{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:55VB5PZYO2JKYZSW2JCE7C46OS","short_pith_number":"pith:55VB5PZY","schema_version":"1.0","canonical_sha256":"ef6a1ebf387692ac6656d2444f8b9e7482afe9f2b15784f9dfaa11f5c285a7c9","source":{"kind":"arxiv","id":"1205.4140","version":1},"attestation_state":"computed","paper":{"title":"Experimental investigation of pair dispersion with small initial separation in convective turbulent flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Ke-Qing Xia, Rui Ni","submitted_at":"2012-05-18T11:45:36Z","abstract_excerpt":"We report an experimental investigation of pair dispersions in turbulent thermal convection with initial separation r0 ranging from sub-Kolmogorov scale to scales in the inertial range. In the dissipative range of scales we observed for the first time in experiment the exponential growth of the separation between a pair of particles predicted by Batchelor and obtained a Batchelor constant 0.23\\pm0.07. For large r0, it is found that, for almost all time range, both the mean-square separation and distance neighbor function exhibit the forms predicted by Batchelor, whereas the two quantities agre"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1205.4140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-05-18T11:45:36Z","cross_cats_sorted":[],"title_canon_sha256":"120c42e8ca39f7063e9889122c68b45dfb2dd896fbca22985836f204459233e9","abstract_canon_sha256":"8440f3e828a4c45956638c3911a23073f6c64efa52dcef94ac3f38b264585f94"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:14.619223Z","signature_b64":"KXAeDA0MC2UnBPzkwId6/1FLU18dHrafF386OAG/oUPL5ZNYDVSr6cGrKwdJ5XMvdQLNLRPVJVI/1Wb5yeS7Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef6a1ebf387692ac6656d2444f8b9e7482afe9f2b15784f9dfaa11f5c285a7c9","last_reissued_at":"2026-05-18T03:08:14.618688Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:14.618688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental investigation of pair dispersion with small initial separation in convective turbulent flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Ke-Qing Xia, Rui Ni","submitted_at":"2012-05-18T11:45:36Z","abstract_excerpt":"We report an experimental investigation of pair dispersions in turbulent thermal convection with initial separation r0 ranging from sub-Kolmogorov scale to scales in the inertial range. In the dissipative range of scales we observed for the first time in experiment the exponential growth of the separation between a pair of particles predicted by Batchelor and obtained a Batchelor constant 0.23\\pm0.07. For large r0, it is found that, for almost all time range, both the mean-square separation and distance neighbor function exhibit the forms predicted by Batchelor, whereas the two quantities agre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4140","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1205.4140","created_at":"2026-05-18T03:08:14.618761+00:00"},{"alias_kind":"arxiv_version","alias_value":"1205.4140v1","created_at":"2026-05-18T03:08:14.618761+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4140","created_at":"2026-05-18T03:08:14.618761+00:00"},{"alias_kind":"pith_short_12","alias_value":"55VB5PZYO2JK","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_16","alias_value":"55VB5PZYO2JKYZSW","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_8","alias_value":"55VB5PZY","created_at":"2026-05-18T12:26:53.410803+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS","json":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS.json","graph_json":"https://pith.science/api/pith-number/55VB5PZYO2JKYZSW2JCE7C46OS/graph.json","events_json":"https://pith.science/api/pith-number/55VB5PZYO2JKYZSW2JCE7C46OS/events.json","paper":"https://pith.science/paper/55VB5PZY"},"agent_actions":{"view_html":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS","download_json":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS.json","view_paper":"https://pith.science/paper/55VB5PZY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1205.4140&json=true","fetch_graph":"https://pith.science/api/pith-number/55VB5PZYO2JKYZSW2JCE7C46OS/graph.json","fetch_events":"https://pith.science/api/pith-number/55VB5PZYO2JKYZSW2JCE7C46OS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS/action/storage_attestation","attest_author":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS/action/author_attestation","sign_citation":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS/action/citation_signature","submit_replication":"https://pith.science/pith/55VB5PZYO2JKYZSW2JCE7C46OS/action/replication_record"}},"created_at":"2026-05-18T03:08:14.618761+00:00","updated_at":"2026-05-18T03:08:14.618761+00:00"}