{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DBABXOS43WFOOKJ6YSK3U6FLJ7","short_pith_number":"pith:DBABXOS4","canonical_record":{"source":{"id":"1805.10849","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-05-28T10:08:37Z","cross_cats_sorted":["astro-ph.SR","physics.ao-ph","physics.geo-ph"],"title_canon_sha256":"bcaff1c18acb1d8f66a439f26b7de2b366367bad9c99ca1cc3561a3d1980e105","abstract_canon_sha256":"4775535631fe65561b103c946c9fa80ac522bde3bdedc0cff7f48f4f7eff281c"},"schema_version":"1.0"},"canonical_sha256":"18401bba5cdd8ae7293ec495ba78ab4fec23d118ac0c6cfe5c2551294ddbc6cd","source":{"kind":"arxiv","id":"1805.10849","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.10849","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1805.10849v2","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.10849","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"DBABXOS43WFO","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DBABXOS43WFOOKJ6","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DBABXOS4","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DBABXOS43WFOOKJ6YSK3U6FLJ7","target":"record","payload":{"canonical_record":{"source":{"id":"1805.10849","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-05-28T10:08:37Z","cross_cats_sorted":["astro-ph.SR","physics.ao-ph","physics.geo-ph"],"title_canon_sha256":"bcaff1c18acb1d8f66a439f26b7de2b366367bad9c99ca1cc3561a3d1980e105","abstract_canon_sha256":"4775535631fe65561b103c946c9fa80ac522bde3bdedc0cff7f48f4f7eff281c"},"schema_version":"1.0"},"canonical_sha256":"18401bba5cdd8ae7293ec495ba78ab4fec23d118ac0c6cfe5c2551294ddbc6cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:41.310764Z","signature_b64":"youdjcRSy5C6A6FK9eSkd2Uen0xwE9Ch2lJU12YV5k/IAfwum18voAjvHcKJgDIHsblU+DMEBL0LTL3UX+PEDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18401bba5cdd8ae7293ec495ba78ab4fec23d118ac0c6cfe5c2551294ddbc6cd","last_reissued_at":"2026-05-17T23:58:41.310269Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:41.310269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.10849","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":"2026-05-17T23:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lwSd/v4N+3mPOD41ZA7ViExiOliQ+V2AR/8h17xpSz7dnY+g1fXRK4NQc6O5HP1MdNcIwyLKI3KegOnY6cFPAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:34:19.663482Z"},"content_sha256":"050788240e06c9f571b6737019dc7c4e6114840da568a87557da0675410a4a13","schema_version":"1.0","event_id":"sha256:050788240e06c9f571b6737019dc7c4e6114840da568a87557da0675410a4a13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DBABXOS43WFOOKJ6YSK3U6FLJ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy transport due to pressure diffusion enhanced by helicity and system rotation in inhomogeneous turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.ao-ph","physics.geo-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Fujihiro Hamba, Kazuhiro Inagaki","submitted_at":"2018-05-28T10:08:37Z","abstract_excerpt":"It is known that turbulent energy is rapidly transferred in the direction of the rotation axis in a rotating system, in comparison with the non-rotating case. In this study, this phenomenon is investigated as a problem of energy diffusion expressed by the Reynolds averaged Navier-Stokes (RANS) model. The conventional gradient-diffusion approximation for the turbulent energy flux cannot account for the enhanced energy transport observed in rotating inhomogeneous turbulence. In order to adequately describe the phenomenon, we propose a new model for the energy flux due to the pressure associated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.10849","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":"2026-05-17T23:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nAaAercg8tzai2E7i8SGgBxJHX/u4ZGN+39QFpO1iF4mUIfUzhiaHsrqKT1Io1JIQMhLnhe1ha5hPmklLTUjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:34:19.664219Z"},"content_sha256":"7730918a40c4e40a9fc1974b5c07852cfba66aeb18a938f48e85628d71f0c8f9","schema_version":"1.0","event_id":"sha256:7730918a40c4e40a9fc1974b5c07852cfba66aeb18a938f48e85628d71f0c8f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7/bundle.json","state_url":"https://pith.science/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7/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":"2026-06-10T23:34:19Z","links":{"resolver":"https://pith.science/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7","bundle":"https://pith.science/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7/bundle.json","state":"https://pith.science/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DBABXOS43WFOOKJ6YSK3U6FLJ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DBABXOS43WFOOKJ6YSK3U6FLJ7","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":"4775535631fe65561b103c946c9fa80ac522bde3bdedc0cff7f48f4f7eff281c","cross_cats_sorted":["astro-ph.SR","physics.ao-ph","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-05-28T10:08:37Z","title_canon_sha256":"bcaff1c18acb1d8f66a439f26b7de2b366367bad9c99ca1cc3561a3d1980e105"},"schema_version":"1.0","source":{"id":"1805.10849","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.10849","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1805.10849v2","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.10849","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"DBABXOS43WFO","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DBABXOS43WFOOKJ6","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DBABXOS4","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:7730918a40c4e40a9fc1974b5c07852cfba66aeb18a938f48e85628d71f0c8f9","target":"graph","created_at":"2026-05-17T23:58:41Z","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":"It is known that turbulent energy is rapidly transferred in the direction of the rotation axis in a rotating system, in comparison with the non-rotating case. In this study, this phenomenon is investigated as a problem of energy diffusion expressed by the Reynolds averaged Navier-Stokes (RANS) model. The conventional gradient-diffusion approximation for the turbulent energy flux cannot account for the enhanced energy transport observed in rotating inhomogeneous turbulence. In order to adequately describe the phenomenon, we propose a new model for the energy flux due to the pressure associated ","authors_text":"Fujihiro Hamba, Kazuhiro Inagaki","cross_cats":["astro-ph.SR","physics.ao-ph","physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-05-28T10:08:37Z","title":"Energy transport due to pressure diffusion enhanced by helicity and system rotation in inhomogeneous turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.10849","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":"sha256:050788240e06c9f571b6737019dc7c4e6114840da568a87557da0675410a4a13","target":"record","created_at":"2026-05-17T23:58:41Z","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":"4775535631fe65561b103c946c9fa80ac522bde3bdedc0cff7f48f4f7eff281c","cross_cats_sorted":["astro-ph.SR","physics.ao-ph","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-05-28T10:08:37Z","title_canon_sha256":"bcaff1c18acb1d8f66a439f26b7de2b366367bad9c99ca1cc3561a3d1980e105"},"schema_version":"1.0","source":{"id":"1805.10849","kind":"arxiv","version":2}},"canonical_sha256":"18401bba5cdd8ae7293ec495ba78ab4fec23d118ac0c6cfe5c2551294ddbc6cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18401bba5cdd8ae7293ec495ba78ab4fec23d118ac0c6cfe5c2551294ddbc6cd","first_computed_at":"2026-05-17T23:58:41.310269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:41.310269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"youdjcRSy5C6A6FK9eSkd2Uen0xwE9Ch2lJU12YV5k/IAfwum18voAjvHcKJgDIHsblU+DMEBL0LTL3UX+PEDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:41.310764Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.10849","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:050788240e06c9f571b6737019dc7c4e6114840da568a87557da0675410a4a13","sha256:7730918a40c4e40a9fc1974b5c07852cfba66aeb18a938f48e85628d71f0c8f9"],"state_sha256":"0184dbac15e636afbc1ac63c8f752cc687e42b8e79f3aa33fa4ded7890c0947b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v4j8OeazlRYYARVCR+pXlXQ7QHP7OFPEqUAPiEACfonUjJ2YUij/2BGY6qAuPuYCn+7Rns4librQiMWKvHLgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T23:34:19.668846Z","bundle_sha256":"dfce91962fc953c89c3e93858feedb1f2e0e05226803b1e9e9f7e31dd4023cf8"}}