{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:DZXMM6XDHACBS7RCJR4E7IKIIT","short_pith_number":"pith:DZXMM6XD","schema_version":"1.0","canonical_sha256":"1e6ec67ae33804197e224c784fa14844c1c980ce4728a8cee67517dde13a2b32","source":{"kind":"arxiv","id":"2304.03658","version":2},"attestation_state":"computed","paper":{"title":"Humidity-induced glass transition of a polyelectrolyte brush creates switchable friction in air","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.soft","authors_text":"Ali Dhinojwala, Saranshu Singla, Stephen Merriman","submitted_at":"2023-04-07T14:25:45Z","abstract_excerpt":"Polymer brushes have found extensive applications as responsive surfaces, particularly in achieving tunable friction in solvent environments. Despite recent interest in extending this technology to air environments, little is known about the impact of vapor absorption on friction. Considering polyelectrolyte brushes, we report findings that reveal, with increasing relative humidity, a trend of frictional shear forces decaying over two orders of magnitude only after achieving a critical humidity. However, water absorption, structure, and swelling of the brushes followed continuous trends with i"},"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":"2304.03658","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-04-07T14:25:45Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"7d58d48fe60ed667154bbec3e8fa706cc5767a4d7af7920ad416c5d41ad3b12b","abstract_canon_sha256":"f593f8830e77711369551b5f5f71f2973bcfcbbd76ea8785ab0b42aac442bcf9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:03:23.020552Z","signature_b64":"9ugeFVqjIFLHAfp6WLVJfflnL0hLw7geKJxu/3DZm67UkYal5seHqsS4mJfsqrKEnGXAT8Y4eavT2zokillCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e6ec67ae33804197e224c784fa14844c1c980ce4728a8cee67517dde13a2b32","last_reissued_at":"2026-07-05T07:03:23.019893Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:03:23.019893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Humidity-induced glass transition of a polyelectrolyte brush creates switchable friction in air","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.soft","authors_text":"Ali Dhinojwala, Saranshu Singla, Stephen Merriman","submitted_at":"2023-04-07T14:25:45Z","abstract_excerpt":"Polymer brushes have found extensive applications as responsive surfaces, particularly in achieving tunable friction in solvent environments. Despite recent interest in extending this technology to air environments, little is known about the impact of vapor absorption on friction. Considering polyelectrolyte brushes, we report findings that reveal, with increasing relative humidity, a trend of frictional shear forces decaying over two orders of magnitude only after achieving a critical humidity. However, water absorption, structure, and swelling of the brushes followed continuous trends with i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.03658","kind":"arxiv","version":2},"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/2304.03658/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":"2304.03658","created_at":"2026-07-05T07:03:23.019954+00:00"},{"alias_kind":"arxiv_version","alias_value":"2304.03658v2","created_at":"2026-07-05T07:03:23.019954+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.03658","created_at":"2026-07-05T07:03:23.019954+00:00"},{"alias_kind":"pith_short_12","alias_value":"DZXMM6XDHACB","created_at":"2026-07-05T07:03:23.019954+00:00"},{"alias_kind":"pith_short_16","alias_value":"DZXMM6XDHACBS7RC","created_at":"2026-07-05T07:03:23.019954+00:00"},{"alias_kind":"pith_short_8","alias_value":"DZXMM6XD","created_at":"2026-07-05T07:03:23.019954+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/DZXMM6XDHACBS7RCJR4E7IKIIT","json":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT.json","graph_json":"https://pith.science/api/pith-number/DZXMM6XDHACBS7RCJR4E7IKIIT/graph.json","events_json":"https://pith.science/api/pith-number/DZXMM6XDHACBS7RCJR4E7IKIIT/events.json","paper":"https://pith.science/paper/DZXMM6XD"},"agent_actions":{"view_html":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT","download_json":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT.json","view_paper":"https://pith.science/paper/DZXMM6XD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2304.03658&json=true","fetch_graph":"https://pith.science/api/pith-number/DZXMM6XDHACBS7RCJR4E7IKIIT/graph.json","fetch_events":"https://pith.science/api/pith-number/DZXMM6XDHACBS7RCJR4E7IKIIT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT/action/storage_attestation","attest_author":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT/action/author_attestation","sign_citation":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT/action/citation_signature","submit_replication":"https://pith.science/pith/DZXMM6XDHACBS7RCJR4E7IKIIT/action/replication_record"}},"created_at":"2026-07-05T07:03:23.019954+00:00","updated_at":"2026-07-05T07:03:23.019954+00:00"}