{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:MJJIPJ322WVTFKRSWRXSAAILKQ","short_pith_number":"pith:MJJIPJ32","schema_version":"1.0","canonical_sha256":"625287a77ad5ab32aa32b46f20010b540aa9cdb9194782e9bd6f32c1d259c599","source":{"kind":"arxiv","id":"physics/0508215","version":4},"attestation_state":"computed","paper":{"title":"The hydraulic jump as a white hole","license":"","headline":"","cross_cats":["cond-mat.soft","gr-qc","hep-ph","physics.gen-ph"],"primary_cat":"physics.flu-dyn","authors_text":"G.E. Volovik","submitted_at":"2005-08-30T18:11:17Z","abstract_excerpt":"In the geometry of the circular hydraulic jump, the velocity of the liquid in the interior region exceeds the speed of capillary-gravity waves (ripplons), whose spectrum is `relativistic' in the shallow water limit. The velocity flow is radial and outward, and thus the relativistic ripplons cannot propagating into the interior region. In terms of the effective 2+1 dimensional Painleve-Gullstrand metric appropriate for the propagating ripplons, the interior region imitates the white hole. The hydraulic jump represents the physical singularity at the white-hole horizon. The instability of the va"},"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":"physics/0508215","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"physics.flu-dyn","submitted_at":"2005-08-30T18:11:17Z","cross_cats_sorted":["cond-mat.soft","gr-qc","hep-ph","physics.gen-ph"],"title_canon_sha256":"7466d29e0e766c7d165ddc2ac8060496ee36de4ac69cf1d1a0a79e64253ce59b","abstract_canon_sha256":"4657a55838199a598b33b12cfe6d28a4745c7aea0ca5cae1232a305b07335928"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:57:18.591630Z","signature_b64":"Lr1x3SDsU7T5vTHGe/gmJ31tc3LeB7IpvJ/3hR4R1FULzK+aDg1/+HeI9nen9DPTFNdo1FQ39V0ANa8vWDqwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"625287a77ad5ab32aa32b46f20010b540aa9cdb9194782e9bd6f32c1d259c599","last_reissued_at":"2026-07-04T16:57:18.591288Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:57:18.591288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The hydraulic jump as a white hole","license":"","headline":"","cross_cats":["cond-mat.soft","gr-qc","hep-ph","physics.gen-ph"],"primary_cat":"physics.flu-dyn","authors_text":"G.E. Volovik","submitted_at":"2005-08-30T18:11:17Z","abstract_excerpt":"In the geometry of the circular hydraulic jump, the velocity of the liquid in the interior region exceeds the speed of capillary-gravity waves (ripplons), whose spectrum is `relativistic' in the shallow water limit. The velocity flow is radial and outward, and thus the relativistic ripplons cannot propagating into the interior region. In terms of the effective 2+1 dimensional Painleve-Gullstrand metric appropriate for the propagating ripplons, the interior region imitates the white hole. The hydraulic jump represents the physical singularity at the white-hole horizon. The instability of the va"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0508215","kind":"arxiv","version":4},"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/physics/0508215/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"physics/0508215","created_at":"2026-07-04T16:57:18.591349+00:00"},{"alias_kind":"arxiv_version","alias_value":"physics/0508215v4","created_at":"2026-07-04T16:57:18.591349+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0508215","created_at":"2026-07-04T16:57:18.591349+00:00"},{"alias_kind":"pith_short_12","alias_value":"MJJIPJ322WVT","created_at":"2026-07-04T16:57:18.591349+00:00"},{"alias_kind":"pith_short_16","alias_value":"MJJIPJ322WVTFKRS","created_at":"2026-07-04T16:57:18.591349+00:00"},{"alias_kind":"pith_short_8","alias_value":"MJJIPJ32","created_at":"2026-07-04T16:57:18.591349+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/MJJIPJ322WVTFKRSWRXSAAILKQ","json":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ.json","graph_json":"https://pith.science/api/pith-number/MJJIPJ322WVTFKRSWRXSAAILKQ/graph.json","events_json":"https://pith.science/api/pith-number/MJJIPJ322WVTFKRSWRXSAAILKQ/events.json","paper":"https://pith.science/paper/MJJIPJ32"},"agent_actions":{"view_html":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ","download_json":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ.json","view_paper":"https://pith.science/paper/MJJIPJ32","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=physics/0508215&json=true","fetch_graph":"https://pith.science/api/pith-number/MJJIPJ322WVTFKRSWRXSAAILKQ/graph.json","fetch_events":"https://pith.science/api/pith-number/MJJIPJ322WVTFKRSWRXSAAILKQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ/action/storage_attestation","attest_author":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ/action/author_attestation","sign_citation":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ/action/citation_signature","submit_replication":"https://pith.science/pith/MJJIPJ322WVTFKRSWRXSAAILKQ/action/replication_record"}},"created_at":"2026-07-04T16:57:18.591349+00:00","updated_at":"2026-07-04T16:57:18.591349+00:00"}