{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:RRZXSOFOT7TWWIG4HE2B6MDFHK","short_pith_number":"pith:RRZXSOFO","canonical_record":{"source":{"id":"2606.00626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-30T09:00:25Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.class-ph"],"title_canon_sha256":"014d0614d825a76a5c94afb967585dcc3957ff913859d380a240b8285951f668","abstract_canon_sha256":"9d10f1c7a26a686c01346ecbe3c7901cce841786e9cedb15005c251af2e16a57"},"schema_version":"1.0"},"canonical_sha256":"8c737938ae9fe76b20dc39341f30653a9971544913842dbca0eb31da74dd9a29","source":{"kind":"arxiv","id":"2606.00626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.00626","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"2606.00626v1","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.00626","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"RRZXSOFOT7TW","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"pith_short_16","alias_value":"RRZXSOFOT7TWWIG4","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"pith_short_8","alias_value":"RRZXSOFO","created_at":"2026-06-02T01:04:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:RRZXSOFOT7TWWIG4HE2B6MDFHK","target":"record","payload":{"canonical_record":{"source":{"id":"2606.00626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-30T09:00:25Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.class-ph"],"title_canon_sha256":"014d0614d825a76a5c94afb967585dcc3957ff913859d380a240b8285951f668","abstract_canon_sha256":"9d10f1c7a26a686c01346ecbe3c7901cce841786e9cedb15005c251af2e16a57"},"schema_version":"1.0"},"canonical_sha256":"8c737938ae9fe76b20dc39341f30653a9971544913842dbca0eb31da74dd9a29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T01:04:00.210873Z","signature_b64":"Pf6nEUv8nVlbjPrJ7fwTTGFAfIrKxwiTqqHIsjxeBlEz56HFYy1UafEY4T2Lv8K6ALkahAOaIP6NJbnhZlmWBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c737938ae9fe76b20dc39341f30653a9971544913842dbca0eb31da74dd9a29","last_reissued_at":"2026-06-02T01:04:00.210461Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T01:04:00.210461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.00626","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":"2026-06-02T01:04:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qvSgHk1F7r4eBw8dSu5Fms1B4Tb8x/ugXRVgoLGMv60laAxXkna/UaqNTkr+LrgDWbPsKIM9NhGL0JtNUFsmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T09:38:48.366064Z"},"content_sha256":"a4c42a0d74fbc83b3fc63e171265d7d7439d11de0583be55b9a1bfd3799d247d","schema_version":"1.0","event_id":"sha256:a4c42a0d74fbc83b3fc63e171265d7d7439d11de0583be55b9a1bfd3799d247d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:RRZXSOFOT7TWWIG4HE2B6MDFHK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sliding contact creates universal self-affine fractal surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.class-ph"],"primary_cat":"cond-mat.soft","authors_text":"Adriane Clerc, B.N.J. Persson, Feng Zhou, Guilhem Mollon, Haohao Ren, Ruibin Xu, Wenbo Sheng","submitted_at":"2026-05-30T09:00:25Z","abstract_excerpt":"Surface roughness evolves during sliding, a process known as run-in, and the resulting topography controls friction, leakage, and failure from machines to geological faults. Yet the physical rule selecting this state remains unclear. We show that metals, rocks, and glasses develop universal self-similar roughness at short wavelengths, while retaining a material-dependent roll-off. A two-process model explains this behavior: junction formation and rupture drive universal roughening, whereas larger-scale deformation and/or fracture limit its growth."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.00626","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/2606.00626/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-02T01:04:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DUNhBOAvwGlUg1R6mw/TxZp4gr9lAeaaV7W5S6+rul8oryBS/X6nURU769xmvq5mXL1mMkpqSFJLtlw36HoiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T09:38:48.366782Z"},"content_sha256":"1b15ff0f8258b7c39c766a9dcbcb9519727c217065fa4c266984b39f6ffb8628","schema_version":"1.0","event_id":"sha256:1b15ff0f8258b7c39c766a9dcbcb9519727c217065fa4c266984b39f6ffb8628"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK/bundle.json","state_url":"https://pith.science/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK/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":"2026-07-01T09:38:48Z","links":{"resolver":"https://pith.science/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK","bundle":"https://pith.science/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK/bundle.json","state":"https://pith.science/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RRZXSOFOT7TWWIG4HE2B6MDFHK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RRZXSOFOT7TWWIG4HE2B6MDFHK","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":"9d10f1c7a26a686c01346ecbe3c7901cce841786e9cedb15005c251af2e16a57","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-30T09:00:25Z","title_canon_sha256":"014d0614d825a76a5c94afb967585dcc3957ff913859d380a240b8285951f668"},"schema_version":"1.0","source":{"id":"2606.00626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.00626","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"2606.00626v1","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.00626","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"RRZXSOFOT7TW","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"pith_short_16","alias_value":"RRZXSOFOT7TWWIG4","created_at":"2026-06-02T01:04:00Z"},{"alias_kind":"pith_short_8","alias_value":"RRZXSOFO","created_at":"2026-06-02T01:04:00Z"}],"graph_snapshots":[{"event_id":"sha256:1b15ff0f8258b7c39c766a9dcbcb9519727c217065fa4c266984b39f6ffb8628","target":"graph","created_at":"2026-06-02T01:04:00Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.00626/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Surface roughness evolves during sliding, a process known as run-in, and the resulting topography controls friction, leakage, and failure from machines to geological faults. Yet the physical rule selecting this state remains unclear. We show that metals, rocks, and glasses develop universal self-similar roughness at short wavelengths, while retaining a material-dependent roll-off. A two-process model explains this behavior: junction formation and rupture drive universal roughening, whereas larger-scale deformation and/or fracture limit its growth.","authors_text":"Adriane Clerc, B.N.J. Persson, Feng Zhou, Guilhem Mollon, Haohao Ren, Ruibin Xu, Wenbo Sheng","cross_cats":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-30T09:00:25Z","title":"Sliding contact creates universal self-affine fractal surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.00626","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:a4c42a0d74fbc83b3fc63e171265d7d7439d11de0583be55b9a1bfd3799d247d","target":"record","created_at":"2026-06-02T01:04:00Z","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":"9d10f1c7a26a686c01346ecbe3c7901cce841786e9cedb15005c251af2e16a57","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.stat-mech","physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-30T09:00:25Z","title_canon_sha256":"014d0614d825a76a5c94afb967585dcc3957ff913859d380a240b8285951f668"},"schema_version":"1.0","source":{"id":"2606.00626","kind":"arxiv","version":1}},"canonical_sha256":"8c737938ae9fe76b20dc39341f30653a9971544913842dbca0eb31da74dd9a29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c737938ae9fe76b20dc39341f30653a9971544913842dbca0eb31da74dd9a29","first_computed_at":"2026-06-02T01:04:00.210461Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:04:00.210461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pf6nEUv8nVlbjPrJ7fwTTGFAfIrKxwiTqqHIsjxeBlEz56HFYy1UafEY4T2Lv8K6ALkahAOaIP6NJbnhZlmWBA==","signature_status":"signed_v1","signed_at":"2026-06-02T01:04:00.210873Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.00626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4c42a0d74fbc83b3fc63e171265d7d7439d11de0583be55b9a1bfd3799d247d","sha256:1b15ff0f8258b7c39c766a9dcbcb9519727c217065fa4c266984b39f6ffb8628"],"state_sha256":"4fe26b2dda532180a2b6cfe8fced46661695d3fb221f6967b5b5e35ac9a8f95a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wQ8ToaVjNu2hpL/O82P/6Bl7CgAwlqW0empheXlON9XcJmw9jyhAj6R9rkUV01Qx81K7FlNzNnMp0wJAcqdgBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T09:38:48.369968Z","bundle_sha256":"11626e75a93ab60c291ee79ea94dba6aaf2cc74b83d4ac5170a43c2eca8e2902"}}