{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TQX3XY2Z2RI5WP4HAZGFVEVZTP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"54465c799de846439a1114944fccf048cc609104b6ed33d4bb9c0e75f2f12fa2","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-09-01T17:11:11Z","title_canon_sha256":"5c2a7f0d9b4184022ad5ef82b781660c2aec6a2348e444689ffe092be7a51b19"},"schema_version":"1.0","source":{"id":"2509.01625","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.01625","created_at":"2026-07-05T12:03:04Z"},{"alias_kind":"arxiv_version","alias_value":"2509.01625v1","created_at":"2026-07-05T12:03:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.01625","created_at":"2026-07-05T12:03:04Z"},{"alias_kind":"pith_short_12","alias_value":"TQX3XY2Z2RI5","created_at":"2026-07-05T12:03:04Z"},{"alias_kind":"pith_short_16","alias_value":"TQX3XY2Z2RI5WP4H","created_at":"2026-07-05T12:03:04Z"},{"alias_kind":"pith_short_8","alias_value":"TQX3XY2Z","created_at":"2026-07-05T12:03:04Z"}],"graph_snapshots":[{"event_id":"sha256:f84e7137d55150a5f31b13f1ff20538c5cf51f7b655b38bcc102b444932e152e","target":"graph","created_at":"2026-07-05T12:03:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2509.01625/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Designing metamaterials that carry out advanced computations poses a significant challenge. A powerful design strategy splits the problem into two steps: First, encoding the desired functionality in a discrete or tight-binding model, and second, identifying a metamaterial geometry that conforms to the model. Applying this approach to information-processing tasks requires accurately mapping nonlinearity -- an essential element for computation -- from discrete models to geometries. Here we formulate this mapping through a nonlinear coordinate transformation that accurately connects tight-binding","authors_text":"Marc Serra-Garcia, Paolo Tiso, Parisa Omidvar, Sima Zahedi Fard","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-09-01T17:11:11Z","title":"Embodying computation in nonlinear perturbative metamaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.01625","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:11b7e284d82f2c4e2048a7320a649ce81b03d97e6433b7df3ea3eb36100c7a12","target":"record","created_at":"2026-07-05T12:03:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"54465c799de846439a1114944fccf048cc609104b6ed33d4bb9c0e75f2f12fa2","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-09-01T17:11:11Z","title_canon_sha256":"5c2a7f0d9b4184022ad5ef82b781660c2aec6a2348e444689ffe092be7a51b19"},"schema_version":"1.0","source":{"id":"2509.01625","kind":"arxiv","version":1}},"canonical_sha256":"9c2fbbe359d451db3f87064c5a92b99bed4cf06af7257c250999e8edfe030765","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c2fbbe359d451db3f87064c5a92b99bed4cf06af7257c250999e8edfe030765","first_computed_at":"2026-07-05T12:03:04.793422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:03:04.793422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7ZucHuOqJss0VVI7YlCXKWYroLrGcH3k/yPsRzP+sKGgZCaMyHBWNs0+qEoB/M0vmjbwqrBDqnVTS9xT17hICg==","signature_status":"signed_v1","signed_at":"2026-07-05T12:03:04.793934Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.01625","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11b7e284d82f2c4e2048a7320a649ce81b03d97e6433b7df3ea3eb36100c7a12","sha256:f84e7137d55150a5f31b13f1ff20538c5cf51f7b655b38bcc102b444932e152e"],"state_sha256":"71de8b03bfc246b4a3e5a5b889a9a52583a62758d7e60d10ae2e51880e906757"}