{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:FMHHVEWAVIFCLAE2GBC5HWASZN","short_pith_number":"pith:FMHHVEWA","canonical_record":{"source":{"id":"2006.12793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2020-06-23T07:02:07Z","cross_cats_sorted":["cs.AI","cs.SI"],"title_canon_sha256":"16233834074cfc0c14c02644fb0482c60e3be1bb45065a7ed1803f6ade0c2cf6","abstract_canon_sha256":"593885086bf27617ce7c14a0fcd3805049623153e2679ece40245d4ba392aea3"},"schema_version":"1.0"},"canonical_sha256":"2b0e7a92c0aa0a25809a3045d3d812cb480a4d5cc8ba495c7ccef69679aa6817","source":{"kind":"arxiv","id":"2006.12793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.12793","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"2006.12793v1","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12793","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"FMHHVEWAVIFC","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"pith_short_16","alias_value":"FMHHVEWAVIFCLAE2","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"pith_short_8","alias_value":"FMHHVEWA","created_at":"2026-07-05T01:13:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:FMHHVEWAVIFCLAE2GBC5HWASZN","target":"record","payload":{"canonical_record":{"source":{"id":"2006.12793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2020-06-23T07:02:07Z","cross_cats_sorted":["cs.AI","cs.SI"],"title_canon_sha256":"16233834074cfc0c14c02644fb0482c60e3be1bb45065a7ed1803f6ade0c2cf6","abstract_canon_sha256":"593885086bf27617ce7c14a0fcd3805049623153e2679ece40245d4ba392aea3"},"schema_version":"1.0"},"canonical_sha256":"2b0e7a92c0aa0a25809a3045d3d812cb480a4d5cc8ba495c7ccef69679aa6817","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:13:12.714437Z","signature_b64":"Qm3XmidYqz2Necsx06VZuxU+abeMze6q4uLTkD4KGWOH4Q4LpfymJs/rwb0ZhkNcBQrTFnDRG/EdIPqpAY/XCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b0e7a92c0aa0a25809a3045d3d812cb480a4d5cc8ba495c7ccef69679aa6817","last_reissued_at":"2026-07-05T01:13:12.713878Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:13:12.713878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.12793","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":"2026-07-05T01:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ao0dJmkBkVWpLglpr0Fk24DxQL3qHF/r1W/w/OsI0Jb/BIBcbzzuq7cPfXoza2Dp0/8vBTG4dKJZYtRRqmRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T23:59:36.933664Z"},"content_sha256":"7507fc2dd58e2c6c4cafdc57041612bd2b27c091c63d706dc454fc14dc0fa012","schema_version":"1.0","event_id":"sha256:7507fc2dd58e2c6c4cafdc57041612bd2b27c091c63d706dc454fc14dc0fa012"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:FMHHVEWAVIFCLAE2GBC5HWASZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lumos: A Library for Diagnosing Metric Regressions in Web-Scale Applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.SI"],"primary_cat":"cs.CY","authors_text":"Ashkan Aazami, Binlong Li, Ebrahim Beyrami, Jamie Pool, Jayant Gupchup, Jeff Rowland, Johannes Gehrke, Pritesh Kanani, Ross Cutler, Vishak Gopal","submitted_at":"2020-06-23T07:02:07Z","abstract_excerpt":"Web-scale applications can ship code on a daily to weekly cadence. These applications rely on online metrics to monitor the health of new releases. Regressions in metric values need to be detected and diagnosed as early as possible to reduce the disruption to users and product owners. Regressions in metrics can surface due to a variety of reasons: genuine product regressions, changes in user population, and bias due to telemetry loss (or processing) are among the common causes. Diagnosing the cause of these metric regressions is costly for engineering teams as they need to invest time in findi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12793","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/2006.12793/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":"2026-07-05T01:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aVoLaaBcid6gm/XC/WDnQ+1f4Ely4vGAI1M0b0HFpLmeGALqF6mqgpRV38xYRDJrxSCgVMqtmf092ZAcs8GyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T23:59:36.934242Z"},"content_sha256":"699968c0425b077e8dd4f39a4433c53ebeaaeee67a0a5d2217978e851001f3fb","schema_version":"1.0","event_id":"sha256:699968c0425b077e8dd4f39a4433c53ebeaaeee67a0a5d2217978e851001f3fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FMHHVEWAVIFCLAE2GBC5HWASZN/bundle.json","state_url":"https://pith.science/pith/FMHHVEWAVIFCLAE2GBC5HWASZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FMHHVEWAVIFCLAE2GBC5HWASZN/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":"2026-08-01T23:59:36Z","links":{"resolver":"https://pith.science/pith/FMHHVEWAVIFCLAE2GBC5HWASZN","bundle":"https://pith.science/pith/FMHHVEWAVIFCLAE2GBC5HWASZN/bundle.json","state":"https://pith.science/pith/FMHHVEWAVIFCLAE2GBC5HWASZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FMHHVEWAVIFCLAE2GBC5HWASZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FMHHVEWAVIFCLAE2GBC5HWASZN","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":"593885086bf27617ce7c14a0fcd3805049623153e2679ece40245d4ba392aea3","cross_cats_sorted":["cs.AI","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2020-06-23T07:02:07Z","title_canon_sha256":"16233834074cfc0c14c02644fb0482c60e3be1bb45065a7ed1803f6ade0c2cf6"},"schema_version":"1.0","source":{"id":"2006.12793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.12793","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"2006.12793v1","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12793","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"FMHHVEWAVIFC","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"pith_short_16","alias_value":"FMHHVEWAVIFCLAE2","created_at":"2026-07-05T01:13:12Z"},{"alias_kind":"pith_short_8","alias_value":"FMHHVEWA","created_at":"2026-07-05T01:13:12Z"}],"graph_snapshots":[{"event_id":"sha256:699968c0425b077e8dd4f39a4433c53ebeaaeee67a0a5d2217978e851001f3fb","target":"graph","created_at":"2026-07-05T01:13:12Z","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/2006.12793/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Web-scale applications can ship code on a daily to weekly cadence. These applications rely on online metrics to monitor the health of new releases. Regressions in metric values need to be detected and diagnosed as early as possible to reduce the disruption to users and product owners. Regressions in metrics can surface due to a variety of reasons: genuine product regressions, changes in user population, and bias due to telemetry loss (or processing) are among the common causes. Diagnosing the cause of these metric regressions is costly for engineering teams as they need to invest time in findi","authors_text":"Ashkan Aazami, Binlong Li, Ebrahim Beyrami, Jamie Pool, Jayant Gupchup, Jeff Rowland, Johannes Gehrke, Pritesh Kanani, Ross Cutler, Vishak Gopal","cross_cats":["cs.AI","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2020-06-23T07:02:07Z","title":"Lumos: A Library for Diagnosing Metric Regressions in Web-Scale Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12793","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":"sha256:7507fc2dd58e2c6c4cafdc57041612bd2b27c091c63d706dc454fc14dc0fa012","target":"record","created_at":"2026-07-05T01:13:12Z","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":"593885086bf27617ce7c14a0fcd3805049623153e2679ece40245d4ba392aea3","cross_cats_sorted":["cs.AI","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2020-06-23T07:02:07Z","title_canon_sha256":"16233834074cfc0c14c02644fb0482c60e3be1bb45065a7ed1803f6ade0c2cf6"},"schema_version":"1.0","source":{"id":"2006.12793","kind":"arxiv","version":1}},"canonical_sha256":"2b0e7a92c0aa0a25809a3045d3d812cb480a4d5cc8ba495c7ccef69679aa6817","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b0e7a92c0aa0a25809a3045d3d812cb480a4d5cc8ba495c7ccef69679aa6817","first_computed_at":"2026-07-05T01:13:12.713878Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:13:12.713878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qm3XmidYqz2Necsx06VZuxU+abeMze6q4uLTkD4KGWOH4Q4LpfymJs/rwb0ZhkNcBQrTFnDRG/EdIPqpAY/XCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:13:12.714437Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.12793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7507fc2dd58e2c6c4cafdc57041612bd2b27c091c63d706dc454fc14dc0fa012","sha256:699968c0425b077e8dd4f39a4433c53ebeaaeee67a0a5d2217978e851001f3fb"],"state_sha256":"16eca736a4bbc21e970aaaac167a96e752ad510f8ee612fc2c525aa74339dd8e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxZ0yYrw224jFBxRlNQGINt/0CSmmf2kOWCX5P/uUQuEJ0CJ68DJ3C1i/nYFlVIpaQk+fwgm1bJ0ubhb+jsJDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T23:59:36.939405Z","bundle_sha256":"abee1f38fbcf471aed695c591dd7635f38a74ca5b4e3790e2294fd021416e433"}}