{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VXK2H2PFISZOU4ZGTW426APWC7","short_pith_number":"pith:VXK2H2PF","canonical_record":{"source":{"id":"1605.06150","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-05-19T21:34:15Z","cross_cats_sorted":[],"title_canon_sha256":"315a0f909acc2a93263271c75fba98d5adaad6cc684ec5b4e813531c577c417f","abstract_canon_sha256":"a6e05168d8ab2eaea8d303fde5db8973171e7ef173a2fb25aa8b6713916a2525"},"schema_version":"1.0"},"canonical_sha256":"add5a3e9e544b2ea73269db9af01f617d58056101774d0186204fe67f30d413b","source":{"kind":"arxiv","id":"1605.06150","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06150","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06150v1","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06150","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"pith_short_12","alias_value":"VXK2H2PFISZO","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VXK2H2PFISZOU4ZG","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VXK2H2PF","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VXK2H2PFISZOU4ZGTW426APWC7","target":"record","payload":{"canonical_record":{"source":{"id":"1605.06150","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-05-19T21:34:15Z","cross_cats_sorted":[],"title_canon_sha256":"315a0f909acc2a93263271c75fba98d5adaad6cc684ec5b4e813531c577c417f","abstract_canon_sha256":"a6e05168d8ab2eaea8d303fde5db8973171e7ef173a2fb25aa8b6713916a2525"},"schema_version":"1.0"},"canonical_sha256":"add5a3e9e544b2ea73269db9af01f617d58056101774d0186204fe67f30d413b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:19.833920Z","signature_b64":"Z8J++IDAWuWSCy+/6yHwqOkmvaHQreZFQs68FiCIcqQU/KXKK70AS14e6AiaoOMO8RMCWP91fSKjh4sj8ozVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"add5a3e9e544b2ea73269db9af01f617d58056101774d0186204fe67f30d413b","last_reissued_at":"2026-05-18T01:14:19.833412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:19.833412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.06150","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":"2026-05-18T01:14:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sS8DTLrs95594ifcf3siXSOBvqrFxwgftxZdcjxYS5f9Yh6TxWGCzgH+3yyBegmHHr5sSCRK0+OOyPpeK5eVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:25:07.315003Z"},"content_sha256":"2ac2c0d918dba255502078c8f78e2ce4fcea87a259e85ee91e98472647941ca1","schema_version":"1.0","event_id":"sha256:2ac2c0d918dba255502078c8f78e2ce4fcea87a259e85ee91e98472647941ca1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VXK2H2PFISZOU4ZGTW426APWC7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finding Needles in the Haystack: Harnessing Syslogs for Data Center Management","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Chen Liang, Partha Kanuparthy, Theophilus Benson, Yihua He","submitted_at":"2016-05-19T21:34:15Z","abstract_excerpt":"Network device syslogs are ubiquitous and abundant in modern data centers with most large data centers producing millions of messages per day. Yet, the operational information reflected in syslogs and their implications on diagnosis or management tasks are poorly understood. Prevalent approaches to understanding syslogs focus on simple correlation and abnormality detection and are often limited to detection providing little insight towards diagnosis and resolution.\n  Towards improving data center operations, we propose and implement Log-Prophet, a system that applies a toolbox of statistical t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06150","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":"2026-05-18T01:14:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9GmZpCK2F8GnXtF2c0SIqcK2tpyi6mzprsTo7DqigBIvZiPdS6wq9iytHXxXtzTFu5xH/gDOy5HDqxovj/nmBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:25:07.315706Z"},"content_sha256":"d22c2e6f1e0b67726a12549105f20cf8ab8d18913a8ec0483c6dd11ae7ed87f3","schema_version":"1.0","event_id":"sha256:d22c2e6f1e0b67726a12549105f20cf8ab8d18913a8ec0483c6dd11ae7ed87f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VXK2H2PFISZOU4ZGTW426APWC7/bundle.json","state_url":"https://pith.science/pith/VXK2H2PFISZOU4ZGTW426APWC7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VXK2H2PFISZOU4ZGTW426APWC7/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":"2026-05-25T13:25:07Z","links":{"resolver":"https://pith.science/pith/VXK2H2PFISZOU4ZGTW426APWC7","bundle":"https://pith.science/pith/VXK2H2PFISZOU4ZGTW426APWC7/bundle.json","state":"https://pith.science/pith/VXK2H2PFISZOU4ZGTW426APWC7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VXK2H2PFISZOU4ZGTW426APWC7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VXK2H2PFISZOU4ZGTW426APWC7","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":"a6e05168d8ab2eaea8d303fde5db8973171e7ef173a2fb25aa8b6713916a2525","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-05-19T21:34:15Z","title_canon_sha256":"315a0f909acc2a93263271c75fba98d5adaad6cc684ec5b4e813531c577c417f"},"schema_version":"1.0","source":{"id":"1605.06150","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06150","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06150v1","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06150","created_at":"2026-05-18T01:14:19Z"},{"alias_kind":"pith_short_12","alias_value":"VXK2H2PFISZO","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VXK2H2PFISZOU4ZG","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VXK2H2PF","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:d22c2e6f1e0b67726a12549105f20cf8ab8d18913a8ec0483c6dd11ae7ed87f3","target":"graph","created_at":"2026-05-18T01:14:19Z","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"},"paper":{"abstract_excerpt":"Network device syslogs are ubiquitous and abundant in modern data centers with most large data centers producing millions of messages per day. Yet, the operational information reflected in syslogs and their implications on diagnosis or management tasks are poorly understood. Prevalent approaches to understanding syslogs focus on simple correlation and abnormality detection and are often limited to detection providing little insight towards diagnosis and resolution.\n  Towards improving data center operations, we propose and implement Log-Prophet, a system that applies a toolbox of statistical t","authors_text":"Chen Liang, Partha Kanuparthy, Theophilus Benson, Yihua He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-05-19T21:34:15Z","title":"Finding Needles in the Haystack: Harnessing Syslogs for Data Center Management"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06150","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":"sha256:2ac2c0d918dba255502078c8f78e2ce4fcea87a259e85ee91e98472647941ca1","target":"record","created_at":"2026-05-18T01:14:19Z","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":"a6e05168d8ab2eaea8d303fde5db8973171e7ef173a2fb25aa8b6713916a2525","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-05-19T21:34:15Z","title_canon_sha256":"315a0f909acc2a93263271c75fba98d5adaad6cc684ec5b4e813531c577c417f"},"schema_version":"1.0","source":{"id":"1605.06150","kind":"arxiv","version":1}},"canonical_sha256":"add5a3e9e544b2ea73269db9af01f617d58056101774d0186204fe67f30d413b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"add5a3e9e544b2ea73269db9af01f617d58056101774d0186204fe67f30d413b","first_computed_at":"2026-05-18T01:14:19.833412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:19.833412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z8J++IDAWuWSCy+/6yHwqOkmvaHQreZFQs68FiCIcqQU/KXKK70AS14e6AiaoOMO8RMCWP91fSKjh4sj8ozVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:19.833920Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06150","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ac2c0d918dba255502078c8f78e2ce4fcea87a259e85ee91e98472647941ca1","sha256:d22c2e6f1e0b67726a12549105f20cf8ab8d18913a8ec0483c6dd11ae7ed87f3"],"state_sha256":"77cf2ac122c3f2af36f1df2e081276afe7d3df32b94e245facf5e00f011be46c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kJeDGbFnWQZPb+YIIuvzGU9PDziIrTtGZZMM4QJTCbHkceygOTXA8uavW9ptw0AYw+W+Y0ZENWgfreTHqHHoCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T13:25:07.319532Z","bundle_sha256":"f0229dc20a789abd449257cc2aeb82ec071879251051b0280cd3a37f67992e89"}}