{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:QKJFXCV5DNRWIHMFAC2CJMGQEW","short_pith_number":"pith:QKJFXCV5","schema_version":"1.0","canonical_sha256":"82925b8abd1b63641d8500b424b0d025a1414d621d61c7202be234a0217e1efc","source":{"kind":"arxiv","id":"2203.09575","version":1},"attestation_state":"computed","paper":{"title":"Interfacial strength dominates fold formation in microscale, soft static friction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Jonathan T. Pham, Justin D. Glover, Rong Long, Xingwei Yang","submitted_at":"2022-03-17T19:34:24Z","abstract_excerpt":"Utilizing colloidal probe, lateral force microscopy and simultaneous confocal microscopy, combined with finite element analysis, we investigate the mechanism of static friction for a microparticle on a soft, adhesive surface. We find that the surface can form a self-contacting fold at the leading front, which results from a buildup of compressive stress. A sufficiently high lateral resistance is required for folding to occur, although the folds themselves do not increase the peak force. Experimentally, folds are observed on substrates that exhibit both high and low normal adhesion, motivating "},"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":"2203.09575","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-03-17T19:34:24Z","cross_cats_sorted":[],"title_canon_sha256":"80f481f6124140e3f7f0dfe6455c9705d4b639f6ae7a6cb7298842a7a9565cad","abstract_canon_sha256":"6c6f90921f309b7a4938344a0309550ddab8e0cfc6db688caebe6c86522cc269"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:03:53.466774Z","signature_b64":"yo9WgCd/24r4ng56Ap2LtUcz6cxP6KhcKqHcZtwi+j7acGi3M0z5X9hBYNAofcTGylDCAy9y4bIhkK1gmPgEDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82925b8abd1b63641d8500b424b0d025a1414d621d61c7202be234a0217e1efc","last_reissued_at":"2026-07-05T06:03:53.466385Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:03:53.466385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interfacial strength dominates fold formation in microscale, soft static friction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Jonathan T. Pham, Justin D. Glover, Rong Long, Xingwei Yang","submitted_at":"2022-03-17T19:34:24Z","abstract_excerpt":"Utilizing colloidal probe, lateral force microscopy and simultaneous confocal microscopy, combined with finite element analysis, we investigate the mechanism of static friction for a microparticle on a soft, adhesive surface. We find that the surface can form a self-contacting fold at the leading front, which results from a buildup of compressive stress. A sufficiently high lateral resistance is required for folding to occur, although the folds themselves do not increase the peak force. Experimentally, folds are observed on substrates that exhibit both high and low normal adhesion, motivating "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.09575","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/2203.09575/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":"2203.09575","created_at":"2026-07-05T06:03:53.466442+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.09575v1","created_at":"2026-07-05T06:03:53.466442+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.09575","created_at":"2026-07-05T06:03:53.466442+00:00"},{"alias_kind":"pith_short_12","alias_value":"QKJFXCV5DNRW","created_at":"2026-07-05T06:03:53.466442+00:00"},{"alias_kind":"pith_short_16","alias_value":"QKJFXCV5DNRWIHMF","created_at":"2026-07-05T06:03:53.466442+00:00"},{"alias_kind":"pith_short_8","alias_value":"QKJFXCV5","created_at":"2026-07-05T06:03:53.466442+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/QKJFXCV5DNRWIHMFAC2CJMGQEW","json":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW.json","graph_json":"https://pith.science/api/pith-number/QKJFXCV5DNRWIHMFAC2CJMGQEW/graph.json","events_json":"https://pith.science/api/pith-number/QKJFXCV5DNRWIHMFAC2CJMGQEW/events.json","paper":"https://pith.science/paper/QKJFXCV5"},"agent_actions":{"view_html":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW","download_json":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW.json","view_paper":"https://pith.science/paper/QKJFXCV5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.09575&json=true","fetch_graph":"https://pith.science/api/pith-number/QKJFXCV5DNRWIHMFAC2CJMGQEW/graph.json","fetch_events":"https://pith.science/api/pith-number/QKJFXCV5DNRWIHMFAC2CJMGQEW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW/action/storage_attestation","attest_author":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW/action/author_attestation","sign_citation":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW/action/citation_signature","submit_replication":"https://pith.science/pith/QKJFXCV5DNRWIHMFAC2CJMGQEW/action/replication_record"}},"created_at":"2026-07-05T06:03:53.466442+00:00","updated_at":"2026-07-05T06:03:53.466442+00:00"}