{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:I25AGQNAYBTKBWLXXMVU66APNR","short_pith_number":"pith:I25AGQNA","schema_version":"1.0","canonical_sha256":"46ba0341a0c066a0d977bb2b4f780f6c705f6fa1b144a1703521d59589038c20","source":{"kind":"arxiv","id":"1609.01683","version":2},"attestation_state":"computed","paper":{"title":"Ultrasonic attenuation in a pseudogapped superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. V. Shtyk, M. V. Feigel'man","submitted_at":"2016-09-06T18:19:17Z","abstract_excerpt":"We develop a theory of ultrasound decay rate $\\alpha$ in a model of a superconductor with a large pseudogap $\\Delta_P$, and show that at low temperatures ($T \\ll T_c$) the magnitude of the decay rate $\\alpha$ is controlled by the ratio of $T/\\Delta$, where $\\Delta \\ll \\Delta_P$ is a superconducting collective gap. Thus we propose new method to measure the collective gap $\\Delta$ in a situation when strong pseudogap is present."},"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":"1609.01683","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-09-06T18:19:17Z","cross_cats_sorted":[],"title_canon_sha256":"849dc2be5424a342ffed820c47f84b2fe3952b5563c2b2f0be8647e23b8be35c","abstract_canon_sha256":"a59d40e8766af12aa968bdc0c94bb5789576fc5af8b2b14c0a7ed5ba8b681bbf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:33.164977Z","signature_b64":"oUHLOHMrjCOEk9E6uIf558yPA/EYrWTrMtX2Jhr7IcVwrvuO+fxhXiaONotPbaGLNvrIRV8S1uVowsV4YtyzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46ba0341a0c066a0d977bb2b4f780f6c705f6fa1b144a1703521d59589038c20","last_reissued_at":"2026-05-18T00:36:33.164427Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:33.164427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultrasonic attenuation in a pseudogapped superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. V. Shtyk, M. V. Feigel'man","submitted_at":"2016-09-06T18:19:17Z","abstract_excerpt":"We develop a theory of ultrasound decay rate $\\alpha$ in a model of a superconductor with a large pseudogap $\\Delta_P$, and show that at low temperatures ($T \\ll T_c$) the magnitude of the decay rate $\\alpha$ is controlled by the ratio of $T/\\Delta$, where $\\Delta \\ll \\Delta_P$ is a superconducting collective gap. Thus we propose new method to measure the collective gap $\\Delta$ in a situation when strong pseudogap is present."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01683","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":""},"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":"1609.01683","created_at":"2026-05-18T00:36:33.164506+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.01683v2","created_at":"2026-05-18T00:36:33.164506+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01683","created_at":"2026-05-18T00:36:33.164506+00:00"},{"alias_kind":"pith_short_12","alias_value":"I25AGQNAYBTK","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"I25AGQNAYBTKBWLX","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"I25AGQNA","created_at":"2026-05-18T12:30:22.444734+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/I25AGQNAYBTKBWLXXMVU66APNR","json":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR.json","graph_json":"https://pith.science/api/pith-number/I25AGQNAYBTKBWLXXMVU66APNR/graph.json","events_json":"https://pith.science/api/pith-number/I25AGQNAYBTKBWLXXMVU66APNR/events.json","paper":"https://pith.science/paper/I25AGQNA"},"agent_actions":{"view_html":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR","download_json":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR.json","view_paper":"https://pith.science/paper/I25AGQNA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.01683&json=true","fetch_graph":"https://pith.science/api/pith-number/I25AGQNAYBTKBWLXXMVU66APNR/graph.json","fetch_events":"https://pith.science/api/pith-number/I25AGQNAYBTKBWLXXMVU66APNR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR/action/storage_attestation","attest_author":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR/action/author_attestation","sign_citation":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR/action/citation_signature","submit_replication":"https://pith.science/pith/I25AGQNAYBTKBWLXXMVU66APNR/action/replication_record"}},"created_at":"2026-05-18T00:36:33.164506+00:00","updated_at":"2026-05-18T00:36:33.164506+00:00"}