{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DMD7FXAFA4UTG2YKSUMISMBFCD","short_pith_number":"pith:DMD7FXAF","schema_version":"1.0","canonical_sha256":"1b07f2dc050729336b0a951889302510d637601044b01a33ea06466fab678078","source":{"kind":"arxiv","id":"1707.09013","version":1},"attestation_state":"computed","paper":{"title":"Multiparameter actuation of a neutrally-stable shell: a flexible gear-less motor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.soft","authors_text":"Angela Vincenti, Corrado Maurini, Stefano Vidoli, Walid Hamouche","submitted_at":"2017-07-16T21:07:49Z","abstract_excerpt":"We have designed and tested experimentally a morphing structure consisting of a neutrally stable thin cylindrical shell driven by a multiparameter piezoelectric actuation. The shell is obtained by plastically deforming an initially flat copper disk, so as to induce large isotropic and almost uniform inelastic curvatures. Following the plastic deformation, in a perfectly isotropic system, the shell is theoretically neutrally stable, owning a continuous manifold of stable cylindrical shapes corresponding to the rotation of the axis of maximal curvature. Small imperfections render the actual stru"},"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":"1707.09013","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-07-16T21:07:49Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"f86135835d7f8ac6b8b421cab4a57177017116ca1f3cee03ff585a685d3c7dcb","abstract_canon_sha256":"e52f021734fe136810776fc445c25a4ac91f93fb7edf42c3078c4ca79886ecbd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:08.240026Z","signature_b64":"EW2gpFHigM/ToIdS1m5MSWYKXUGPtCgqoxzMvIo5WVK8uS6uICuFrA8627DcbBr/AqxMYaJZL0OWEM/Dc2pwDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b07f2dc050729336b0a951889302510d637601044b01a33ea06466fab678078","last_reissued_at":"2026-05-18T00:32:08.239422Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:08.239422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multiparameter actuation of a neutrally-stable shell: a flexible gear-less motor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.soft","authors_text":"Angela Vincenti, Corrado Maurini, Stefano Vidoli, Walid Hamouche","submitted_at":"2017-07-16T21:07:49Z","abstract_excerpt":"We have designed and tested experimentally a morphing structure consisting of a neutrally stable thin cylindrical shell driven by a multiparameter piezoelectric actuation. The shell is obtained by plastically deforming an initially flat copper disk, so as to induce large isotropic and almost uniform inelastic curvatures. Following the plastic deformation, in a perfectly isotropic system, the shell is theoretically neutrally stable, owning a continuous manifold of stable cylindrical shapes corresponding to the rotation of the axis of maximal curvature. Small imperfections render the actual stru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09013","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":"1707.09013","created_at":"2026-05-18T00:32:08.239519+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.09013v1","created_at":"2026-05-18T00:32:08.239519+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09013","created_at":"2026-05-18T00:32:08.239519+00:00"},{"alias_kind":"pith_short_12","alias_value":"DMD7FXAFA4UT","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_16","alias_value":"DMD7FXAFA4UTG2YK","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_8","alias_value":"DMD7FXAF","created_at":"2026-05-18T12:31:10.602751+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/DMD7FXAFA4UTG2YKSUMISMBFCD","json":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD.json","graph_json":"https://pith.science/api/pith-number/DMD7FXAFA4UTG2YKSUMISMBFCD/graph.json","events_json":"https://pith.science/api/pith-number/DMD7FXAFA4UTG2YKSUMISMBFCD/events.json","paper":"https://pith.science/paper/DMD7FXAF"},"agent_actions":{"view_html":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD","download_json":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD.json","view_paper":"https://pith.science/paper/DMD7FXAF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.09013&json=true","fetch_graph":"https://pith.science/api/pith-number/DMD7FXAFA4UTG2YKSUMISMBFCD/graph.json","fetch_events":"https://pith.science/api/pith-number/DMD7FXAFA4UTG2YKSUMISMBFCD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD/action/storage_attestation","attest_author":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD/action/author_attestation","sign_citation":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD/action/citation_signature","submit_replication":"https://pith.science/pith/DMD7FXAFA4UTG2YKSUMISMBFCD/action/replication_record"}},"created_at":"2026-05-18T00:32:08.239519+00:00","updated_at":"2026-05-18T00:32:08.239519+00:00"}