{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:L465D7V3XUOZPRVEKIOCH75K7W","short_pith_number":"pith:L465D7V3","canonical_record":{"source":{"id":"2202.11840","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-24T00:27:56Z","cross_cats_sorted":[],"title_canon_sha256":"3a5fc1c2d6cede9f2f0559bf502a8cd6cb547c343d1d112f153150ca2c300845","abstract_canon_sha256":"6a8473b7f2a13c20c98fdabae4a48cea0e0ad5a73b9ca3e1e633166ca5466552"},"schema_version":"1.0"},"canonical_sha256":"5f3dd1febbbd1d97c6a4521c23ffaafdbeca48c2d417a5328a43c1c0a98f68ae","source":{"kind":"arxiv","id":"2202.11840","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.11840","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"arxiv_version","alias_value":"2202.11840v1","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.11840","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"pith_short_12","alias_value":"L465D7V3XUOZ","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"pith_short_16","alias_value":"L465D7V3XUOZPRVE","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"pith_short_8","alias_value":"L465D7V3","created_at":"2026-07-05T03:59:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:L465D7V3XUOZPRVEKIOCH75K7W","target":"record","payload":{"canonical_record":{"source":{"id":"2202.11840","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-24T00:27:56Z","cross_cats_sorted":[],"title_canon_sha256":"3a5fc1c2d6cede9f2f0559bf502a8cd6cb547c343d1d112f153150ca2c300845","abstract_canon_sha256":"6a8473b7f2a13c20c98fdabae4a48cea0e0ad5a73b9ca3e1e633166ca5466552"},"schema_version":"1.0"},"canonical_sha256":"5f3dd1febbbd1d97c6a4521c23ffaafdbeca48c2d417a5328a43c1c0a98f68ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:59:46.836990Z","signature_b64":"S5za5bliWmsXn9OCzQbAhR3Ms0aLKYvWx+jgeA8UyE5z+IWanHfyLqRd+5gOK7OqnEqX77uSFOX6lwxmfK7iAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f3dd1febbbd1d97c6a4521c23ffaafdbeca48c2d417a5328a43c1c0a98f68ae","last_reissued_at":"2026-07-05T03:59:46.836540Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:59:46.836540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.11840","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":"2026-07-05T03:59:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hide2F06QiUTE1QaldMtwTX7mEO0l1yEakmvZMBk9D4cNFDd1J9N11GBvrG31967kc8ok7XsYBzdPQHzj47ACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:57:00.222523Z"},"content_sha256":"75f9810956bec5ce183742f92cb89dd589f90ab6365742d06f6606c09ef8d976","schema_version":"1.0","event_id":"sha256:75f9810956bec5ce183742f92cb89dd589f90ab6365742d06f6606c09ef8d976"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:L465D7V3XUOZPRVEKIOCH75K7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scalpel: The Python Static Analysis Framework","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Haowei Quan, Jiawei Wang, Li Li","submitted_at":"2022-02-24T00:27:56Z","abstract_excerpt":"Despite being the most popular programming language, Python has not yet received enough attention from the community. To the best of our knowledge, there is no general static analysis framework proposed to facilitate the implementation of dedicated Python static analyzers. To fill this gap, we design and implement such a framework (named Scalpel) and make it publicly available as an open-source project. The Scalpel framework has already integrated a number of fundamental static analysis functions (e.g., call graph constructions, control-flow graph constructions, alias analysis, etc.) that are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.11840","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/2202.11840/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":"2026-07-05T03:59:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4f7zic5Y5c8E9gutaQcjCCPKuKyhUTad2IsAAEr7t7nFB2pphLwd9hKOV7Ip/EF4nfB+mJy3zwYbud6vgA8UDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:57:00.223018Z"},"content_sha256":"4aa6f8bb2248e5f96b91a32eeecb98aa8e5742f924b3a57029ec70cccbea2e01","schema_version":"1.0","event_id":"sha256:4aa6f8bb2248e5f96b91a32eeecb98aa8e5742f924b3a57029ec70cccbea2e01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L465D7V3XUOZPRVEKIOCH75K7W/bundle.json","state_url":"https://pith.science/pith/L465D7V3XUOZPRVEKIOCH75K7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L465D7V3XUOZPRVEKIOCH75K7W/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":"2026-08-10T05:57:00Z","links":{"resolver":"https://pith.science/pith/L465D7V3XUOZPRVEKIOCH75K7W","bundle":"https://pith.science/pith/L465D7V3XUOZPRVEKIOCH75K7W/bundle.json","state":"https://pith.science/pith/L465D7V3XUOZPRVEKIOCH75K7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L465D7V3XUOZPRVEKIOCH75K7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:L465D7V3XUOZPRVEKIOCH75K7W","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":"6a8473b7f2a13c20c98fdabae4a48cea0e0ad5a73b9ca3e1e633166ca5466552","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-24T00:27:56Z","title_canon_sha256":"3a5fc1c2d6cede9f2f0559bf502a8cd6cb547c343d1d112f153150ca2c300845"},"schema_version":"1.0","source":{"id":"2202.11840","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.11840","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"arxiv_version","alias_value":"2202.11840v1","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.11840","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"pith_short_12","alias_value":"L465D7V3XUOZ","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"pith_short_16","alias_value":"L465D7V3XUOZPRVE","created_at":"2026-07-05T03:59:46Z"},{"alias_kind":"pith_short_8","alias_value":"L465D7V3","created_at":"2026-07-05T03:59:46Z"}],"graph_snapshots":[{"event_id":"sha256:4aa6f8bb2248e5f96b91a32eeecb98aa8e5742f924b3a57029ec70cccbea2e01","target":"graph","created_at":"2026-07-05T03:59:46Z","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/2202.11840/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite being the most popular programming language, Python has not yet received enough attention from the community. To the best of our knowledge, there is no general static analysis framework proposed to facilitate the implementation of dedicated Python static analyzers. To fill this gap, we design and implement such a framework (named Scalpel) and make it publicly available as an open-source project. The Scalpel framework has already integrated a number of fundamental static analysis functions (e.g., call graph constructions, control-flow graph constructions, alias analysis, etc.) that are ","authors_text":"Haowei Quan, Jiawei Wang, Li Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-24T00:27:56Z","title":"Scalpel: The Python Static Analysis Framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.11840","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":"sha256:75f9810956bec5ce183742f92cb89dd589f90ab6365742d06f6606c09ef8d976","target":"record","created_at":"2026-07-05T03:59:46Z","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":"6a8473b7f2a13c20c98fdabae4a48cea0e0ad5a73b9ca3e1e633166ca5466552","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-24T00:27:56Z","title_canon_sha256":"3a5fc1c2d6cede9f2f0559bf502a8cd6cb547c343d1d112f153150ca2c300845"},"schema_version":"1.0","source":{"id":"2202.11840","kind":"arxiv","version":1}},"canonical_sha256":"5f3dd1febbbd1d97c6a4521c23ffaafdbeca48c2d417a5328a43c1c0a98f68ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f3dd1febbbd1d97c6a4521c23ffaafdbeca48c2d417a5328a43c1c0a98f68ae","first_computed_at":"2026-07-05T03:59:46.836540Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:59:46.836540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S5za5bliWmsXn9OCzQbAhR3Ms0aLKYvWx+jgeA8UyE5z+IWanHfyLqRd+5gOK7OqnEqX77uSFOX6lwxmfK7iAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:59:46.836990Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.11840","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75f9810956bec5ce183742f92cb89dd589f90ab6365742d06f6606c09ef8d976","sha256:4aa6f8bb2248e5f96b91a32eeecb98aa8e5742f924b3a57029ec70cccbea2e01"],"state_sha256":"9d7a31167233ba6be4ae1f809701def7e69f354ad44c088ce3835d150cf26214"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mG8ucA13SoKm1edjmgNu9y20gZiAStqtavoUDl+ezz/aqv19Rr42wJ50+HALMTzLr/FX0lnBI/183IK7CucLBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T05:57:00.226328Z","bundle_sha256":"e41b2e70988453cd49498e11f4335696a01448b0ae236188f57a7059d6367f25"}}