{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:IVF7CNWVVNT46MNVKGTHZG3GTR","short_pith_number":"pith:IVF7CNWV","canonical_record":{"source":{"id":"2607.08273","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-09T09:16:36Z","cross_cats_sorted":[],"title_canon_sha256":"25fba95a19c9d831de26f0f48825206b7867d0adfec74468eea49d73926a0d6c","abstract_canon_sha256":"6bf8a0d8f549bacb35c50c7428b4e329416d7a29c1191b21759fcc549f56889f"},"schema_version":"1.0"},"canonical_sha256":"454bf136d5ab67cf31b551a67c9b669c5c1f7bde652160d6f61e2df2eb84ac76","source":{"kind":"arxiv","id":"2607.08273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.08273","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"arxiv_version","alias_value":"2607.08273v1","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.08273","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"pith_short_12","alias_value":"IVF7CNWVVNT4","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"pith_short_16","alias_value":"IVF7CNWVVNT46MNV","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"pith_short_8","alias_value":"IVF7CNWV","created_at":"2026-07-10T01:19:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:IVF7CNWVVNT46MNVKGTHZG3GTR","target":"record","payload":{"canonical_record":{"source":{"id":"2607.08273","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-09T09:16:36Z","cross_cats_sorted":[],"title_canon_sha256":"25fba95a19c9d831de26f0f48825206b7867d0adfec74468eea49d73926a0d6c","abstract_canon_sha256":"6bf8a0d8f549bacb35c50c7428b4e329416d7a29c1191b21759fcc549f56889f"},"schema_version":"1.0"},"canonical_sha256":"454bf136d5ab67cf31b551a67c9b669c5c1f7bde652160d6f61e2df2eb84ac76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-10T01:19:31.549636Z","signature_b64":"N85U0vjqQcqTP5Qadigk45tWpvEPXa8F8AETcXX5nFIUyjwLvCYSLwQEPZzCvTZDq7E1V2CCUgifp3xivgxyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"454bf136d5ab67cf31b551a67c9b669c5c1f7bde652160d6f61e2df2eb84ac76","last_reissued_at":"2026-07-10T01:19:31.549281Z","signature_status":"signed_v1","first_computed_at":"2026-07-10T01:19:31.549281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.08273","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":"2026-07-10T01:19:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5kxsVuWTvaT4df7biGE22PBBSUSHnu6cTFuMF6tT33Hjit/29ROhv53NS9WFa39CtAHzvTU5DkPgZU/aMVp4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:09:13.438589Z"},"content_sha256":"9df12e81104df93f5dafe932b1633611c0c7f45aba8ffd97e8a181a6635a88bd","schema_version":"1.0","event_id":"sha256:9df12e81104df93f5dafe932b1633611c0c7f45aba8ffd97e8a181a6635a88bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:IVF7CNWVVNT46MNVKGTHZG3GTR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Empirical Calibration and Conditional-Reliability Diagnostics for Bearing RUL Prediction under Operating-Regime Shift","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Jun Wang, Shaoliang Yang, Yunsheng Wang","submitted_at":"2026-07-09T09:16:36Z","abstract_excerpt":"Remaining useful life (RUL) estimates support reliability and maintenance decisions only if both point accuracy and prediction intervals remain trustworthy when operating conditions change. Convenient mixed splits can hide that failure. This paper studies the question on a documented 10-bearing PHME subset with time-varying load and speed. Derived load-speed regimes define the held-out evaluation units, while models receive only measured load and speed as context. A calibrated predictive-representation model fuses raw vibration windows, engineered descriptors, and operating context, then forms"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.08273","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/2607.08273/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":"2026-07-10T01:19:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5CZuoa94KQrB0reiSx1yL/wGxMRmez6g/cFGIrhKbEV9lmxgi9ka5eOEyoc1gFaq3YXHBpDLh+ay9+bMzt9qCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:09:13.439306Z"},"content_sha256":"b4dd6cc684fd9ed7bea77ebf48afb4dcfbfe850165e2b32812ad8f1b12cb0ae5","schema_version":"1.0","event_id":"sha256:b4dd6cc684fd9ed7bea77ebf48afb4dcfbfe850165e2b32812ad8f1b12cb0ae5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVF7CNWVVNT46MNVKGTHZG3GTR/bundle.json","state_url":"https://pith.science/pith/IVF7CNWVVNT46MNVKGTHZG3GTR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVF7CNWVVNT46MNVKGTHZG3GTR/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":"2026-08-04T17:09:13Z","links":{"resolver":"https://pith.science/pith/IVF7CNWVVNT46MNVKGTHZG3GTR","bundle":"https://pith.science/pith/IVF7CNWVVNT46MNVKGTHZG3GTR/bundle.json","state":"https://pith.science/pith/IVF7CNWVVNT46MNVKGTHZG3GTR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVF7CNWVVNT46MNVKGTHZG3GTR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:IVF7CNWVVNT46MNVKGTHZG3GTR","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":"6bf8a0d8f549bacb35c50c7428b4e329416d7a29c1191b21759fcc549f56889f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-09T09:16:36Z","title_canon_sha256":"25fba95a19c9d831de26f0f48825206b7867d0adfec74468eea49d73926a0d6c"},"schema_version":"1.0","source":{"id":"2607.08273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.08273","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"arxiv_version","alias_value":"2607.08273v1","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.08273","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"pith_short_12","alias_value":"IVF7CNWVVNT4","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"pith_short_16","alias_value":"IVF7CNWVVNT46MNV","created_at":"2026-07-10T01:19:31Z"},{"alias_kind":"pith_short_8","alias_value":"IVF7CNWV","created_at":"2026-07-10T01:19:31Z"}],"graph_snapshots":[{"event_id":"sha256:b4dd6cc684fd9ed7bea77ebf48afb4dcfbfe850165e2b32812ad8f1b12cb0ae5","target":"graph","created_at":"2026-07-10T01:19:31Z","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/2607.08273/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Remaining useful life (RUL) estimates support reliability and maintenance decisions only if both point accuracy and prediction intervals remain trustworthy when operating conditions change. Convenient mixed splits can hide that failure. This paper studies the question on a documented 10-bearing PHME subset with time-varying load and speed. Derived load-speed regimes define the held-out evaluation units, while models receive only measured load and speed as context. A calibrated predictive-representation model fuses raw vibration windows, engineered descriptors, and operating context, then forms","authors_text":"Jun Wang, Shaoliang Yang, Yunsheng Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-09T09:16:36Z","title":"Empirical Calibration and Conditional-Reliability Diagnostics for Bearing RUL Prediction under Operating-Regime Shift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.08273","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":"sha256:9df12e81104df93f5dafe932b1633611c0c7f45aba8ffd97e8a181a6635a88bd","target":"record","created_at":"2026-07-10T01:19:31Z","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":"6bf8a0d8f549bacb35c50c7428b4e329416d7a29c1191b21759fcc549f56889f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-09T09:16:36Z","title_canon_sha256":"25fba95a19c9d831de26f0f48825206b7867d0adfec74468eea49d73926a0d6c"},"schema_version":"1.0","source":{"id":"2607.08273","kind":"arxiv","version":1}},"canonical_sha256":"454bf136d5ab67cf31b551a67c9b669c5c1f7bde652160d6f61e2df2eb84ac76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"454bf136d5ab67cf31b551a67c9b669c5c1f7bde652160d6f61e2df2eb84ac76","first_computed_at":"2026-07-10T01:19:31.549281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-10T01:19:31.549281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N85U0vjqQcqTP5Qadigk45tWpvEPXa8F8AETcXX5nFIUyjwLvCYSLwQEPZzCvTZDq7E1V2CCUgifp3xivgxyCg==","signature_status":"signed_v1","signed_at":"2026-07-10T01:19:31.549636Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.08273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9df12e81104df93f5dafe932b1633611c0c7f45aba8ffd97e8a181a6635a88bd","sha256:b4dd6cc684fd9ed7bea77ebf48afb4dcfbfe850165e2b32812ad8f1b12cb0ae5"],"state_sha256":"a9767e68769da1898dfd0a7d8edab87a7d11bf40920237147f4bff038b17ef48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6OVW33A4pHRQ7osLWfCR30xGnQHTd5h4h4JsLuYde80nB6Mw/MVpWJJ3xKDkaaaiA02hhy9B0+XrrSHRIPrFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T17:09:13.444535Z","bundle_sha256":"4616af2d0b7df1a2bdc4792dd870beccbf523a3971f77663fe3631694be9b643"}}