{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:COP43F3OUKOL2PZ43URDI3S4PN","short_pith_number":"pith:COP43F3O","canonical_record":{"source":{"id":"1908.10073","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-08-27T08:23:06Z","cross_cats_sorted":[],"title_canon_sha256":"3fd7c0ebb5a6b5aedb3c7c15d0c2861a74c19306492f81464fec9b4d495d5762","abstract_canon_sha256":"460fd3e12221551691fca8f90d236a80781404ea9f3ca5041094ab45ccc19851"},"schema_version":"1.0"},"canonical_sha256":"139fcd976ea29cbd3f3cdd22346e5c7b496540a392ed445650624445c2e7302f","source":{"kind":"arxiv","id":"1908.10073","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.10073","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"1908.10073v2","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.10073","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"COP43F3OUKOL","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"pith_short_16","alias_value":"COP43F3OUKOL2PZ4","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"pith_short_8","alias_value":"COP43F3O","created_at":"2026-07-05T02:07:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:COP43F3OUKOL2PZ43URDI3S4PN","target":"record","payload":{"canonical_record":{"source":{"id":"1908.10073","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-08-27T08:23:06Z","cross_cats_sorted":[],"title_canon_sha256":"3fd7c0ebb5a6b5aedb3c7c15d0c2861a74c19306492f81464fec9b4d495d5762","abstract_canon_sha256":"460fd3e12221551691fca8f90d236a80781404ea9f3ca5041094ab45ccc19851"},"schema_version":"1.0"},"canonical_sha256":"139fcd976ea29cbd3f3cdd22346e5c7b496540a392ed445650624445c2e7302f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:07:43.925351Z","signature_b64":"gihzkApJR7E7ey1AkVrs4tFjlMjpTImCJrPT0Ewt65nSADSHJi86BzSt3HfIfq9+1HhMoQmMv5u5rYQR/h1TBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"139fcd976ea29cbd3f3cdd22346e5c7b496540a392ed445650624445c2e7302f","last_reissued_at":"2026-07-05T02:07:43.924873Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:07:43.924873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.10073","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":"2026-07-05T02:07:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ykmEQOjyW58hQ5leKlDoH0EyoyKN2B0MIMiODBtCnGGwekc53J2PTSZc6AhhUrfFq4H9lFSaVtsesOZ47487DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T14:38:46.211056Z"},"content_sha256":"3b3904afa2681bbe3212fd99b14db95fdaac25ffadc574168316a72e93246efa","schema_version":"1.0","event_id":"sha256:3b3904afa2681bbe3212fd99b14db95fdaac25ffadc574168316a72e93246efa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:COP43F3OUKOL2PZ43URDI3S4PN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coherence of temperature and velocity superstructures in turbulent Rayleigh-B\\'enard flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Detlef Lohse, Dominik Krug, Richard J. A. M. Stevens","submitted_at":"2019-08-27T08:23:06Z","abstract_excerpt":"We investigate the interplay between large-scale patterns, so-called superstructures, in the fluctuation fields of temperature $\\theta$ and vertical velocity $w$ in turbulent Rayleigh-B\\'{e}nard convection at large aspect ratios. Earlier studies suggested that velocity superstructures were smaller than their thermal counterparts in the center of the domain. However, a scale-by-scale analysis of the correlation between the two fields employing the linear coherence spectrum reveals that superstructures of the same size exist in both fields, which are almost perfectly correlated. The issue is fur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.10073","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/1908.10073/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":"2026-07-05T02:07:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bBt8VGYc5VO05AqVsjECKh+MsrlmaW+ale3zVjwV3zV/00L2GS6L4GhAhTZdHqjUrDqHcGBIucn55/FjyKbuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T14:38:46.212035Z"},"content_sha256":"5d7a833e83d9f09e8228b9c2964a1376bf01e4e430f5c89d555c1c5acd34e216","schema_version":"1.0","event_id":"sha256:5d7a833e83d9f09e8228b9c2964a1376bf01e4e430f5c89d555c1c5acd34e216"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/COP43F3OUKOL2PZ43URDI3S4PN/bundle.json","state_url":"https://pith.science/pith/COP43F3OUKOL2PZ43URDI3S4PN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/COP43F3OUKOL2PZ43URDI3S4PN/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":"2026-08-06T14:38:46Z","links":{"resolver":"https://pith.science/pith/COP43F3OUKOL2PZ43URDI3S4PN","bundle":"https://pith.science/pith/COP43F3OUKOL2PZ43URDI3S4PN/bundle.json","state":"https://pith.science/pith/COP43F3OUKOL2PZ43URDI3S4PN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/COP43F3OUKOL2PZ43URDI3S4PN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:COP43F3OUKOL2PZ43URDI3S4PN","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":"460fd3e12221551691fca8f90d236a80781404ea9f3ca5041094ab45ccc19851","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-08-27T08:23:06Z","title_canon_sha256":"3fd7c0ebb5a6b5aedb3c7c15d0c2861a74c19306492f81464fec9b4d495d5762"},"schema_version":"1.0","source":{"id":"1908.10073","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.10073","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"1908.10073v2","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.10073","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"COP43F3OUKOL","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"pith_short_16","alias_value":"COP43F3OUKOL2PZ4","created_at":"2026-07-05T02:07:43Z"},{"alias_kind":"pith_short_8","alias_value":"COP43F3O","created_at":"2026-07-05T02:07:43Z"}],"graph_snapshots":[{"event_id":"sha256:5d7a833e83d9f09e8228b9c2964a1376bf01e4e430f5c89d555c1c5acd34e216","target":"graph","created_at":"2026-07-05T02:07:43Z","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/1908.10073/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the interplay between large-scale patterns, so-called superstructures, in the fluctuation fields of temperature $\\theta$ and vertical velocity $w$ in turbulent Rayleigh-B\\'{e}nard convection at large aspect ratios. Earlier studies suggested that velocity superstructures were smaller than their thermal counterparts in the center of the domain. However, a scale-by-scale analysis of the correlation between the two fields employing the linear coherence spectrum reveals that superstructures of the same size exist in both fields, which are almost perfectly correlated. The issue is fur","authors_text":"Detlef Lohse, Dominik Krug, Richard J. A. M. Stevens","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-08-27T08:23:06Z","title":"Coherence of temperature and velocity superstructures in turbulent Rayleigh-B\\'enard flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.10073","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":"sha256:3b3904afa2681bbe3212fd99b14db95fdaac25ffadc574168316a72e93246efa","target":"record","created_at":"2026-07-05T02:07:43Z","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":"460fd3e12221551691fca8f90d236a80781404ea9f3ca5041094ab45ccc19851","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-08-27T08:23:06Z","title_canon_sha256":"3fd7c0ebb5a6b5aedb3c7c15d0c2861a74c19306492f81464fec9b4d495d5762"},"schema_version":"1.0","source":{"id":"1908.10073","kind":"arxiv","version":2}},"canonical_sha256":"139fcd976ea29cbd3f3cdd22346e5c7b496540a392ed445650624445c2e7302f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"139fcd976ea29cbd3f3cdd22346e5c7b496540a392ed445650624445c2e7302f","first_computed_at":"2026-07-05T02:07:43.924873Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:07:43.924873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gihzkApJR7E7ey1AkVrs4tFjlMjpTImCJrPT0Ewt65nSADSHJi86BzSt3HfIfq9+1HhMoQmMv5u5rYQR/h1TBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:07:43.925351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.10073","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b3904afa2681bbe3212fd99b14db95fdaac25ffadc574168316a72e93246efa","sha256:5d7a833e83d9f09e8228b9c2964a1376bf01e4e430f5c89d555c1c5acd34e216"],"state_sha256":"d334e59bfc79d81244c7570f341cf948003c5beea42122f53b1eb701254728f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pph4/f4H+lupetOzr71ESrjPnKPb0348/Fes0X5maNsP2dWU8nWXHrVjAMCSMDQKEcSKleJ1RcO0b0wcJvkbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T14:38:46.216967Z","bundle_sha256":"00828f680dc5f432eb290957215a74f393a558e3d72f86e5ddf7f57537fdfa7a"}}