{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:H3HPHHHPQL3UXVDYGYUJMWZXFI","short_pith_number":"pith:H3HPHHHP","canonical_record":{"source":{"id":"2202.00173","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-01T01:09:31Z","cross_cats_sorted":[],"title_canon_sha256":"feaf9910a58b7a99fa5db350ccec3450b450c69b0c54c37573e1142eeb99c626","abstract_canon_sha256":"1960a19099ff16f5042a73edb6cac9899ffee730efff0fdecc38bd51aa3a5f3f"},"schema_version":"1.0"},"canonical_sha256":"3ecef39cef82f74bd4783628965b372a2dd14f70a296b40428def3dba666de66","source":{"kind":"arxiv","id":"2202.00173","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.00173","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"arxiv_version","alias_value":"2202.00173v2","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.00173","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"pith_short_12","alias_value":"H3HPHHHPQL3U","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"pith_short_16","alias_value":"H3HPHHHPQL3UXVDY","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"pith_short_8","alias_value":"H3HPHHHP","created_at":"2026-07-05T03:56:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:H3HPHHHPQL3UXVDYGYUJMWZXFI","target":"record","payload":{"canonical_record":{"source":{"id":"2202.00173","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-01T01:09:31Z","cross_cats_sorted":[],"title_canon_sha256":"feaf9910a58b7a99fa5db350ccec3450b450c69b0c54c37573e1142eeb99c626","abstract_canon_sha256":"1960a19099ff16f5042a73edb6cac9899ffee730efff0fdecc38bd51aa3a5f3f"},"schema_version":"1.0"},"canonical_sha256":"3ecef39cef82f74bd4783628965b372a2dd14f70a296b40428def3dba666de66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:56:54.360081Z","signature_b64":"fPPBPanbdZeodiVKFIkpfh/Mos5MlIxAi0KVjd41/xWluY0HM5AlgpMzTWe/6WTpchgwqf+XCSFYu8fjR6IMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ecef39cef82f74bd4783628965b372a2dd14f70a296b40428def3dba666de66","last_reissued_at":"2026-07-05T03:56:54.359671Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:56:54.359671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.00173","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:56:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/t1wKscRyb4BzxqzOtZV8+Kc2xXKCqAyPsX0B91/hZrbO4pOaEukSY/ZxpI6egEcPuDo2Mtb5I3wq4Vs4W1iCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:37:12.231418Z"},"content_sha256":"e9d5c869d55972ab584185e04f14eba72ceb0cae40a96a8abca27e24ee0680c0","schema_version":"1.0","event_id":"sha256:e9d5c869d55972ab584185e04f14eba72ceb0cae40a96a8abca27e24ee0680c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:H3HPHHHPQL3UXVDYGYUJMWZXFI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Industry Experiences with Large-Scale Refactoring","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Chris Seifried, Christopher S. Timperley, Ipek Ozkaya, James Ivers, Marouane Kessentini, Robert L. Nord","submitted_at":"2022-02-01T01:09:31Z","abstract_excerpt":"Software refactoring plays an important role in software engineering. Developers often turn to refactoring when they want to restructure software to improve its quality without changing its external behavior. Studies show that small-scale (floss) refactoring is common in industry and can often be performed by a single developer in short sessions, even though developers do much of this work manually instead of using refactoring tools. However, some refactoring efforts are much larger in scale, requiring entire teams and months of effort, and the role of tools in these efforts is not as well stu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.00173","kind":"arxiv","version":2},"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/2202.00173/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":"2026-07-05T03:56:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VC+EW0QMa5f6iev+PFskQqb716u/RAV2TErCe46KqnYPW+YdSF6k8OC9GdRQxuDweoJCtB6qNKaRoWoQuIzKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:37:12.231795Z"},"content_sha256":"99a7a9f9482b92751e05f3da58a016659de8c3f6bfe1bd8dadda0b6b0de0b764","schema_version":"1.0","event_id":"sha256:99a7a9f9482b92751e05f3da58a016659de8c3f6bfe1bd8dadda0b6b0de0b764"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI/bundle.json","state_url":"https://pith.science/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI/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":"2026-07-07T13:37:12Z","links":{"resolver":"https://pith.science/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI","bundle":"https://pith.science/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI/bundle.json","state":"https://pith.science/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H3HPHHHPQL3UXVDYGYUJMWZXFI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:H3HPHHHPQL3UXVDYGYUJMWZXFI","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":"1960a19099ff16f5042a73edb6cac9899ffee730efff0fdecc38bd51aa3a5f3f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-01T01:09:31Z","title_canon_sha256":"feaf9910a58b7a99fa5db350ccec3450b450c69b0c54c37573e1142eeb99c626"},"schema_version":"1.0","source":{"id":"2202.00173","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.00173","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"arxiv_version","alias_value":"2202.00173v2","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.00173","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"pith_short_12","alias_value":"H3HPHHHPQL3U","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"pith_short_16","alias_value":"H3HPHHHPQL3UXVDY","created_at":"2026-07-05T03:56:54Z"},{"alias_kind":"pith_short_8","alias_value":"H3HPHHHP","created_at":"2026-07-05T03:56:54Z"}],"graph_snapshots":[{"event_id":"sha256:99a7a9f9482b92751e05f3da58a016659de8c3f6bfe1bd8dadda0b6b0de0b764","target":"graph","created_at":"2026-07-05T03:56:54Z","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/2202.00173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Software refactoring plays an important role in software engineering. Developers often turn to refactoring when they want to restructure software to improve its quality without changing its external behavior. Studies show that small-scale (floss) refactoring is common in industry and can often be performed by a single developer in short sessions, even though developers do much of this work manually instead of using refactoring tools. However, some refactoring efforts are much larger in scale, requiring entire teams and months of effort, and the role of tools in these efforts is not as well stu","authors_text":"Chris Seifried, Christopher S. Timperley, Ipek Ozkaya, James Ivers, Marouane Kessentini, Robert L. Nord","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-01T01:09:31Z","title":"Industry Experiences with Large-Scale Refactoring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.00173","kind":"arxiv","version":2},"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:e9d5c869d55972ab584185e04f14eba72ceb0cae40a96a8abca27e24ee0680c0","target":"record","created_at":"2026-07-05T03:56:54Z","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":"1960a19099ff16f5042a73edb6cac9899ffee730efff0fdecc38bd51aa3a5f3f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2022-02-01T01:09:31Z","title_canon_sha256":"feaf9910a58b7a99fa5db350ccec3450b450c69b0c54c37573e1142eeb99c626"},"schema_version":"1.0","source":{"id":"2202.00173","kind":"arxiv","version":2}},"canonical_sha256":"3ecef39cef82f74bd4783628965b372a2dd14f70a296b40428def3dba666de66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ecef39cef82f74bd4783628965b372a2dd14f70a296b40428def3dba666de66","first_computed_at":"2026-07-05T03:56:54.359671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:56:54.359671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fPPBPanbdZeodiVKFIkpfh/Mos5MlIxAi0KVjd41/xWluY0HM5AlgpMzTWe/6WTpchgwqf+XCSFYu8fjR6IMBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:56:54.360081Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.00173","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9d5c869d55972ab584185e04f14eba72ceb0cae40a96a8abca27e24ee0680c0","sha256:99a7a9f9482b92751e05f3da58a016659de8c3f6bfe1bd8dadda0b6b0de0b764"],"state_sha256":"7455cdc9d1593f8dacd608d33015dc63f8e834b4721d6a9378bdfd2a30ad61b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ODTZEKzlVOTu8GudMemKfic84NRKB2wBP3XvoB411SxYVQjnmOGle1YoKxwnnAM3dVd8lDZw9BGFu2znvHaCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:37:12.233719Z","bundle_sha256":"1095007a85270de713dba86d3d9ed9ecf1b75753a231d0edf5fb458eed8a0802"}}