{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:B5SUMYG4ZBE2QFKB56N3P2RPOE","short_pith_number":"pith:B5SUMYG4","schema_version":"1.0","canonical_sha256":"0f654660dcc849a81541ef9bb7ea2f71203bfe5641057838f217ee844c2911c2","source":{"kind":"arxiv","id":"1512.00814","version":1},"attestation_state":"computed","paper":{"title":"Tunable topological phononic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ying Wu, Ze-Guo Chen","submitted_at":"2015-12-02T19:20:09Z","abstract_excerpt":"Topological insulators, first observed in electronic systems, have inspired many analogues in photonic and phononic crystals in which remarkable one-way propagation edge states are supported by topologically nontrivial bandgaps. Such bandgaps can be achieved by breaking the time-reversal symmetry to lift the degeneracy associated with Dirac cones at the corners of the Brillouin zone. Here, we report on our construction of a phononic crystal exhibiting a Dirac-like cone in the Brillouin zone center. We demonstrate that simultaneously breaking the time-reversal symmetry and altering the geometri"},"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":"1512.00814","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-02T19:20:09Z","cross_cats_sorted":[],"title_canon_sha256":"8058a604a9a5b376af2ef3f8619e44c70f68a853ea5d6086250f2ec490d5f8f8","abstract_canon_sha256":"54a7ee8c561e484a03910f5b8c8a30636c9233f8e4371f5b64c2a05b071a6bad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:16.121494Z","signature_b64":"B7WBS+lZGHgO3gU6+8b+AjFAoUrFGIRT5ukkTMaAEwPxR5KsvxdxBeOGFNqT44K5CtbgN5Eckxcqkm2u+RoSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f654660dcc849a81541ef9bb7ea2f71203bfe5641057838f217ee844c2911c2","last_reissued_at":"2026-05-18T01:13:16.120977Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:16.120977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tunable topological phononic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ying Wu, Ze-Guo Chen","submitted_at":"2015-12-02T19:20:09Z","abstract_excerpt":"Topological insulators, first observed in electronic systems, have inspired many analogues in photonic and phononic crystals in which remarkable one-way propagation edge states are supported by topologically nontrivial bandgaps. Such bandgaps can be achieved by breaking the time-reversal symmetry to lift the degeneracy associated with Dirac cones at the corners of the Brillouin zone. Here, we report on our construction of a phononic crystal exhibiting a Dirac-like cone in the Brillouin zone center. We demonstrate that simultaneously breaking the time-reversal symmetry and altering the geometri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00814","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":"1512.00814","created_at":"2026-05-18T01:13:16.121060+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.00814v1","created_at":"2026-05-18T01:13:16.121060+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00814","created_at":"2026-05-18T01:13:16.121060+00:00"},{"alias_kind":"pith_short_12","alias_value":"B5SUMYG4ZBE2","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"B5SUMYG4ZBE2QFKB","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"B5SUMYG4","created_at":"2026-05-18T12:29:14.074870+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/B5SUMYG4ZBE2QFKB56N3P2RPOE","json":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE.json","graph_json":"https://pith.science/api/pith-number/B5SUMYG4ZBE2QFKB56N3P2RPOE/graph.json","events_json":"https://pith.science/api/pith-number/B5SUMYG4ZBE2QFKB56N3P2RPOE/events.json","paper":"https://pith.science/paper/B5SUMYG4"},"agent_actions":{"view_html":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE","download_json":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE.json","view_paper":"https://pith.science/paper/B5SUMYG4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.00814&json=true","fetch_graph":"https://pith.science/api/pith-number/B5SUMYG4ZBE2QFKB56N3P2RPOE/graph.json","fetch_events":"https://pith.science/api/pith-number/B5SUMYG4ZBE2QFKB56N3P2RPOE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE/action/storage_attestation","attest_author":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE/action/author_attestation","sign_citation":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE/action/citation_signature","submit_replication":"https://pith.science/pith/B5SUMYG4ZBE2QFKB56N3P2RPOE/action/replication_record"}},"created_at":"2026-05-18T01:13:16.121060+00:00","updated_at":"2026-05-18T01:13:16.121060+00:00"}