{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:OHIDXPTXSDIUG5SSNZLKXT5ELX","short_pith_number":"pith:OHIDXPTX","canonical_record":{"source":{"id":"2608.01648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T03:38:37Z","cross_cats_sorted":[],"title_canon_sha256":"2b4b81491a8e6fd4cda6eaec64b6db14f2ab092c3f5b42f31c6d557095efda04","abstract_canon_sha256":"f5670dde0fc8e4a18e220f7a265790ec621d760f40e992661b644d547f1b5f30"},"schema_version":"1.0"},"canonical_sha256":"71d03bbe7790d14376526e56abcfa45dd98f0a5e38ceb095b97c5266b41f15ed","source":{"kind":"arxiv","id":"2608.01648","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.01648","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"2608.01648v1","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.01648","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"OHIDXPTXSDIU","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"OHIDXPTXSDIUG5SS","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"OHIDXPTX","created_at":"2026-08-04T02:06:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:OHIDXPTXSDIUG5SSNZLKXT5ELX","target":"record","payload":{"canonical_record":{"source":{"id":"2608.01648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T03:38:37Z","cross_cats_sorted":[],"title_canon_sha256":"2b4b81491a8e6fd4cda6eaec64b6db14f2ab092c3f5b42f31c6d557095efda04","abstract_canon_sha256":"f5670dde0fc8e4a18e220f7a265790ec621d760f40e992661b644d547f1b5f30"},"schema_version":"1.0"},"canonical_sha256":"71d03bbe7790d14376526e56abcfa45dd98f0a5e38ceb095b97c5266b41f15ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T02:06:19.973018Z","signature_b64":"ugp+GySMrEcREsevyehxhFgvWKckIPtRQpbgoG4NuKSKRcKyfNkatrMAXxhN6lo4sBLkWgGbyXZVv/TB/OpkDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71d03bbe7790d14376526e56abcfa45dd98f0a5e38ceb095b97c5266b41f15ed","last_reissued_at":"2026-08-04T02:06:19.971348Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T02:06:19.971348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.01648","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":"2026-08-04T02:06:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aaPG47mv2+rBzeYhevXvxfOdYJ8w/q7BebyBZ4Ebp1rQ2lSMVoh0q+tmnoH4yh0or49hxM0X5qgAscjB9eDYAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:54:01.945371Z"},"content_sha256":"bb476d658c246eda6d6e8d8bd837d69f5d1d78afdaa4bdab1a222505dccd1b57","schema_version":"1.0","event_id":"sha256:bb476d658c246eda6d6e8d8bd837d69f5d1d78afdaa4bdab1a222505dccd1b57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:OHIDXPTXSDIUG5SSNZLKXT5ELX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluating Forecasting Techniques for Hardware Errors on a Large-scale HPC System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Christopher D. Carothers, Kaiyuan Liao, Kevin Brown, Kwan-Liu Ma, Tanwi Mallick, Xiwei Xuan","submitted_at":"2026-08-03T03:38:37Z","abstract_excerpt":"Hardware error logs in high-performance computing (HPC) systems provide early signals of abnormal behavior, yet there remain challenges in effectively forecasting these errors using modern predictive methods. This work investigates the boundaries of applying time series forecasting to HPC hardware error dynamics. We use seven years of production logs from the Theta supercomputer to evaluate the predictive efficacy of classical statistical and deep learning models. Our results show that forecasting effectiveness depends strongly on the temporal structure of the error series: regularly occurring"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.01648","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/2608.01648/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":"2026-08-04T02:06:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fT5UYA6sSzLqjr64i7SXkvsG96cKdQb6KmzTvIpplU/7fWRPgkCC0eTJTKTYnMPT6C9gS4olIEWfhCPbymroAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:54:01.945890Z"},"content_sha256":"8dfd171cb0bf0fa63753a82750af5cf93631240704489fd7d89ac07837128d73","schema_version":"1.0","event_id":"sha256:8dfd171cb0bf0fa63753a82750af5cf93631240704489fd7d89ac07837128d73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX/bundle.json","state_url":"https://pith.science/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX/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":"2026-08-05T09:54:01Z","links":{"resolver":"https://pith.science/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX","bundle":"https://pith.science/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX/bundle.json","state":"https://pith.science/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OHIDXPTXSDIUG5SSNZLKXT5ELX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:OHIDXPTXSDIUG5SSNZLKXT5ELX","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":"f5670dde0fc8e4a18e220f7a265790ec621d760f40e992661b644d547f1b5f30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T03:38:37Z","title_canon_sha256":"2b4b81491a8e6fd4cda6eaec64b6db14f2ab092c3f5b42f31c6d557095efda04"},"schema_version":"1.0","source":{"id":"2608.01648","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.01648","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"2608.01648v1","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.01648","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"OHIDXPTXSDIU","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"OHIDXPTXSDIUG5SS","created_at":"2026-08-04T02:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"OHIDXPTX","created_at":"2026-08-04T02:06:19Z"}],"graph_snapshots":[{"event_id":"sha256:8dfd171cb0bf0fa63753a82750af5cf93631240704489fd7d89ac07837128d73","target":"graph","created_at":"2026-08-04T02:06:19Z","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/2608.01648/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hardware error logs in high-performance computing (HPC) systems provide early signals of abnormal behavior, yet there remain challenges in effectively forecasting these errors using modern predictive methods. This work investigates the boundaries of applying time series forecasting to HPC hardware error dynamics. We use seven years of production logs from the Theta supercomputer to evaluate the predictive efficacy of classical statistical and deep learning models. Our results show that forecasting effectiveness depends strongly on the temporal structure of the error series: regularly occurring","authors_text":"Christopher D. Carothers, Kaiyuan Liao, Kevin Brown, Kwan-Liu Ma, Tanwi Mallick, Xiwei Xuan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T03:38:37Z","title":"Evaluating Forecasting Techniques for Hardware Errors on a Large-scale HPC System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.01648","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:bb476d658c246eda6d6e8d8bd837d69f5d1d78afdaa4bdab1a222505dccd1b57","target":"record","created_at":"2026-08-04T02:06:19Z","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":"f5670dde0fc8e4a18e220f7a265790ec621d760f40e992661b644d547f1b5f30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T03:38:37Z","title_canon_sha256":"2b4b81491a8e6fd4cda6eaec64b6db14f2ab092c3f5b42f31c6d557095efda04"},"schema_version":"1.0","source":{"id":"2608.01648","kind":"arxiv","version":1}},"canonical_sha256":"71d03bbe7790d14376526e56abcfa45dd98f0a5e38ceb095b97c5266b41f15ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71d03bbe7790d14376526e56abcfa45dd98f0a5e38ceb095b97c5266b41f15ed","first_computed_at":"2026-08-04T02:06:19.971348Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T02:06:19.971348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ugp+GySMrEcREsevyehxhFgvWKckIPtRQpbgoG4NuKSKRcKyfNkatrMAXxhN6lo4sBLkWgGbyXZVv/TB/OpkDA==","signature_status":"signed_v1","signed_at":"2026-08-04T02:06:19.973018Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.01648","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb476d658c246eda6d6e8d8bd837d69f5d1d78afdaa4bdab1a222505dccd1b57","sha256:8dfd171cb0bf0fa63753a82750af5cf93631240704489fd7d89ac07837128d73"],"state_sha256":"9fa4f74d8f114a65c44a710bf0579f0dd9e4e606cbcb4ae9fee1c6b56d9ef5ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qjuqU3pc8Ug9r23An4olsDFkBky2CtKlvRXwK9+QSvY0eXpj5RHy2qKGqb4hIy8SY+ZUUX9Y2dlG8AP/BPPRDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:54:01.948828Z","bundle_sha256":"4d5941fec7c592df7e1899c53704802de5a5540f5cc6404c0a58fb9dfc4b94a6"}}