{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GYVKIX3BPM3SR5ZVSTWVJQAHVD","short_pith_number":"pith:GYVKIX3B","canonical_record":{"source":{"id":"1701.02727","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-12-31T13:56:44Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"50a7ee30a7caec7b8639158ffc9182b0d5d2239dc4d6b6dae74938cbe7f583a8","abstract_canon_sha256":"0bf346cfdac3a445f72a65ccbdefcd185083a946cb54423853184f25d5bcaaec"},"schema_version":"1.0"},"canonical_sha256":"362aa45f617b3728f73594ed54c007a8e29dfb61405cc6005e1c4aaa2b0a806a","source":{"kind":"arxiv","id":"1701.02727","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02727","created_at":"2026-05-18T00:46:02Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02727v1","created_at":"2026-05-18T00:46:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02727","created_at":"2026-05-18T00:46:02Z"},{"alias_kind":"pith_short_12","alias_value":"GYVKIX3BPM3S","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GYVKIX3BPM3SR5ZV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GYVKIX3B","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GYVKIX3BPM3SR5ZVSTWVJQAHVD","target":"record","payload":{"canonical_record":{"source":{"id":"1701.02727","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-12-31T13:56:44Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"50a7ee30a7caec7b8639158ffc9182b0d5d2239dc4d6b6dae74938cbe7f583a8","abstract_canon_sha256":"0bf346cfdac3a445f72a65ccbdefcd185083a946cb54423853184f25d5bcaaec"},"schema_version":"1.0"},"canonical_sha256":"362aa45f617b3728f73594ed54c007a8e29dfb61405cc6005e1c4aaa2b0a806a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:02.264640Z","signature_b64":"xScNns3w2F6Cbz3ql4HDr0PsFCMJwEcWQLJFMdzejso/wh5UuX46qCyVCEA8wnvmiubyehLpnzVxfDcMwMY9CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"362aa45f617b3728f73594ed54c007a8e29dfb61405cc6005e1c4aaa2b0a806a","last_reissued_at":"2026-05-18T00:46:02.264128Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:02.264128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.02727","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eRdgcRWlppPRXZ1DfFm2DtNjuZytwmZhlNiXSfYMP96uTy4OhALesPAvoWpCZtcyAFj7Ye8s/biRrou2yxwBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T13:49:48.451758Z"},"content_sha256":"47c378180f127447a40e520127fdb8c83eeb4d5e565536db67fdcd74a5b93c0b","schema_version":"1.0","event_id":"sha256:47c378180f127447a40e520127fdb8c83eeb4d5e565536db67fdcd74a5b93c0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GYVKIX3BPM3SR5ZVSTWVJQAHVD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the accurate computation of the true contact-area in mechanical contact of random rough surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.soft","authors_text":"Guillaume Anciaux, Jean-Francois Molinari, Vladislav A. Yastrebov","submitted_at":"2016-12-31T13:56:44Z","abstract_excerpt":"We introduce a corrective function to compensate errors in contact area computations coming from mesh discretization. The correction is based on geometrical arguments and requires only one additional quantity to be computed: the length of contact/non-contact interfaces. The new technique enables us to evaluate accurately the true contact area using a coarse mesh for which the shortest wavelength in the surface spectrum reaches the grid size. The validity of the approach is demonstrated for surfaces with different fractal dimensions and different spectral content using a properly designed mesh "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02727","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"blSymdBseUwnwbhS+tMYbBjFWiFweuYnsRBvppD8wlmwy3ivQUrERo7CBCObzgIfICh7MiILbNpMrfEMCErSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T13:49:48.452109Z"},"content_sha256":"bb58c7da2df48fb95fd1bf2064eeb76b54688b52881dba594e3fc5f0cfb9af01","schema_version":"1.0","event_id":"sha256:bb58c7da2df48fb95fd1bf2064eeb76b54688b52881dba594e3fc5f0cfb9af01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD/bundle.json","state_url":"https://pith.science/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-23T13:49:48Z","links":{"resolver":"https://pith.science/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD","bundle":"https://pith.science/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD/bundle.json","state":"https://pith.science/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GYVKIX3BPM3SR5ZVSTWVJQAHVD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GYVKIX3BPM3SR5ZVSTWVJQAHVD","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":"0bf346cfdac3a445f72a65ccbdefcd185083a946cb54423853184f25d5bcaaec","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-12-31T13:56:44Z","title_canon_sha256":"50a7ee30a7caec7b8639158ffc9182b0d5d2239dc4d6b6dae74938cbe7f583a8"},"schema_version":"1.0","source":{"id":"1701.02727","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02727","created_at":"2026-05-18T00:46:02Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02727v1","created_at":"2026-05-18T00:46:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02727","created_at":"2026-05-18T00:46:02Z"},{"alias_kind":"pith_short_12","alias_value":"GYVKIX3BPM3S","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GYVKIX3BPM3SR5ZV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GYVKIX3B","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:bb58c7da2df48fb95fd1bf2064eeb76b54688b52881dba594e3fc5f0cfb9af01","target":"graph","created_at":"2026-05-18T00:46:02Z","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"},"paper":{"abstract_excerpt":"We introduce a corrective function to compensate errors in contact area computations coming from mesh discretization. The correction is based on geometrical arguments and requires only one additional quantity to be computed: the length of contact/non-contact interfaces. The new technique enables us to evaluate accurately the true contact area using a coarse mesh for which the shortest wavelength in the surface spectrum reaches the grid size. The validity of the approach is demonstrated for surfaces with different fractal dimensions and different spectral content using a properly designed mesh ","authors_text":"Guillaume Anciaux, Jean-Francois Molinari, Vladislav A. Yastrebov","cross_cats":["physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-12-31T13:56:44Z","title":"On the accurate computation of the true contact-area in mechanical contact of random rough surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02727","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":"sha256:47c378180f127447a40e520127fdb8c83eeb4d5e565536db67fdcd74a5b93c0b","target":"record","created_at":"2026-05-18T00:46:02Z","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":"0bf346cfdac3a445f72a65ccbdefcd185083a946cb54423853184f25d5bcaaec","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-12-31T13:56:44Z","title_canon_sha256":"50a7ee30a7caec7b8639158ffc9182b0d5d2239dc4d6b6dae74938cbe7f583a8"},"schema_version":"1.0","source":{"id":"1701.02727","kind":"arxiv","version":1}},"canonical_sha256":"362aa45f617b3728f73594ed54c007a8e29dfb61405cc6005e1c4aaa2b0a806a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"362aa45f617b3728f73594ed54c007a8e29dfb61405cc6005e1c4aaa2b0a806a","first_computed_at":"2026-05-18T00:46:02.264128Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:02.264128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xScNns3w2F6Cbz3ql4HDr0PsFCMJwEcWQLJFMdzejso/wh5UuX46qCyVCEA8wnvmiubyehLpnzVxfDcMwMY9CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:02.264640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.02727","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47c378180f127447a40e520127fdb8c83eeb4d5e565536db67fdcd74a5b93c0b","sha256:bb58c7da2df48fb95fd1bf2064eeb76b54688b52881dba594e3fc5f0cfb9af01"],"state_sha256":"9d9168b1c4ec920b7477096393e2cf8b9c6046ada7dbdee10d60430da0ec5026"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qVIVvTznVCICdXtbRNIuinowJJPsPP6akNOyTlcwCEL2UeRmnbdgodpQScTTHzdM6VwwTI7mNfP6ZgZuN+UqAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T13:49:48.454117Z","bundle_sha256":"44cb836d41904deb35723df52f3163b3e7b22b8927b3a03ef1333625ca18b1c8"}}