{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZXHGVXVVR6MVW7BLV35NF5EMKM","short_pith_number":"pith:ZXHGVXVV","canonical_record":{"source":{"id":"2511.06807","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-11-10T07:49:44Z","cross_cats_sorted":["cond-mat.stat-mech","physics.app-ph"],"title_canon_sha256":"676d7ecf0a83f430ec7888ca4f8e68c10f98c5498a7bb61dded981d7b5e97b20","abstract_canon_sha256":"cc0ec666e7ca109be701d8182cf7aced365d66bf64f919f8281028083c4d4680"},"schema_version":"1.0"},"canonical_sha256":"cdce6adeb58f995b7c2baefad2f48c5329289480f9ffb01c1edff49111f374d7","source":{"kind":"arxiv","id":"2511.06807","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.06807","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"arxiv_version","alias_value":"2511.06807v2","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.06807","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZXHGVXVVR6MV","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"pith_short_16","alias_value":"ZXHGVXVVR6MVW7BL","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"pith_short_8","alias_value":"ZXHGVXVV","created_at":"2026-06-01T01:02:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZXHGVXVVR6MVW7BLV35NF5EMKM","target":"record","payload":{"canonical_record":{"source":{"id":"2511.06807","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-11-10T07:49:44Z","cross_cats_sorted":["cond-mat.stat-mech","physics.app-ph"],"title_canon_sha256":"676d7ecf0a83f430ec7888ca4f8e68c10f98c5498a7bb61dded981d7b5e97b20","abstract_canon_sha256":"cc0ec666e7ca109be701d8182cf7aced365d66bf64f919f8281028083c4d4680"},"schema_version":"1.0"},"canonical_sha256":"cdce6adeb58f995b7c2baefad2f48c5329289480f9ffb01c1edff49111f374d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-01T01:02:25.148746Z","signature_b64":"3YrcLbl6L9+e8VUHRsreVrwlltuWYzd0dMZy4ulUAH2cE+psB3C4hOGqXHZhek79575BmdRP9TWwcHovkJ0iDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cdce6adeb58f995b7c2baefad2f48c5329289480f9ffb01c1edff49111f374d7","last_reissued_at":"2026-06-01T01:02:25.147725Z","signature_status":"signed_v1","first_computed_at":"2026-06-01T01:02:25.147725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2511.06807","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-01T01:02:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XaWEOURlg8ADwChGz9sK8gQruJkx7rkqQpLRY30GjqLw34kaDOOQG6URIVW0QMTr+EuZ6whJFpoKnLdzgmyAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:36:08.553448Z"},"content_sha256":"d12e9142544d8c24f2984a0e65418d4f9d1e4e14807f4a095c8044911adcd17c","schema_version":"1.0","event_id":"sha256:d12e9142544d8c24f2984a0e65418d4f9d1e4e14807f4a095c8044911adcd17c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZXHGVXVVR6MVW7BLV35NF5EMKM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anomalous Enhancement of Yield Strength due to Static Friction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.app-ph"],"primary_cat":"cond-mat.soft","authors_text":"Marie Tani, Ryudo Suzuki, Shin-ichi Sasa, Takashi Matsushima, Tetsuo Yamaguchi","submitted_at":"2025-11-10T07:49:44Z","abstract_excerpt":"Friction is fundamental to mechanical stability across scales, from geological faults and architectural structures to granular materials and animal feet. We study the mechanical stability of a minimal friction-stabilized structure composed of three cylindrical particles arranged in a triangular stack on a floor under gravity. We analyze the yield force, defined as the threshold compressive force applied quasi-statically from above at which the structure collapses due to sliding at the floor contact. Using singular perturbation analysis, we derive an expression which quantitatively predicts the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.06807","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/2511.06807/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":"2026-06-01T01:02:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P/1wIn9X5ZyMqcW3kzx3CuHO38EWRVnmdly1zJ7x+en19I15pU8nu8cAhUg8h/odj1zq6FaR+IcQleM4lYtbDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:36:08.553826Z"},"content_sha256":"ea3fb9927d3ce32176742a065823a01b8332103f86ce10cef7a5a4bcf0f5a593","schema_version":"1.0","event_id":"sha256:ea3fb9927d3ce32176742a065823a01b8332103f86ce10cef7a5a4bcf0f5a593"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM/bundle.json","state_url":"https://pith.science/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM/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":"2026-06-03T12:36:08Z","links":{"resolver":"https://pith.science/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM","bundle":"https://pith.science/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM/bundle.json","state":"https://pith.science/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZXHGVXVVR6MVW7BLV35NF5EMKM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZXHGVXVVR6MVW7BLV35NF5EMKM","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":"cc0ec666e7ca109be701d8182cf7aced365d66bf64f919f8281028083c4d4680","cross_cats_sorted":["cond-mat.stat-mech","physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-11-10T07:49:44Z","title_canon_sha256":"676d7ecf0a83f430ec7888ca4f8e68c10f98c5498a7bb61dded981d7b5e97b20"},"schema_version":"1.0","source":{"id":"2511.06807","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.06807","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"arxiv_version","alias_value":"2511.06807v2","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.06807","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZXHGVXVVR6MV","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"pith_short_16","alias_value":"ZXHGVXVVR6MVW7BL","created_at":"2026-06-01T01:02:25Z"},{"alias_kind":"pith_short_8","alias_value":"ZXHGVXVV","created_at":"2026-06-01T01:02:25Z"}],"graph_snapshots":[{"event_id":"sha256:ea3fb9927d3ce32176742a065823a01b8332103f86ce10cef7a5a4bcf0f5a593","target":"graph","created_at":"2026-06-01T01:02:25Z","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/2511.06807/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Friction is fundamental to mechanical stability across scales, from geological faults and architectural structures to granular materials and animal feet. We study the mechanical stability of a minimal friction-stabilized structure composed of three cylindrical particles arranged in a triangular stack on a floor under gravity. We analyze the yield force, defined as the threshold compressive force applied quasi-statically from above at which the structure collapses due to sliding at the floor contact. Using singular perturbation analysis, we derive an expression which quantitatively predicts the","authors_text":"Marie Tani, Ryudo Suzuki, Shin-ichi Sasa, Takashi Matsushima, Tetsuo Yamaguchi","cross_cats":["cond-mat.stat-mech","physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-11-10T07:49:44Z","title":"Anomalous Enhancement of Yield Strength due to Static Friction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.06807","kind":"arxiv","version":2},"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:d12e9142544d8c24f2984a0e65418d4f9d1e4e14807f4a095c8044911adcd17c","target":"record","created_at":"2026-06-01T01:02:25Z","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":"cc0ec666e7ca109be701d8182cf7aced365d66bf64f919f8281028083c4d4680","cross_cats_sorted":["cond-mat.stat-mech","physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-11-10T07:49:44Z","title_canon_sha256":"676d7ecf0a83f430ec7888ca4f8e68c10f98c5498a7bb61dded981d7b5e97b20"},"schema_version":"1.0","source":{"id":"2511.06807","kind":"arxiv","version":2}},"canonical_sha256":"cdce6adeb58f995b7c2baefad2f48c5329289480f9ffb01c1edff49111f374d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cdce6adeb58f995b7c2baefad2f48c5329289480f9ffb01c1edff49111f374d7","first_computed_at":"2026-06-01T01:02:25.147725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-01T01:02:25.147725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3YrcLbl6L9+e8VUHRsreVrwlltuWYzd0dMZy4ulUAH2cE+psB3C4hOGqXHZhek79575BmdRP9TWwcHovkJ0iDg==","signature_status":"signed_v1","signed_at":"2026-06-01T01:02:25.148746Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.06807","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d12e9142544d8c24f2984a0e65418d4f9d1e4e14807f4a095c8044911adcd17c","sha256:ea3fb9927d3ce32176742a065823a01b8332103f86ce10cef7a5a4bcf0f5a593"],"state_sha256":"7fa9842ae6198b7daedf382626bb0a32190b22ca98c9f5c75472709ff7af5e23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TbjFertXxzCyKG/5RxpwlpOkFNtXeEvb+mszJfS2i81zcOtFXfSTBV+/uH7If2G2M17Q4UwP6SAqSQ/fstZEBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:36:08.555937Z","bundle_sha256":"ba6726d9b472f76bd155abe78610bc09de4c88c34275a15655fa2d28f2833ed7"}}