{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5RPEHXRF6RRDH53NYQQUS4QT4A","short_pith_number":"pith:5RPEHXRF","canonical_record":{"source":{"id":"1601.07962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2016-01-29T01:48:40Z","cross_cats_sorted":[],"title_canon_sha256":"6f6cf51070e6f33e863acc4e2a1ba63e147243615967043395c49ef705f65f3f","abstract_canon_sha256":"aaa12ec394a2c614fc69b232c5a28eb129272efe67f74ec5b138aa564bc336bd"},"schema_version":"1.0"},"canonical_sha256":"ec5e43de25f46233f76dc421497213e03ebd27d22c2c8d8654631f3e908fd38d","source":{"kind":"arxiv","id":"1601.07962","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07962","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07962v1","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07962","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"5RPEHXRF6RRD","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5RPEHXRF6RRDH53N","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5RPEHXRF","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5RPEHXRF6RRDH53NYQQUS4QT4A","target":"record","payload":{"canonical_record":{"source":{"id":"1601.07962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2016-01-29T01:48:40Z","cross_cats_sorted":[],"title_canon_sha256":"6f6cf51070e6f33e863acc4e2a1ba63e147243615967043395c49ef705f65f3f","abstract_canon_sha256":"aaa12ec394a2c614fc69b232c5a28eb129272efe67f74ec5b138aa564bc336bd"},"schema_version":"1.0"},"canonical_sha256":"ec5e43de25f46233f76dc421497213e03ebd27d22c2c8d8654631f3e908fd38d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:41.399421Z","signature_b64":"N9wox/JqmndEWf11VfiJQxsYm6DHufgUocCWL3MjPb2VOW/ZAmWnGwdHJVPFtmMHYz9HfjECam0SUZJRrBFnDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec5e43de25f46233f76dc421497213e03ebd27d22c2c8d8654631f3e908fd38d","last_reissued_at":"2026-05-18T01:21:41.398859Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:41.398859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.07962","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":"2026-05-18T01:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j7Mpq7HysDejNL7cRwdkI6iEhId3v0KOCFE4eg8Ub0SqyjxSfd4QvH9lVeBV4RJ04k3wrF/zFRlAZ083hTL9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:20:10.241975Z"},"content_sha256":"8f26695c9c1d03ad323a3a84486d9cf89ba382501ec8556a0a984244b12ab4f4","schema_version":"1.0","event_id":"sha256:8f26695c9c1d03ad323a3a84486d9cf89ba382501ec8556a0a984244b12ab4f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5RPEHXRF6RRDH53NYQQUS4QT4A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DoubleTake: Fast and Precise Error Detection via Evidence-Based Dynamic Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Charlie Curtsinger, Emery D. Berger, Tongping Liu","submitted_at":"2016-01-29T01:48:40Z","abstract_excerpt":"This paper presents evidence-based dynamic analysis, an approach that enables lightweight analyses--under 5% overhead for these bugs--making it practical for the first time to perform these analyses in deployed settings. The key insight of evidence-based dynamic analysis is that for a class of errors, it is possible to ensure that evidence that they happened at some point in the past remains for later detection. Evidence-based dynamic analysis allows execution to proceed at nearly full speed until the end of an epoch (e.g., a heavyweight system call). It then examines program state to check fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07962","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":"2026-05-18T01:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DMI9ZIMuCfk60S1fiT+az92TNs3eP9244Kvvty7CA7yGMPt/SnwGd+pEeybS9MrMO6MRv6H2tlRck3ceqdidDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:20:10.242338Z"},"content_sha256":"b023e79e94d558e1f537fec60d4b985a2cd554166abc97615d579ee75a0ee38e","schema_version":"1.0","event_id":"sha256:b023e79e94d558e1f537fec60d4b985a2cd554166abc97615d579ee75a0ee38e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RPEHXRF6RRDH53NYQQUS4QT4A/bundle.json","state_url":"https://pith.science/pith/5RPEHXRF6RRDH53NYQQUS4QT4A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RPEHXRF6RRDH53NYQQUS4QT4A/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":"2026-05-31T03:20:10Z","links":{"resolver":"https://pith.science/pith/5RPEHXRF6RRDH53NYQQUS4QT4A","bundle":"https://pith.science/pith/5RPEHXRF6RRDH53NYQQUS4QT4A/bundle.json","state":"https://pith.science/pith/5RPEHXRF6RRDH53NYQQUS4QT4A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RPEHXRF6RRDH53NYQQUS4QT4A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5RPEHXRF6RRDH53NYQQUS4QT4A","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":"aaa12ec394a2c614fc69b232c5a28eb129272efe67f74ec5b138aa564bc336bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2016-01-29T01:48:40Z","title_canon_sha256":"6f6cf51070e6f33e863acc4e2a1ba63e147243615967043395c49ef705f65f3f"},"schema_version":"1.0","source":{"id":"1601.07962","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07962","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07962v1","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07962","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"5RPEHXRF6RRD","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5RPEHXRF6RRDH53N","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5RPEHXRF","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:b023e79e94d558e1f537fec60d4b985a2cd554166abc97615d579ee75a0ee38e","target":"graph","created_at":"2026-05-18T01:21:41Z","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":"This paper presents evidence-based dynamic analysis, an approach that enables lightweight analyses--under 5% overhead for these bugs--making it practical for the first time to perform these analyses in deployed settings. The key insight of evidence-based dynamic analysis is that for a class of errors, it is possible to ensure that evidence that they happened at some point in the past remains for later detection. Evidence-based dynamic analysis allows execution to proceed at nearly full speed until the end of an epoch (e.g., a heavyweight system call). It then examines program state to check fo","authors_text":"Charlie Curtsinger, Emery D. Berger, Tongping Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2016-01-29T01:48:40Z","title":"DoubleTake: Fast and Precise Error Detection via Evidence-Based Dynamic Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07962","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":"sha256:8f26695c9c1d03ad323a3a84486d9cf89ba382501ec8556a0a984244b12ab4f4","target":"record","created_at":"2026-05-18T01:21:41Z","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":"aaa12ec394a2c614fc69b232c5a28eb129272efe67f74ec5b138aa564bc336bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2016-01-29T01:48:40Z","title_canon_sha256":"6f6cf51070e6f33e863acc4e2a1ba63e147243615967043395c49ef705f65f3f"},"schema_version":"1.0","source":{"id":"1601.07962","kind":"arxiv","version":1}},"canonical_sha256":"ec5e43de25f46233f76dc421497213e03ebd27d22c2c8d8654631f3e908fd38d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec5e43de25f46233f76dc421497213e03ebd27d22c2c8d8654631f3e908fd38d","first_computed_at":"2026-05-18T01:21:41.398859Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:41.398859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N9wox/JqmndEWf11VfiJQxsYm6DHufgUocCWL3MjPb2VOW/ZAmWnGwdHJVPFtmMHYz9HfjECam0SUZJRrBFnDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:41.399421Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.07962","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f26695c9c1d03ad323a3a84486d9cf89ba382501ec8556a0a984244b12ab4f4","sha256:b023e79e94d558e1f537fec60d4b985a2cd554166abc97615d579ee75a0ee38e"],"state_sha256":"31c4fb327994b7cdcc7f6035966b4249e26ec83be25a3834bb8069aa7c3b7d2c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eZzJwZyNuWkpaPs8f3esKq5x8cyyl6Op+lTvgfAZofQ30P55WcnzUx/mxNG04OAvXnfCvMiBZMos2U3/vhbBBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:20:10.244537Z","bundle_sha256":"6f6fc2084097f30e63d16adc1049fb09dd4402898e211929a8f6b57ca6cc4224"}}