{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:LHHH4UBKYYUSP6CETIJY4ZSB2Z","short_pith_number":"pith:LHHH4UBK","schema_version":"1.0","canonical_sha256":"59ce7e502ac62927f8449a138e6641d67a61b4799675e8988d90916f42dd6f89","source":{"kind":"arxiv","id":"1908.02676","version":1},"attestation_state":"computed","paper":{"title":"Shear Destruction of Frictional Aging and Memory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"cond-mat.soft","authors_text":"Sam Dillavou, Shmuel M Rubinstein","submitted_at":"2019-08-07T15:14:19Z","abstract_excerpt":"We simultaneously measure the static friction and the real area of contact between two solid bodies. Under static conditions both quantities increase logarithmically in time, a phenomenon coined aging. Indeed, frictional strength is traditionally considered equivalent to the real area of contact. Here we show that this equivalence breaks down when a static shear load is applied during aging. The addition of such a shear load accelerates frictional aging while the aging rate of the real area of contact is unaffected. Moreover, a negative static shear - pulling instead of pushing - slows frictio"},"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":"1908.02676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-08-07T15:14:19Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"aac097d8e4a8bccd70c35a0f6d3df61efdd30fcf1f85b30c0389933bc7c1e9b7","abstract_canon_sha256":"521ef481a75518c0006c1295f5e40f16266eb8eca3f9a6cc0e9818b0f1735914"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:45:08.235161Z","signature_b64":"G3XS8ms/aDLV6EkLSCHCf+/ZOUab38gt3pofGiSnnNuG0nu8cw5FxnUZXhl5b0nlHc7F7DsEtZSDQsLqu+LWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59ce7e502ac62927f8449a138e6641d67a61b4799675e8988d90916f42dd6f89","last_reissued_at":"2026-07-05T00:45:08.234722Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:45:08.234722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Shear Destruction of Frictional Aging and Memory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"cond-mat.soft","authors_text":"Sam Dillavou, Shmuel M Rubinstein","submitted_at":"2019-08-07T15:14:19Z","abstract_excerpt":"We simultaneously measure the static friction and the real area of contact between two solid bodies. Under static conditions both quantities increase logarithmically in time, a phenomenon coined aging. Indeed, frictional strength is traditionally considered equivalent to the real area of contact. Here we show that this equivalence breaks down when a static shear load is applied during aging. The addition of such a shear load accelerates frictional aging while the aging rate of the real area of contact is unaffected. Moreover, a negative static shear - pulling instead of pushing - slows frictio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02676","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/1908.02676/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":"1908.02676","created_at":"2026-07-05T00:45:08.234793+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.02676v1","created_at":"2026-07-05T00:45:08.234793+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02676","created_at":"2026-07-05T00:45:08.234793+00:00"},{"alias_kind":"pith_short_12","alias_value":"LHHH4UBKYYUS","created_at":"2026-07-05T00:45:08.234793+00:00"},{"alias_kind":"pith_short_16","alias_value":"LHHH4UBKYYUSP6CE","created_at":"2026-07-05T00:45:08.234793+00:00"},{"alias_kind":"pith_short_8","alias_value":"LHHH4UBK","created_at":"2026-07-05T00:45:08.234793+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.02676","citing_title":"Shear Destruction of Frictional Aging and Memory","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z","json":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z.json","graph_json":"https://pith.science/api/pith-number/LHHH4UBKYYUSP6CETIJY4ZSB2Z/graph.json","events_json":"https://pith.science/api/pith-number/LHHH4UBKYYUSP6CETIJY4ZSB2Z/events.json","paper":"https://pith.science/paper/LHHH4UBK"},"agent_actions":{"view_html":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z","download_json":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z.json","view_paper":"https://pith.science/paper/LHHH4UBK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.02676&json=true","fetch_graph":"https://pith.science/api/pith-number/LHHH4UBKYYUSP6CETIJY4ZSB2Z/graph.json","fetch_events":"https://pith.science/api/pith-number/LHHH4UBKYYUSP6CETIJY4ZSB2Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z/action/storage_attestation","attest_author":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z/action/author_attestation","sign_citation":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z/action/citation_signature","submit_replication":"https://pith.science/pith/LHHH4UBKYYUSP6CETIJY4ZSB2Z/action/replication_record"}},"created_at":"2026-07-05T00:45:08.234793+00:00","updated_at":"2026-07-05T00:45:08.234793+00:00"}