{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:3VR3HTIIVSOON22KWC2RNWPXXS","short_pith_number":"pith:3VR3HTII","schema_version":"1.0","canonical_sha256":"dd63b3cd08ac9ce6eb4ab0b516d9f7bc90b9eba61f661fe30fec867716cd6a54","source":{"kind":"arxiv","id":"1510.06389","version":1},"attestation_state":"computed","paper":{"title":"Transformable topological mechanical metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"D. Zeb Rocklin, Kai Sun, Shangnan Zhou, Xiaoming Mao","submitted_at":"2015-10-21T19:59:05Z","abstract_excerpt":"Mechanical metamaterials are engineered materials that gain their remarkable mechanical properties, such as negative Poisson's ratios, negative compressibility, phononic bandgaps, and topological phonon modes, from their structure rather than composition. Here we propose a new design principle, based on a uniform soft deformation of the whole structure, to allow metamaterials to be immediately and reversibly transformed between states with contrasting mechanical and acoustic properties. These properties are protected by the topological structure of the phonon band of the whole structure and ar"},"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":"1510.06389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-10-21T19:59:05Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"b21b1c2ad0510a8e42391b4549ff2597cc136d6445e6ff8bd68ae329338e6806","abstract_canon_sha256":"9cfce69cc20e460d958ab8629ce5be074c631e10ac559563778930169575e9c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:34.834847Z","signature_b64":"LDPxZ/4BMx7OduS3j62kmLzPJ3jfYT04m4Opwka6JX094jnlzDDpu1Nl+O/2d/V65ZZw+TEGgQtl+K3kPrqYCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd63b3cd08ac9ce6eb4ab0b516d9f7bc90b9eba61f661fe30fec867716cd6a54","last_reissued_at":"2026-05-18T00:49:34.834388Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:34.834388Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Transformable topological mechanical metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"D. Zeb Rocklin, Kai Sun, Shangnan Zhou, Xiaoming Mao","submitted_at":"2015-10-21T19:59:05Z","abstract_excerpt":"Mechanical metamaterials are engineered materials that gain their remarkable mechanical properties, such as negative Poisson's ratios, negative compressibility, phononic bandgaps, and topological phonon modes, from their structure rather than composition. Here we propose a new design principle, based on a uniform soft deformation of the whole structure, to allow metamaterials to be immediately and reversibly transformed between states with contrasting mechanical and acoustic properties. These properties are protected by the topological structure of the phonon band of the whole structure and ar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.06389","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":"1510.06389","created_at":"2026-05-18T00:49:34.834461+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.06389v1","created_at":"2026-05-18T00:49:34.834461+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.06389","created_at":"2026-05-18T00:49:34.834461+00:00"},{"alias_kind":"pith_short_12","alias_value":"3VR3HTIIVSOO","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"3VR3HTIIVSOON22K","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"3VR3HTII","created_at":"2026-05-18T12:29:02.477457+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/3VR3HTIIVSOON22KWC2RNWPXXS","json":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS.json","graph_json":"https://pith.science/api/pith-number/3VR3HTIIVSOON22KWC2RNWPXXS/graph.json","events_json":"https://pith.science/api/pith-number/3VR3HTIIVSOON22KWC2RNWPXXS/events.json","paper":"https://pith.science/paper/3VR3HTII"},"agent_actions":{"view_html":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS","download_json":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS.json","view_paper":"https://pith.science/paper/3VR3HTII","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.06389&json=true","fetch_graph":"https://pith.science/api/pith-number/3VR3HTIIVSOON22KWC2RNWPXXS/graph.json","fetch_events":"https://pith.science/api/pith-number/3VR3HTIIVSOON22KWC2RNWPXXS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS/action/storage_attestation","attest_author":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS/action/author_attestation","sign_citation":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS/action/citation_signature","submit_replication":"https://pith.science/pith/3VR3HTIIVSOON22KWC2RNWPXXS/action/replication_record"}},"created_at":"2026-05-18T00:49:34.834461+00:00","updated_at":"2026-05-18T00:49:34.834461+00:00"}