{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QVIG4XD7PRYKCZVAABWSLBRZDE","short_pith_number":"pith:QVIG4XD7","canonical_record":{"source":{"id":"1807.04485","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2018-07-12T09:05:24Z","cross_cats_sorted":[],"title_canon_sha256":"bdfc9e7b5c65bc03e5be5e5d87678d1fc0f10fee238afb3630f164563f42d2e9","abstract_canon_sha256":"277346b341fe48bcb7da4518c1b7c54a49bdea36b566b3b98090d8b1b380ff95"},"schema_version":"1.0"},"canonical_sha256":"85506e5c7f7c70a166a0006d2586391925d4c991decce30c212ed430eacd8870","source":{"kind":"arxiv","id":"1807.04485","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04485","created_at":"2026-05-18T00:10:53Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04485v1","created_at":"2026-05-18T00:10:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04485","created_at":"2026-05-18T00:10:53Z"},{"alias_kind":"pith_short_12","alias_value":"QVIG4XD7PRYK","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QVIG4XD7PRYKCZVA","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QVIG4XD7","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QVIG4XD7PRYKCZVAABWSLBRZDE","target":"record","payload":{"canonical_record":{"source":{"id":"1807.04485","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2018-07-12T09:05:24Z","cross_cats_sorted":[],"title_canon_sha256":"bdfc9e7b5c65bc03e5be5e5d87678d1fc0f10fee238afb3630f164563f42d2e9","abstract_canon_sha256":"277346b341fe48bcb7da4518c1b7c54a49bdea36b566b3b98090d8b1b380ff95"},"schema_version":"1.0"},"canonical_sha256":"85506e5c7f7c70a166a0006d2586391925d4c991decce30c212ed430eacd8870","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:53.316110Z","signature_b64":"7z6aNgRo8xDA3CTwTGhbLrI4tKxmWVFPDiHWEIrrCbviRlCU1/edk4kiK96A6ZDdt1CnvN4njfdcmAROMGFOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85506e5c7f7c70a166a0006d2586391925d4c991decce30c212ed430eacd8870","last_reissued_at":"2026-05-18T00:10:53.315402Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:53.315402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.04485","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":"2026-05-18T00:10:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dRj6WVjegnK4sNo0Aoh8qvhwv0oETZqzwcTz2iRh6ic1GNZIke9EkG30te4353Je6gpBqtOwtMcHWGdIv/rpAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T05:02:36.500922Z"},"content_sha256":"5b773629042c9ad776338d2c60f500095d8033748205b82fdcb562162475afd0","schema_version":"1.0","event_id":"sha256:5b773629042c9ad776338d2c60f500095d8033748205b82fdcb562162475afd0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QVIG4XD7PRYKCZVAABWSLBRZDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting Usefulness of Code Review Comments using Textual Features and Developer Experience","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Chanchal K. Roy, Mohammad Masudur Rahman, Raula G. Kula","submitted_at":"2018-07-12T09:05:24Z","abstract_excerpt":"Although peer code review is widely adopted in both commercial and open source development, existing studies suggest that such code reviews often contain a significant amount of non-useful review comments. Unfortunately, to date, no tools or techniques exist that can provide automatic support in improving those non-useful comments. In this paper, we first report a comparative study between useful and non-useful review comments where we contrast between them using their textual characteristics, and reviewers' experience. Then, based on the findings from the study, we develop RevHelper, a predic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04485","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":"2026-05-18T00:10:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DXUtmQxgad1V+3Z+uuTwjDKvdeuZIBoWE3ayNIjlJM0aLVoWHHY2UCdMCUYek5deK99IQz9v0YV1ERQqSfY4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T05:02:36.501623Z"},"content_sha256":"da5933067c3aabe01494961198f6492c4c97c50c705d2282387063a0eec31b19","schema_version":"1.0","event_id":"sha256:da5933067c3aabe01494961198f6492c4c97c50c705d2282387063a0eec31b19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVIG4XD7PRYKCZVAABWSLBRZDE/bundle.json","state_url":"https://pith.science/pith/QVIG4XD7PRYKCZVAABWSLBRZDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVIG4XD7PRYKCZVAABWSLBRZDE/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":"2026-06-11T05:02:36Z","links":{"resolver":"https://pith.science/pith/QVIG4XD7PRYKCZVAABWSLBRZDE","bundle":"https://pith.science/pith/QVIG4XD7PRYKCZVAABWSLBRZDE/bundle.json","state":"https://pith.science/pith/QVIG4XD7PRYKCZVAABWSLBRZDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVIG4XD7PRYKCZVAABWSLBRZDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QVIG4XD7PRYKCZVAABWSLBRZDE","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":"277346b341fe48bcb7da4518c1b7c54a49bdea36b566b3b98090d8b1b380ff95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2018-07-12T09:05:24Z","title_canon_sha256":"bdfc9e7b5c65bc03e5be5e5d87678d1fc0f10fee238afb3630f164563f42d2e9"},"schema_version":"1.0","source":{"id":"1807.04485","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04485","created_at":"2026-05-18T00:10:53Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04485v1","created_at":"2026-05-18T00:10:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04485","created_at":"2026-05-18T00:10:53Z"},{"alias_kind":"pith_short_12","alias_value":"QVIG4XD7PRYK","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QVIG4XD7PRYKCZVA","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QVIG4XD7","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:da5933067c3aabe01494961198f6492c4c97c50c705d2282387063a0eec31b19","target":"graph","created_at":"2026-05-18T00:10:53Z","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":"Although peer code review is widely adopted in both commercial and open source development, existing studies suggest that such code reviews often contain a significant amount of non-useful review comments. Unfortunately, to date, no tools or techniques exist that can provide automatic support in improving those non-useful comments. In this paper, we first report a comparative study between useful and non-useful review comments where we contrast between them using their textual characteristics, and reviewers' experience. Then, based on the findings from the study, we develop RevHelper, a predic","authors_text":"Chanchal K. Roy, Mohammad Masudur Rahman, Raula G. Kula","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2018-07-12T09:05:24Z","title":"Predicting Usefulness of Code Review Comments using Textual Features and Developer Experience"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04485","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":"sha256:5b773629042c9ad776338d2c60f500095d8033748205b82fdcb562162475afd0","target":"record","created_at":"2026-05-18T00:10:53Z","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":"277346b341fe48bcb7da4518c1b7c54a49bdea36b566b3b98090d8b1b380ff95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2018-07-12T09:05:24Z","title_canon_sha256":"bdfc9e7b5c65bc03e5be5e5d87678d1fc0f10fee238afb3630f164563f42d2e9"},"schema_version":"1.0","source":{"id":"1807.04485","kind":"arxiv","version":1}},"canonical_sha256":"85506e5c7f7c70a166a0006d2586391925d4c991decce30c212ed430eacd8870","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85506e5c7f7c70a166a0006d2586391925d4c991decce30c212ed430eacd8870","first_computed_at":"2026-05-18T00:10:53.315402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:53.315402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7z6aNgRo8xDA3CTwTGhbLrI4tKxmWVFPDiHWEIrrCbviRlCU1/edk4kiK96A6ZDdt1CnvN4njfdcmAROMGFOCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:53.316110Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.04485","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b773629042c9ad776338d2c60f500095d8033748205b82fdcb562162475afd0","sha256:da5933067c3aabe01494961198f6492c4c97c50c705d2282387063a0eec31b19"],"state_sha256":"8b24e42950e754031ca406d459dbaa5f8d5893ad3f823757f2bbf42059e9f0bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vHiLSxKa9jA4OcDoJZXOcH/TUTxNU7aVLQzR2cQkD/qRKrYCim/YucfiD36ZBDwv/DKjs5vHenFnWkIB+FWWBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T05:02:36.505928Z","bundle_sha256":"9deaf7210a218d9a1972a7e4badf87266c8d7655f1949508b3f8402685cf2dd5"}}