858257Z"},"content_sha256":"4e6116b6944ac2e81d3ac61f02669f0497e901d58ab29479ff59b162c7f79b4f","schema_version":"1.0","event_id":"sha256:4e6116b6944ac2e81d3ac61f02669f0497e901d58ab29479ff59b162c7f79b4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:X6XQW6PH5TE3FWGJZ5M7WOF7VF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-scale statistics of turbulence motorized by active matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","physics.bio-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Amin Doostmohammadi, Javier Urzay, Julia M. Yeomans","submitted_at":"2017-05-10T11:21:57Z","abstract_excerpt":"A number of micro-scale biological flows are characterized by spatio-temporal chaos. These include dense suspensions of swimming bacteria, microtubule bundles driven by motor proteins, and dividing and migrating confluent layers of cells. A characteristic common to all of these systems is that they are laden with active matter, which transforms free energy in the fluid into kinetic energy. Because of collective effects, the active matter induces multi-scale flow motions that bear strong visual resemblance to turbulence. In this study, multi-scale statistical tools are employed to analyze direc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03703","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":"2026-05-18T00:38:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oBc8DdWQiLifED+V2hzzdSeA4o2+hmu5K0YXRM6a5V9xpcExkzgVQPRd0ds/uCqsOOfuVQ5vi0v+oYWFymKYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:01:30.858620Z"},"content_sha256":"ef2b7bc52e88aa0f76706dc9f9335417aa65791e4fe051e455eaf7bfbaf73c88","schema_version":"1.0","event_id":"sha256:ef2b7bc52e88aa0f76706dc9f9335417aa65791e4fe051e455eaf7bfbaf73c88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF/bundle.json","state_url":"https://pith.science/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF/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":"2026-06-02T07:01:30Z","links":{"resolver":"https://pith.science/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF","bundle":"https://pith.science/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF/bundle.json","state":"https://pith.science/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X6XQW6PH5TE3FWGJZ5M7WOF7VF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:X6XQW6PH5TE3FWGJZ5M7WOF7VF","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":"53a2e3be57192c353ea5ead492cac997108734191794d215e8f392abefd8e7fa","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-10T11:21:57Z","title_canon_sha256":"99b5a9410d452540b42cd46772f025346120863c8472a87c370cf6810193f36b"},"schema_version":"1.0","source":{"id":"1705.03703","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03703","created_at":"2026-05-18T00:38:52Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03703v1","created_at":"2026-05-18T00:38:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03703","created_at":"2026-05-18T00:38:52Z"},{"alias_kind":"pith_short_12","alias_value":"X6XQW6PH5TE3","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"X6XQW6PH5TE3FWGJ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"X6XQW6PH","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:ef2b7bc52e88aa0f76706dc9f9335417aa65791e4fe051e455eaf7bfbaf73c88","target":"graph","created_at":"2026-05-18T00:38:52Z","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":"A number of micro-scale biological flows are characterized by spatio-temporal chaos. These include dense suspensions of swimming bacteria, microtubule bundles driven by motor proteins, and dividing and migrating confluent layers of cells. A characteristic common to all of these systems is that they are laden with active matter, which transforms free energy in the fluid into kinetic energy. Because of collective effects, the active matter induces multi-scale flow motions that bear strong visual resemblance to turbulence. In this study, multi-scale statistical tools are employed to analyze direc","authors_text":"Amin Doostmohammadi, Javier Urzay, Julia M. Yeomans","cross_cats":["cond-mat.soft","physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-10T11:21:57Z","title":"Multi-scale statistics of turbulence motorized by active matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03703","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":"sha256:4e6116b6944ac2e81d3ac61f02669f0497e901d58ab29479ff59b162c7f79b4f","target":"record","created_at":"2026-05-18T00:38:52Z","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":"53a2e3be57192c353ea5ead492cac997108734191794d215e8f392abefd8e7fa","cross_cats_sorted":["cond-mat.soft","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-10T11:21:57Z","title_canon_sha256":"99b5a9410d452540b42cd46772f025346120863c8472a87c370cf6810193f36b"},"schema_version":"1.0","source":{"id":"1705.03703","kind":"arxiv","version":1}},"canonical_sha256":"bfaf0b79e7ecc9b2d8c9cf59fb38bfa968c51db2968227004ee71b6733d3034c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfaf0b79e7ecc9b2d8c9cf59fb38bfa968c51db2968227004ee71b6733d3034c","first_computed_at":"2026-05-18T00:38:52.851532Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:52.851532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BS0bEYCIFRWRD2NEcCo7yPBYepuz0CTnorivWl5xWcrT3LsEq5H2BpMZsE/UGJleMf0UpyESK9udBDCKEs7yAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:52.851963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03703","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e6116b6944ac2e81d3ac61f02669f0497e901d58ab29479ff59b162c7f79b4f","sha256:ef2b7bc52e88aa0f76706dc9f9335417aa65791e4fe051e455eaf7bfbaf73c88"],"state_sha256":"dc32e1d7197eedcc02cef9508cb7be3f3fc3506bfea38104fb76ae49119927b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kQtoxnFqqLANWGsX9++pSow382ypaTvzBBHbSwnFsl6rAHHINKNAcrFOxG/NYDEeHES17uwr5rub9TpiwXgZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:01:30.860501Z","bundle_sha256":"93bb5e74bcd1789c6af1496b4b12ba006fe5bd138e6b835dc5e44ead188d780b"}}