{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:XDJXJMKHQKSL4EABWHHNYHQWAF","short_pith_number":"pith:XDJXJMKH","schema_version":"1.0","canonical_sha256":"b8d374b14782a4be1001b1cedc1e160146a5b91939096dff1f25606b64f72dc9","source":{"kind":"arxiv","id":"2011.00019","version":4},"attestation_state":"computed","paper":{"title":"Hawking temperature and phonon emission in acoustic holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","hep-ph"],"primary_cat":"gr-qc","authors_text":"Dario Grasso, Maria Luisa Chiofalo, Massimo Mannarelli, Silvia Trabucco","submitted_at":"2020-10-30T18:00:36Z","abstract_excerpt":"Acoustic holes are the hydrodynamic analogue of standard black holes. Featuring an acoustic horizon, these systems spontaneously emit phonons at the Hawking temperature. We derive the Hawking temperature of the acoustic horizon by fully exploiting the analogy between black and acoustic holes within a covariant kinetic theory approach. After deriving the phonon distribution function from the covariant kinetic equations, we reproduce the expression of the Hawking temperature by equating the entropy and energy losses of the acoustic hole and the entropy and energy gains of the spontaneously emitt"},"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":"2011.00019","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-10-30T18:00:36Z","cross_cats_sorted":["cond-mat.other","hep-ph"],"title_canon_sha256":"2fb1543839e849aea6160eec71198116f05a20da1c95efce5233d2e45b5ae307","abstract_canon_sha256":"68ac1a0e425423f19ace4685731bcc9b2c8dac9fa696ab83d4ced83221c13d91"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:41:48.558028Z","signature_b64":"36qao0V52KDl4Mons6eN2g6GHSvbxB0aFvF6m4s6bnjhD6ZFjbQLDv75ZZILK64z1FEwyfc0tHZC4an2qR7DDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8d374b14782a4be1001b1cedc1e160146a5b91939096dff1f25606b64f72dc9","last_reissued_at":"2026-07-05T02:41:48.557494Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:41:48.557494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hawking temperature and phonon emission in acoustic holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","hep-ph"],"primary_cat":"gr-qc","authors_text":"Dario Grasso, Maria Luisa Chiofalo, Massimo Mannarelli, Silvia Trabucco","submitted_at":"2020-10-30T18:00:36Z","abstract_excerpt":"Acoustic holes are the hydrodynamic analogue of standard black holes. Featuring an acoustic horizon, these systems spontaneously emit phonons at the Hawking temperature. We derive the Hawking temperature of the acoustic horizon by fully exploiting the analogy between black and acoustic holes within a covariant kinetic theory approach. After deriving the phonon distribution function from the covariant kinetic equations, we reproduce the expression of the Hawking temperature by equating the entropy and energy losses of the acoustic hole and the entropy and energy gains of the spontaneously emitt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.00019","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/2011.00019/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":"2011.00019","created_at":"2026-07-05T02:41:48.557565+00:00"},{"alias_kind":"arxiv_version","alias_value":"2011.00019v4","created_at":"2026-07-05T02:41:48.557565+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.00019","created_at":"2026-07-05T02:41:48.557565+00:00"},{"alias_kind":"pith_short_12","alias_value":"XDJXJMKHQKSL","created_at":"2026-07-05T02:41:48.557565+00:00"},{"alias_kind":"pith_short_16","alias_value":"XDJXJMKHQKSL4EAB","created_at":"2026-07-05T02:41:48.557565+00:00"},{"alias_kind":"pith_short_8","alias_value":"XDJXJMKH","created_at":"2026-07-05T02:41:48.557565+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"1907.06286","citing_title":"Autoencoding sensory substitution","ref_index":34,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF","json":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF.json","graph_json":"https://pith.science/api/pith-number/XDJXJMKHQKSL4EABWHHNYHQWAF/graph.json","events_json":"https://pith.science/api/pith-number/XDJXJMKHQKSL4EABWHHNYHQWAF/events.json","paper":"https://pith.science/paper/XDJXJMKH"},"agent_actions":{"view_html":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF","download_json":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF.json","view_paper":"https://pith.science/paper/XDJXJMKH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2011.00019&json=true","fetch_graph":"https://pith.science/api/pith-number/XDJXJMKHQKSL4EABWHHNYHQWAF/graph.json","fetch_events":"https://pith.science/api/pith-number/XDJXJMKHQKSL4EABWHHNYHQWAF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF/action/storage_attestation","attest_author":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF/action/author_attestation","sign_citation":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF/action/citation_signature","submit_replication":"https://pith.science/pith/XDJXJMKHQKSL4EABWHHNYHQWAF/action/replication_record"}},"created_at":"2026-07-05T02:41:48.557565+00:00","updated_at":"2026-07-05T02:41:48.557565+00:00"}