{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BNYLDOT36X5I64SRMJJTZXCX52","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":"2598270454d8b4f9f040d0f7d4a9f108f5eecbf11f1a0f2f2b23b53204e41f9d","cross_cats_sorted":["cond-mat.quant-gas","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-09-30T22:22:29Z","title_canon_sha256":"105aa9a0a426f545d487e202a8d7f15fe76ad56e85dbf104a93eac3f8bb6082f"},"schema_version":"1.0","source":{"id":"2410.00264","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.00264","created_at":"2026-07-05T10:22:51Z"},{"alias_kind":"arxiv_version","alias_value":"2410.00264v2","created_at":"2026-07-05T10:22:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.00264","created_at":"2026-07-05T10:22:51Z"},{"alias_kind":"pith_short_12","alias_value":"BNYLDOT36X5I","created_at":"2026-07-05T10:22:51Z"},{"alias_kind":"pith_short_16","alias_value":"BNYLDOT36X5I64SR","created_at":"2026-07-05T10:22:51Z"},{"alias_kind":"pith_short_8","alias_value":"BNYLDOT3","created_at":"2026-07-05T10:22:51Z"}],"graph_snapshots":[{"event_id":"sha256:60c257f88ca5c83bbf4effee34eeb6a1469a14eed05d088811695ab90a8fc41e","target":"graph","created_at":"2026-07-05T10:22:51Z","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/2410.00264/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phonons in Bose-Einstein condensates propagate as massless scalar particles on top of an emergent acoustic metric. This hydrodynamics/gravity analogy can be exploited to realize acoustic black holes, featuring an event horizon that traps phonons. We show that by an appropriate external potential, gravitational wave-like perturbations of the acoustic metric can be produced. Such perturbations can be used to excite an acoustic black hole, which should then relax by phonon emission.","authors_text":"Chiara Coviello, Dario Grasso, Maria Luisa Chiofalo, Massimo Mannarelli, Silvia Trabucco, Stefano Liberati","cross_cats":["cond-mat.quant-gas","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-09-30T22:22:29Z","title":"Gravitational Waves and Black Hole perturbations in Acoustic Analogues"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.00264","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":"sha256:12015d3a3a58b03352d0856ab8bc864c9464ef271c84ec702a773fd39a6b0b8b","target":"record","created_at":"2026-07-05T10:22:51Z","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":"2598270454d8b4f9f040d0f7d4a9f108f5eecbf11f1a0f2f2b23b53204e41f9d","cross_cats_sorted":["cond-mat.quant-gas","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-09-30T22:22:29Z","title_canon_sha256":"105aa9a0a426f545d487e202a8d7f15fe76ad56e85dbf104a93eac3f8bb6082f"},"schema_version":"1.0","source":{"id":"2410.00264","kind":"arxiv","version":2}},"canonical_sha256":"0b70b1ba7bf5fa8f725162533cdc57ee98911c8e7584bb23c1c187623f8d626e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b70b1ba7bf5fa8f725162533cdc57ee98911c8e7584bb23c1c187623f8d626e","first_computed_at":"2026-07-05T10:22:51.154562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:22:51.154562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mmdF+U2uzukAALQvFbmueschta0oh0GrMNFwa5TtmdVsnwSOvt6cYgboeKo9sSrSDdxjQ4SlXFByoXoyP1WwBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:22:51.155255Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.00264","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12015d3a3a58b03352d0856ab8bc864c9464ef271c84ec702a773fd39a6b0b8b","sha256:60c257f88ca5c83bbf4effee34eeb6a1469a14eed05d088811695ab90a8fc41e"],"state_sha256":"ed5f53c0549c808dc1bc83be6cfd0b064875850e588e2c09ddac7c0b116a04fc"}