{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YX7Z533RDCWVEOKQSZRE4KNPHN","short_pith_number":"pith:YX7Z533R","canonical_record":{"source":{"id":"1401.4570","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-01-18T17:13:33Z","cross_cats_sorted":[],"title_canon_sha256":"e083d92ac957dfa06b584a60a830af81e27dd5287af511b4da0df60531ee26b2","abstract_canon_sha256":"d82e54776fcbe7c057d01291a9d48b5144d2bc1e3e4379ca541d0def64660673"},"schema_version":"1.0"},"canonical_sha256":"c5ff9eef7118ad52395096624e29af3b6de3589be3c1be8b1b09169055205759","source":{"kind":"arxiv","id":"1401.4570","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4570","created_at":"2026-05-18T03:01:45Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4570v1","created_at":"2026-05-18T03:01:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4570","created_at":"2026-05-18T03:01:45Z"},{"alias_kind":"pith_short_12","alias_value":"YX7Z533RDCWV","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"YX7Z533RDCWVEOKQ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"YX7Z533R","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YX7Z533RDCWVEOKQSZRE4KNPHN","target":"record","payload":{"canonical_record":{"source":{"id":"1401.4570","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-01-18T17:13:33Z","cross_cats_sorted":[],"title_canon_sha256":"e083d92ac957dfa06b584a60a830af81e27dd5287af511b4da0df60531ee26b2","abstract_canon_sha256":"d82e54776fcbe7c057d01291a9d48b5144d2bc1e3e4379ca541d0def64660673"},"schema_version":"1.0"},"canonical_sha256":"c5ff9eef7118ad52395096624e29af3b6de3589be3c1be8b1b09169055205759","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:45.425511Z","signature_b64":"JEeI8mqM7+5Bp6oJH4FxTnn83GU+2leYuR3p+74T5rBcMKteXiAS9jaBvEQKtq+kUtgNcxRZaNN5cPdP1Ss2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5ff9eef7118ad52395096624e29af3b6de3589be3c1be8b1b09169055205759","last_reissued_at":"2026-05-18T03:01:45.424910Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:45.424910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.4570","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":"2026-05-18T03:01:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9TSD/W11Fs/sFMikQgUseuBej52pJcCqaKNwsAH8rTWFiZtGQpuZR9ZBU+G+fYDgno0UGPTkOovzWIfmllbVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:19:47.744499Z"},"content_sha256":"400bb70d7b07dddf02f29b6e244314c85b0a00dd80e94c9141a03c1d7e3321fb","schema_version":"1.0","event_id":"sha256:400bb70d7b07dddf02f29b6e244314c85b0a00dd80e94c9141a03c1d7e3321fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YX7Z533RDCWVEOKQSZRE4KNPHN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting the steady state thickness of passive films in order to prevent degradations of implant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Cis-Ensmse, Digby D. Macdonald (DMSE), Ifresis-Ensmse), Jean Geringer (DdO, LGF-ENSMSE, Mathew L. Taylor (DMSE), STBio-ENSMSE","submitted_at":"2014-01-18T17:13:33Z","abstract_excerpt":"Some implants have approximately a lifetime of 15 years. The femoral stem, for example, should be made of 316L/316LN stainless steel. Fretting corrosion, friction under small displacements, should occur during human gait, due to repeated loadings and un-loadings, between stainless steel and bone for instance. Some experimental investigations of fretting corrosion have been practiced. As well known, metallic alloys and especially stainless steels are covered with a passive film that prevents from the corrosion and degradation. This passive layer of few nanometers, at ambient temperature, is the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4570","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":"2026-05-18T03:01:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lr65lG8rHtG1R2TlZwe0Tp8ZbYeaD812k86o/LTQ+UiXkVKxVBb0gwxQoTQpDSD+brsNIp3vHaLO0X3ZK8UjAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:19:47.745093Z"},"content_sha256":"9bdee550136dee8b816d5621f4707ad7aa9913f2e3badc8ce14a070693b974f0","schema_version":"1.0","event_id":"sha256:9bdee550136dee8b816d5621f4707ad7aa9913f2e3badc8ce14a070693b974f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YX7Z533RDCWVEOKQSZRE4KNPHN/bundle.json","state_url":"https://pith.science/pith/YX7Z533RDCWVEOKQSZRE4KNPHN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YX7Z533RDCWVEOKQSZRE4KNPHN/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":"2026-06-05T19:19:47Z","links":{"resolver":"https://pith.science/pith/YX7Z533RDCWVEOKQSZRE4KNPHN","bundle":"https://pith.science/pith/YX7Z533RDCWVEOKQSZRE4KNPHN/bundle.json","state":"https://pith.science/pith/YX7Z533RDCWVEOKQSZRE4KNPHN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YX7Z533RDCWVEOKQSZRE4KNPHN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YX7Z533RDCWVEOKQSZRE4KNPHN","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":"d82e54776fcbe7c057d01291a9d48b5144d2bc1e3e4379ca541d0def64660673","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-01-18T17:13:33Z","title_canon_sha256":"e083d92ac957dfa06b584a60a830af81e27dd5287af511b4da0df60531ee26b2"},"schema_version":"1.0","source":{"id":"1401.4570","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4570","created_at":"2026-05-18T03:01:45Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4570v1","created_at":"2026-05-18T03:01:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4570","created_at":"2026-05-18T03:01:45Z"},{"alias_kind":"pith_short_12","alias_value":"YX7Z533RDCWV","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"YX7Z533RDCWVEOKQ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"YX7Z533R","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:9bdee550136dee8b816d5621f4707ad7aa9913f2e3badc8ce14a070693b974f0","target":"graph","created_at":"2026-05-18T03:01:45Z","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":"Some implants have approximately a lifetime of 15 years. The femoral stem, for example, should be made of 316L/316LN stainless steel. Fretting corrosion, friction under small displacements, should occur during human gait, due to repeated loadings and un-loadings, between stainless steel and bone for instance. Some experimental investigations of fretting corrosion have been practiced. As well known, metallic alloys and especially stainless steels are covered with a passive film that prevents from the corrosion and degradation. This passive layer of few nanometers, at ambient temperature, is the","authors_text":"Cis-Ensmse, Digby D. Macdonald (DMSE), Ifresis-Ensmse), Jean Geringer (DdO, LGF-ENSMSE, Mathew L. Taylor (DMSE), STBio-ENSMSE","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-01-18T17:13:33Z","title":"Predicting the steady state thickness of passive films in order to prevent degradations of implant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4570","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":"sha256:400bb70d7b07dddf02f29b6e244314c85b0a00dd80e94c9141a03c1d7e3321fb","target":"record","created_at":"2026-05-18T03:01:45Z","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":"d82e54776fcbe7c057d01291a9d48b5144d2bc1e3e4379ca541d0def64660673","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-01-18T17:13:33Z","title_canon_sha256":"e083d92ac957dfa06b584a60a830af81e27dd5287af511b4da0df60531ee26b2"},"schema_version":"1.0","source":{"id":"1401.4570","kind":"arxiv","version":1}},"canonical_sha256":"c5ff9eef7118ad52395096624e29af3b6de3589be3c1be8b1b09169055205759","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5ff9eef7118ad52395096624e29af3b6de3589be3c1be8b1b09169055205759","first_computed_at":"2026-05-18T03:01:45.424910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:45.424910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JEeI8mqM7+5Bp6oJH4FxTnn83GU+2leYuR3p+74T5rBcMKteXiAS9jaBvEQKtq+kUtgNcxRZaNN5cPdP1Ss2AA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:45.425511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.4570","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:400bb70d7b07dddf02f29b6e244314c85b0a00dd80e94c9141a03c1d7e3321fb","sha256:9bdee550136dee8b816d5621f4707ad7aa9913f2e3badc8ce14a070693b974f0"],"state_sha256":"f17b1423dd4658c5bbd4c445bdeaf815a47cd41ba87b597c008d3f14e191c6cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DhD6/B5gfeohy/4r8eIVQbzZdA+vKOWwtgdoDUMIbE6DAoHaDrHsX1MLu+ASl7PN+iYSLGViDB02Yf8ux/f2Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T19:19:47.748853Z","bundle_sha256":"35bdb52fa13cef6152f0f9e50430004ea03d9b420132eea942115d541aa79acb"}}