{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2APDKY7V57KRVV3JGXF5VMBF6I","short_pith_number":"pith:2APDKY7V","canonical_record":{"source":{"id":"2110.10115","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-10-19T17:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"fe69bb45fed820d7d6bdcc3237b7a9ab4bdf43ed94f2bf60b9cefc00dee52a0b","abstract_canon_sha256":"0ca48d605cc31d838da3c775bcab659f09ad1a715893216f38b6e31da2e58a6d"},"schema_version":"1.0"},"canonical_sha256":"d01e3563f5efd51ad76935cbdab025f2028982220a276fc74251077555b39d51","source":{"kind":"arxiv","id":"2110.10115","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.10115","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"arxiv_version","alias_value":"2110.10115v1","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.10115","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"pith_short_12","alias_value":"2APDKY7V57KR","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"pith_short_16","alias_value":"2APDKY7V57KRVV3J","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"pith_short_8","alias_value":"2APDKY7V","created_at":"2026-07-05T04:48:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2APDKY7V57KRVV3JGXF5VMBF6I","target":"record","payload":{"canonical_record":{"source":{"id":"2110.10115","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-10-19T17:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"fe69bb45fed820d7d6bdcc3237b7a9ab4bdf43ed94f2bf60b9cefc00dee52a0b","abstract_canon_sha256":"0ca48d605cc31d838da3c775bcab659f09ad1a715893216f38b6e31da2e58a6d"},"schema_version":"1.0"},"canonical_sha256":"d01e3563f5efd51ad76935cbdab025f2028982220a276fc74251077555b39d51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:48:37.101219Z","signature_b64":"lWnENzaKlIZicX24k/GL4htZF26VIIjHgEWKwTbaueutD/f8cUtTVPR6QuOQe9VK9NTv1t4PXdAww/YPq0mRAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d01e3563f5efd51ad76935cbdab025f2028982220a276fc74251077555b39d51","last_reissued_at":"2026-07-05T04:48:37.100813Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:48:37.100813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.10115","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":"2026-07-05T04:48:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t8FcCaA1c+sq10apwm4xazp3jVXh5ZSKL6+cc3FiYWKVMNutYl1xSZvR7a1xwNxwfAtn5dMZGgCYL98rjvyfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T10:53:56.593198Z"},"content_sha256":"4de453b5107ca9cb4fc5bc7517522ef8f1ee4a09006a0d999002c9169b50ae07","schema_version":"1.0","event_id":"sha256:4de453b5107ca9cb4fc5bc7517522ef8f1ee4a09006a0d999002c9169b50ae07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2APDKY7V57KRVV3JGXF5VMBF6I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of scale-dependent kinetic and potential energy in sheared, stably stratified turbulence","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Andrew D. Bragg, Gavin Portwood, Rohit Dhariwal, Stephen M. de Bruyn Kops, XiaoLong Zhang","submitted_at":"2021-10-19T17:12:03Z","abstract_excerpt":"Budgets of turbulent kinetic energy (TKE) and turbulent potential energy (TPE) at different scales $\\ell$ in sheared, stably stratified turbulence are analyzed using a filtering approach. Competing effects in the flow are considered, along with the physical mechanisms governing the energy fluxes between scales, and the budgets are used to analyze data from direct numerical simulation (DNS) at buoyancy Reynolds number $Re_b=O(100)$. The mean TKE exceeds TPE by an order of magnitude at the large scales, with the difference reducing as $\\ell$ is decreased. At larger scales, buoyancy is never obse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.10115","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2110.10115/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":"2026-07-05T04:48:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QuBEojROEK5dephzQby0QUXhnLK4RNNjmol6bNOz4bgHdQHz4B0mZsmh4oalcYa+edl0j/QFAQPj4jKGnhboAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T10:53:56.594060Z"},"content_sha256":"6e65d38b253101f15b35dec887e425a7cf9ca141b2c8e8a404bc3de6b46a5265","schema_version":"1.0","event_id":"sha256:6e65d38b253101f15b35dec887e425a7cf9ca141b2c8e8a404bc3de6b46a5265"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2APDKY7V57KRVV3JGXF5VMBF6I/bundle.json","state_url":"https://pith.science/pith/2APDKY7V57KRVV3JGXF5VMBF6I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2APDKY7V57KRVV3JGXF5VMBF6I/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":"2026-08-01T10:53:56Z","links":{"resolver":"https://pith.science/pith/2APDKY7V57KRVV3JGXF5VMBF6I","bundle":"https://pith.science/pith/2APDKY7V57KRVV3JGXF5VMBF6I/bundle.json","state":"https://pith.science/pith/2APDKY7V57KRVV3JGXF5VMBF6I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2APDKY7V57KRVV3JGXF5VMBF6I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2APDKY7V57KRVV3JGXF5VMBF6I","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":"0ca48d605cc31d838da3c775bcab659f09ad1a715893216f38b6e31da2e58a6d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-10-19T17:12:03Z","title_canon_sha256":"fe69bb45fed820d7d6bdcc3237b7a9ab4bdf43ed94f2bf60b9cefc00dee52a0b"},"schema_version":"1.0","source":{"id":"2110.10115","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.10115","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"arxiv_version","alias_value":"2110.10115v1","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.10115","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"pith_short_12","alias_value":"2APDKY7V57KR","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"pith_short_16","alias_value":"2APDKY7V57KRVV3J","created_at":"2026-07-05T04:48:37Z"},{"alias_kind":"pith_short_8","alias_value":"2APDKY7V","created_at":"2026-07-05T04:48:37Z"}],"graph_snapshots":[{"event_id":"sha256:6e65d38b253101f15b35dec887e425a7cf9ca141b2c8e8a404bc3de6b46a5265","target":"graph","created_at":"2026-07-05T04:48:37Z","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/2110.10115/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Budgets of turbulent kinetic energy (TKE) and turbulent potential energy (TPE) at different scales $\\ell$ in sheared, stably stratified turbulence are analyzed using a filtering approach. Competing effects in the flow are considered, along with the physical mechanisms governing the energy fluxes between scales, and the budgets are used to analyze data from direct numerical simulation (DNS) at buoyancy Reynolds number $Re_b=O(100)$. The mean TKE exceeds TPE by an order of magnitude at the large scales, with the difference reducing as $\\ell$ is decreased. At larger scales, buoyancy is never obse","authors_text":"Andrew D. Bragg, Gavin Portwood, Rohit Dhariwal, Stephen M. de Bruyn Kops, XiaoLong Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-10-19T17:12:03Z","title":"Analysis of scale-dependent kinetic and potential energy in sheared, stably stratified turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.10115","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":"sha256:4de453b5107ca9cb4fc5bc7517522ef8f1ee4a09006a0d999002c9169b50ae07","target":"record","created_at":"2026-07-05T04:48:37Z","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":"0ca48d605cc31d838da3c775bcab659f09ad1a715893216f38b6e31da2e58a6d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-10-19T17:12:03Z","title_canon_sha256":"fe69bb45fed820d7d6bdcc3237b7a9ab4bdf43ed94f2bf60b9cefc00dee52a0b"},"schema_version":"1.0","source":{"id":"2110.10115","kind":"arxiv","version":1}},"canonical_sha256":"d01e3563f5efd51ad76935cbdab025f2028982220a276fc74251077555b39d51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d01e3563f5efd51ad76935cbdab025f2028982220a276fc74251077555b39d51","first_computed_at":"2026-07-05T04:48:37.100813Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:48:37.100813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lWnENzaKlIZicX24k/GL4htZF26VIIjHgEWKwTbaueutD/f8cUtTVPR6QuOQe9VK9NTv1t4PXdAww/YPq0mRAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:48:37.101219Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.10115","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4de453b5107ca9cb4fc5bc7517522ef8f1ee4a09006a0d999002c9169b50ae07","sha256:6e65d38b253101f15b35dec887e425a7cf9ca141b2c8e8a404bc3de6b46a5265"],"state_sha256":"6deba4fa12948e3f92dd007bac9a0c24f760291e135592db4ae7e03f67f193f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HzhdB42TLXafJeMWk+QK2iG7Y8Zuwfugv+Ik5EbYKcgYlMrmD7uxSMEumfXhxUg79jPT6/3dtG8LuZoNZSfhAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T10:53:56.599634Z","bundle_sha256":"326e6844f4134adeaf038b95ad41c6ad53ccf130c62aeb8b13bca09b4eaeb73d"}}