{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:3DYINWLSVVQHYI7WPPUOBFEZWQ","short_pith_number":"pith:3DYINWLS","schema_version":"1.0","canonical_sha256":"d8f086d972ad607c23f67be8e09499b406134209e5b3dff5eed6a621156a3508","source":{"kind":"arxiv","id":"2605.31230","version":1},"attestation_state":"computed","paper":{"title":"Hydrogel microwells with light-controlled reversible closure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Alberto Puliafito, Beatrice Masante, David Urban, Denis Garoli, Diana Massai, Emiliano Descrovi, Federica Galvagno, Huaizhou Jin, Qifei Ma, Shangzhong Jin, Stefano Gabetti","submitted_at":"2026-05-29T12:35:13Z","abstract_excerpt":"We present a light-responsive hydrogel nanocomposite engineered into arrays of micrometer-scale wells that can be selectively and sequentially closed and re-opened via laser illumination. Polarization-controlled light exposure induces anisotropic surface deformations, leading to the formation of protrusive flaps sealing the wells. Owing to the intrinsic elasticity and anti-adhesive properties of the hydrogel matrix, the deformation process is partially reversible, allowing flap retraction and restoration of the original well geometry. This platform facilitates contactless, on-demand trapping a"},"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":"2605.31230","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2026-05-29T12:35:13Z","cross_cats_sorted":[],"title_canon_sha256":"4bbabe5b0473b6f0eaf9fce1ec9456acf48082da0a16e016b23b8c250e0c2ca2","abstract_canon_sha256":"a88e5aa5272b7316f414cb7c4047125d9b87d9b02dcb1cf7686302a2572435a8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-01T01:04:05.292450Z","signature_b64":"JisuCKwDIacEmz4LcPo+WKLmWXiSOi+kANEJxQNmnJY0nQKRF+pxKsEfv2R3rWheLfDVw/3w95uso5ntG0jNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8f086d972ad607c23f67be8e09499b406134209e5b3dff5eed6a621156a3508","last_reissued_at":"2026-06-01T01:04:05.291892Z","signature_status":"signed_v1","first_computed_at":"2026-06-01T01:04:05.291892Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hydrogel microwells with light-controlled reversible closure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Alberto Puliafito, Beatrice Masante, David Urban, Denis Garoli, Diana Massai, Emiliano Descrovi, Federica Galvagno, Huaizhou Jin, Qifei Ma, Shangzhong Jin, Stefano Gabetti","submitted_at":"2026-05-29T12:35:13Z","abstract_excerpt":"We present a light-responsive hydrogel nanocomposite engineered into arrays of micrometer-scale wells that can be selectively and sequentially closed and re-opened via laser illumination. Polarization-controlled light exposure induces anisotropic surface deformations, leading to the formation of protrusive flaps sealing the wells. Owing to the intrinsic elasticity and anti-adhesive properties of the hydrogel matrix, the deformation process is partially reversible, allowing flap retraction and restoration of the original well geometry. This platform facilitates contactless, on-demand trapping a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.31230","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.31230/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2605.31230","created_at":"2026-06-01T01:04:05.291993+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.31230v1","created_at":"2026-06-01T01:04:05.291993+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.31230","created_at":"2026-06-01T01:04:05.291993+00:00"},{"alias_kind":"pith_short_12","alias_value":"3DYINWLSVVQH","created_at":"2026-06-01T01:04:05.291993+00:00"},{"alias_kind":"pith_short_16","alias_value":"3DYINWLSVVQHYI7W","created_at":"2026-06-01T01:04:05.291993+00:00"},{"alias_kind":"pith_short_8","alias_value":"3DYINWLS","created_at":"2026-06-01T01:04:05.291993+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/3DYINWLSVVQHYI7WPPUOBFEZWQ","json":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ.json","graph_json":"https://pith.science/api/pith-number/3DYINWLSVVQHYI7WPPUOBFEZWQ/graph.json","events_json":"https://pith.science/api/pith-number/3DYINWLSVVQHYI7WPPUOBFEZWQ/events.json","paper":"https://pith.science/paper/3DYINWLS"},"agent_actions":{"view_html":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ","download_json":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ.json","view_paper":"https://pith.science/paper/3DYINWLS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.31230&json=true","fetch_graph":"https://pith.science/api/pith-number/3DYINWLSVVQHYI7WPPUOBFEZWQ/graph.json","fetch_events":"https://pith.science/api/pith-number/3DYINWLSVVQHYI7WPPUOBFEZWQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ/action/storage_attestation","attest_author":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ/action/author_attestation","sign_citation":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ/action/citation_signature","submit_replication":"https://pith.science/pith/3DYINWLSVVQHYI7WPPUOBFEZWQ/action/replication_record"}},"created_at":"2026-06-01T01:04:05.291993+00:00","updated_at":"2026-06-01T01:04:05.291993+00:00"}