{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:74JIXX7BBJJTOOSCVXL7UQT4PB","short_pith_number":"pith:74JIXX7B","schema_version":"1.0","canonical_sha256":"ff128bdfe10a53373a42add7fa427c784c6c483698c4c2abcc983df1f5cac2cb","source":{"kind":"arxiv","id":"1810.09890","version":2},"attestation_state":"computed","paper":{"title":"Magnonic Analogue of Black/White Hole Horizon in Superfluid $^3$He-B","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"E. Ga\\v{z}o, M. Kupka, M. \\v{C}love\\v{c}ko, P. Skyba","submitted_at":"2018-10-23T14:44:21Z","abstract_excerpt":"We report on theoretical model and experimental results of the experiment made in a limit of absolute zero temperature ($\\sim$ 600\\,$\\mu$K) studying the spin wave analogue of black/white hole horizon using spin (magnonic) superfluidity in superfluid $^3$He-B. As an experimental tool simulating the properties of the black/white horizon we used the spin-precession waves propagating on the background of the spin super-currents between two Bose-Einstein condensates of magnons in form of homogeneously precessing domains. We provide experimental evidence of the white hole formation for spin precessi"},"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":"1810.09890","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2018-10-23T14:44:21Z","cross_cats_sorted":[],"title_canon_sha256":"c75157d77b88d0a0a6abc2384e0ca18990411c50abb31d7bf6da05f24b6e5bf8","abstract_canon_sha256":"63c0c7ada54deeb989fc0083ec949b34020ff23a9ef80576967031619856962d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:14:11.999692Z","signature_b64":"uwaSRJfSLR2XrgYNWYRQ0NLUT7QxtgEETyzPs5OGKLqafyZPUkdTTeEoNG47CBMVLZP92aT5pvLWAYl5NCXDAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff128bdfe10a53373a42add7fa427c784c6c483698c4c2abcc983df1f5cac2cb","last_reissued_at":"2026-07-05T00:14:11.999275Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:14:11.999275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnonic Analogue of Black/White Hole Horizon in Superfluid $^3$He-B","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"E. Ga\\v{z}o, M. Kupka, M. \\v{C}love\\v{c}ko, P. Skyba","submitted_at":"2018-10-23T14:44:21Z","abstract_excerpt":"We report on theoretical model and experimental results of the experiment made in a limit of absolute zero temperature ($\\sim$ 600\\,$\\mu$K) studying the spin wave analogue of black/white hole horizon using spin (magnonic) superfluidity in superfluid $^3$He-B. As an experimental tool simulating the properties of the black/white horizon we used the spin-precession waves propagating on the background of the spin super-currents between two Bose-Einstein condensates of magnons in form of homogeneously precessing domains. We provide experimental evidence of the white hole formation for spin precessi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09890","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/1810.09890/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":"1810.09890","created_at":"2026-07-05T00:14:11.999336+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.09890v2","created_at":"2026-07-05T00:14:11.999336+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09890","created_at":"2026-07-05T00:14:11.999336+00:00"},{"alias_kind":"pith_short_12","alias_value":"74JIXX7BBJJT","created_at":"2026-07-05T00:14:11.999336+00:00"},{"alias_kind":"pith_short_16","alias_value":"74JIXX7BBJJTOOSC","created_at":"2026-07-05T00:14:11.999336+00:00"},{"alias_kind":"pith_short_8","alias_value":"74JIXX7B","created_at":"2026-07-05T00:14:11.999336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.16570","citing_title":"Dynamical analog spacetimes from nonlinear perturbations in a topological material","ref_index":8,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB","json":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB.json","graph_json":"https://pith.science/api/pith-number/74JIXX7BBJJTOOSCVXL7UQT4PB/graph.json","events_json":"https://pith.science/api/pith-number/74JIXX7BBJJTOOSCVXL7UQT4PB/events.json","paper":"https://pith.science/paper/74JIXX7B"},"agent_actions":{"view_html":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB","download_json":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB.json","view_paper":"https://pith.science/paper/74JIXX7B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.09890&json=true","fetch_graph":"https://pith.science/api/pith-number/74JIXX7BBJJTOOSCVXL7UQT4PB/graph.json","fetch_events":"https://pith.science/api/pith-number/74JIXX7BBJJTOOSCVXL7UQT4PB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB/action/storage_attestation","attest_author":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB/action/author_attestation","sign_citation":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB/action/citation_signature","submit_replication":"https://pith.science/pith/74JIXX7BBJJTOOSCVXL7UQT4PB/action/replication_record"}},"created_at":"2026-07-05T00:14:11.999336+00:00","updated_at":"2026-07-05T00:14:11.999336+00:00"}