{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:KTYRRK7FOQRSO3ZVHIFVH7JCKZ","short_pith_number":"pith:KTYRRK7F","canonical_record":{"source":{"id":"1902.00875","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-02-03T10:45:39Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"6347ddd91c17b7cedfa471a8443cec907cc4eed8889108eb583831e450c99739","abstract_canon_sha256":"75601440f86522eb78c44e139b1a750fa2d0788ddb14baa81300d9d2f2069871"},"schema_version":"1.0"},"canonical_sha256":"54f118abe57423276f353a0b53fd22565f9930bf0e5d42c1f95b9ad94d816ee6","source":{"kind":"arxiv","id":"1902.00875","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00875","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00875v5","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00875","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"pith_short_12","alias_value":"KTYRRK7FOQRS","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"pith_short_16","alias_value":"KTYRRK7FOQRSO3ZV","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"pith_short_8","alias_value":"KTYRRK7F","created_at":"2026-07-05T04:54:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:KTYRRK7FOQRSO3ZVHIFVH7JCKZ","target":"record","payload":{"canonical_record":{"source":{"id":"1902.00875","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-02-03T10:45:39Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"6347ddd91c17b7cedfa471a8443cec907cc4eed8889108eb583831e450c99739","abstract_canon_sha256":"75601440f86522eb78c44e139b1a750fa2d0788ddb14baa81300d9d2f2069871"},"schema_version":"1.0"},"canonical_sha256":"54f118abe57423276f353a0b53fd22565f9930bf0e5d42c1f95b9ad94d816ee6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:54:11.085812Z","signature_b64":"BM5Zf4yq31hjvJE5qEHPnIAxx4GB6hm754M4Vy2WTf5xLyNlPTgeuXh2tqcITvFbbRODLKzhVWdso4Kr2dEhBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54f118abe57423276f353a0b53fd22565f9930bf0e5d42c1f95b9ad94d816ee6","last_reissued_at":"2026-07-05T04:54:11.085378Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:54:11.085378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.00875","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:54:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ll2aGxMdhoebxDs/7X6ySl9Vem7pHeyzMy/aDXNzo5EGjIWZUgPRPuNkcEAAwQGDX/S+1Q0H37P6uGeO6uFRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T14:53:25.995650Z"},"content_sha256":"b42604874ee7c1abeb376113f84ceba7e3a3669b0ed7fa3d1fba3f4afecfd511","schema_version":"1.0","event_id":"sha256:b42604874ee7c1abeb376113f84ceba7e3a3669b0ed7fa3d1fba3f4afecfd511"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:KTYRRK7FOQRSO3ZVHIFVH7JCKZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automated identification and characterization method of turbulent bursting from single-point records of the velocity field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Dan Liberzon, Roni Hilel Goldshmid","submitted_at":"2019-02-03T10:45:39Z","abstract_excerpt":"A new automated method capable of accurately identifying bursting periods in single-point turbulent velocity field records is presented. Manual selection of the method sensitivity (tau*) and threshold (eT) are necessary for effective discrimination between burst periods and the background turbulent flow fluctuations (burst-free periods). The flow characteristic used for identification is the normalized 'instantaneous' TKE dissipation rate levels, calculated using sliding window averaging. Use of the record root mean square and average values for normalization eliminates the need for definition"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00875","kind":"arxiv","version":5},"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/1902.00875/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":"2026-07-05T04:54:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lNLQD0tbcQ/XssHVJbIcIgoKke1mzJwledTR0UxE2JkO7wa05xoH90bpIwJ87WggeyJfxG6fT/Wh7L/ryEUgAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T14:53:25.996030Z"},"content_sha256":"6d459bbfef86f6f2fd4f4c930bc93abd8e46a097a80c794c2717507e01d2efcd","schema_version":"1.0","event_id":"sha256:6d459bbfef86f6f2fd4f4c930bc93abd8e46a097a80c794c2717507e01d2efcd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ/bundle.json","state_url":"https://pith.science/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ/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":"2026-07-16T14:53:25Z","links":{"resolver":"https://pith.science/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ","bundle":"https://pith.science/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ/bundle.json","state":"https://pith.science/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KTYRRK7FOQRSO3ZVHIFVH7JCKZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KTYRRK7FOQRSO3ZVHIFVH7JCKZ","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":"75601440f86522eb78c44e139b1a750fa2d0788ddb14baa81300d9d2f2069871","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-02-03T10:45:39Z","title_canon_sha256":"6347ddd91c17b7cedfa471a8443cec907cc4eed8889108eb583831e450c99739"},"schema_version":"1.0","source":{"id":"1902.00875","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00875","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00875v5","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00875","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"pith_short_12","alias_value":"KTYRRK7FOQRS","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"pith_short_16","alias_value":"KTYRRK7FOQRSO3ZV","created_at":"2026-07-05T04:54:11Z"},{"alias_kind":"pith_short_8","alias_value":"KTYRRK7F","created_at":"2026-07-05T04:54:11Z"}],"graph_snapshots":[{"event_id":"sha256:6d459bbfef86f6f2fd4f4c930bc93abd8e46a097a80c794c2717507e01d2efcd","target":"graph","created_at":"2026-07-05T04:54:11Z","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/1902.00875/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A new automated method capable of accurately identifying bursting periods in single-point turbulent velocity field records is presented. Manual selection of the method sensitivity (tau*) and threshold (eT) are necessary for effective discrimination between burst periods and the background turbulent flow fluctuations (burst-free periods). The flow characteristic used for identification is the normalized 'instantaneous' TKE dissipation rate levels, calculated using sliding window averaging. Use of the record root mean square and average values for normalization eliminates the need for definition","authors_text":"Dan Liberzon, Roni Hilel Goldshmid","cross_cats":["physics.ao-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-02-03T10:45:39Z","title":"Automated identification and characterization method of turbulent bursting from single-point records of the velocity field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00875","kind":"arxiv","version":5},"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:b42604874ee7c1abeb376113f84ceba7e3a3669b0ed7fa3d1fba3f4afecfd511","target":"record","created_at":"2026-07-05T04:54:11Z","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":"75601440f86522eb78c44e139b1a750fa2d0788ddb14baa81300d9d2f2069871","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-02-03T10:45:39Z","title_canon_sha256":"6347ddd91c17b7cedfa471a8443cec907cc4eed8889108eb583831e450c99739"},"schema_version":"1.0","source":{"id":"1902.00875","kind":"arxiv","version":5}},"canonical_sha256":"54f118abe57423276f353a0b53fd22565f9930bf0e5d42c1f95b9ad94d816ee6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54f118abe57423276f353a0b53fd22565f9930bf0e5d42c1f95b9ad94d816ee6","first_computed_at":"2026-07-05T04:54:11.085378Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:54:11.085378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BM5Zf4yq31hjvJE5qEHPnIAxx4GB6hm754M4Vy2WTf5xLyNlPTgeuXh2tqcITvFbbRODLKzhVWdso4Kr2dEhBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:54:11.085812Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.00875","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b42604874ee7c1abeb376113f84ceba7e3a3669b0ed7fa3d1fba3f4afecfd511","sha256:6d459bbfef86f6f2fd4f4c930bc93abd8e46a097a80c794c2717507e01d2efcd"],"state_sha256":"81b55b1a822d431264f4e9c8987132c69a1f99337128e09e9b14f43c6d1152d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eRNTAJ+oHET5/VsfjqVV/fwy8BDgtVQXRdYSywIQsaHnl8GUnDDezhYevwLE+Kn1o0asD+ur/A8fKeEECvXsDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T14:53:25.998555Z","bundle_sha256":"861a79ef84b2f626fa8c2e20c62b896cf0bde92209c9df17437dd78f553b90be"}}