{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XY5DRRE6GWUGXDGBL7TFKKZWF2","short_pith_number":"pith:XY5DRRE6","schema_version":"1.0","canonical_sha256":"be3a38c49e35a86b8cc15fe6552b362eb864de1cc28b4c93e6fefdd889238832","source":{"kind":"arxiv","id":"1606.09125","version":1},"attestation_state":"computed","paper":{"title":"Multiple quantum wells for PT-symmetric phononic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Fainstein, A. N. Poddubny, A. V. Poshakinskiy","submitted_at":"2016-06-29T14:41:16Z","abstract_excerpt":"We demonstrate that the parity-time symmetry for sound is realized in the laser-pumped multiple-quantum-well structure. Breaking of the parity-time symmetry for the phonons with wave vectors corresponding to the Bragg condition makes the structure a highly-selective acoustic wave amplifier. Single-mode distributed feedback phonon lasing is predicted for structures with realistic parameters."},"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":"1606.09125","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-06-29T14:41:16Z","cross_cats_sorted":[],"title_canon_sha256":"e94d005d63f402a6af1bee8e6755d01818f883347224265c7da1d5df283b0d1f","abstract_canon_sha256":"0f4efd55de8be822e4d6c7e52e3607d700ca384bbb3922b593b9dd784f98a6e0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:20.236739Z","signature_b64":"Hi/FK+i+xcQLxLfcUDoZJnLMxmbIuyspAIR1V4WtBFaV8dQwFrzpIMyjMTOcJ+7p7shyCYk7crX3y0J96Ba1Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be3a38c49e35a86b8cc15fe6552b362eb864de1cc28b4c93e6fefdd889238832","last_reissued_at":"2026-05-18T00:56:20.236012Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:20.236012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multiple quantum wells for PT-symmetric phononic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Fainstein, A. N. Poddubny, A. V. Poshakinskiy","submitted_at":"2016-06-29T14:41:16Z","abstract_excerpt":"We demonstrate that the parity-time symmetry for sound is realized in the laser-pumped multiple-quantum-well structure. Breaking of the parity-time symmetry for the phonons with wave vectors corresponding to the Bragg condition makes the structure a highly-selective acoustic wave amplifier. Single-mode distributed feedback phonon lasing is predicted for structures with realistic parameters."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.09125","kind":"arxiv","version":1},"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":"1606.09125","created_at":"2026-05-18T00:56:20.236129+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.09125v1","created_at":"2026-05-18T00:56:20.236129+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.09125","created_at":"2026-05-18T00:56:20.236129+00:00"},{"alias_kind":"pith_short_12","alias_value":"XY5DRRE6GWUG","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XY5DRRE6GWUGXDGB","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XY5DRRE6","created_at":"2026-05-18T12:30:51.357362+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/XY5DRRE6GWUGXDGBL7TFKKZWF2","json":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2.json","graph_json":"https://pith.science/api/pith-number/XY5DRRE6GWUGXDGBL7TFKKZWF2/graph.json","events_json":"https://pith.science/api/pith-number/XY5DRRE6GWUGXDGBL7TFKKZWF2/events.json","paper":"https://pith.science/paper/XY5DRRE6"},"agent_actions":{"view_html":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2","download_json":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2.json","view_paper":"https://pith.science/paper/XY5DRRE6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.09125&json=true","fetch_graph":"https://pith.science/api/pith-number/XY5DRRE6GWUGXDGBL7TFKKZWF2/graph.json","fetch_events":"https://pith.science/api/pith-number/XY5DRRE6GWUGXDGBL7TFKKZWF2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2/action/storage_attestation","attest_author":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2/action/author_attestation","sign_citation":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2/action/citation_signature","submit_replication":"https://pith.science/pith/XY5DRRE6GWUGXDGBL7TFKKZWF2/action/replication_record"}},"created_at":"2026-05-18T00:56:20.236129+00:00","updated_at":"2026-05-18T00:56:20.236129+00:00"}