{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6CD5MRJ7CRWZXNXIDB7CR3XBIQ","short_pith_number":"pith:6CD5MRJ7","canonical_record":{"source":{"id":"1911.11690","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-11-26T16:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"33b59b7b59cc4d6ef539be6a959b7aa5e56b08a0d9b56213208e92bbbabc083a","abstract_canon_sha256":"fb15f0d9153cdf2c933463e0839794b5311d43a487f7e6e412101478e7406122"},"schema_version":"1.0"},"canonical_sha256":"f087d6453f146d9bb6e8187e28eee1442d71e8c8d46e2a9b8bb08cb2c941f6b0","source":{"kind":"arxiv","id":"1911.11690","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.11690","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"arxiv_version","alias_value":"1911.11690v1","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.11690","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"pith_short_12","alias_value":"6CD5MRJ7CRWZ","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"pith_short_16","alias_value":"6CD5MRJ7CRWZXNXI","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"pith_short_8","alias_value":"6CD5MRJ7","created_at":"2026-07-05T00:22:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6CD5MRJ7CRWZXNXIDB7CR3XBIQ","target":"record","payload":{"canonical_record":{"source":{"id":"1911.11690","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-11-26T16:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"33b59b7b59cc4d6ef539be6a959b7aa5e56b08a0d9b56213208e92bbbabc083a","abstract_canon_sha256":"fb15f0d9153cdf2c933463e0839794b5311d43a487f7e6e412101478e7406122"},"schema_version":"1.0"},"canonical_sha256":"f087d6453f146d9bb6e8187e28eee1442d71e8c8d46e2a9b8bb08cb2c941f6b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:22:12.439606Z","signature_b64":"4JSNuzTlcExrfHYqvBRXGoBJ/JnCVA34HodWrC/p/ip5OXSaWRWNOmMDQ9hz4RzF7Q2NLHQTjEgbKBCqhau1Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f087d6453f146d9bb6e8187e28eee1442d71e8c8d46e2a9b8bb08cb2c941f6b0","last_reissued_at":"2026-07-05T00:22:12.439148Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:22:12.439148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.11690","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":"2026-07-05T00:22:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6OJBx5QpsArLxlArOGuRS7l9PrZSeE5I6whFMnrvRmsbxSxH4iDHtfVAIX++bDuLNTylYhYgmJC9a+nymuIODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:36:43.523369Z"},"content_sha256":"b2c70b3b7fcca45eecd54dd0ddb5cd6d911974c9eaab34c573da97fdec2e49da","schema_version":"1.0","event_id":"sha256:b2c70b3b7fcca45eecd54dd0ddb5cd6d911974c9eaab34c573da97fdec2e49da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6CD5MRJ7CRWZXNXIDB7CR3XBIQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generating Commit Messages from Git Diffs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"K. Wendel, M. Post, S.R.P. van Hal","submitted_at":"2019-11-26T16:49:48Z","abstract_excerpt":"Commit messages aid developers in their understanding of a continuously evolving codebase. However, developers not always document code changes properly. Automatically generating commit messages would relieve this burden on developers. Recently, a number of different works have demonstrated the feasibility of using methods from neural machine translation to generate commit messages. This work aims to reproduce a prominent research paper in this field, as well as attempt to improve upon their results by proposing a novel preprocessing technique. A reproduction of the reference neural machine tr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.11690","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/1911.11690/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":"2026-07-05T00:22:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PpB4Y6rFRcIxafoKJ6AUSq4aJcsgH9AltpW/0SDFjOC4ryb6lDQqi34umiJyTQdimApZ0WFeXfOQI03ZZYOXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:36:43.524305Z"},"content_sha256":"cfa8c52162e3e222c3bda2ebae6658b423ef88ab2070966184714d4afbf7f6c5","schema_version":"1.0","event_id":"sha256:cfa8c52162e3e222c3bda2ebae6658b423ef88ab2070966184714d4afbf7f6c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ/bundle.json","state_url":"https://pith.science/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ/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":"2026-08-10T09:36:43Z","links":{"resolver":"https://pith.science/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ","bundle":"https://pith.science/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ/bundle.json","state":"https://pith.science/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6CD5MRJ7CRWZXNXIDB7CR3XBIQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6CD5MRJ7CRWZXNXIDB7CR3XBIQ","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":"fb15f0d9153cdf2c933463e0839794b5311d43a487f7e6e412101478e7406122","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-11-26T16:49:48Z","title_canon_sha256":"33b59b7b59cc4d6ef539be6a959b7aa5e56b08a0d9b56213208e92bbbabc083a"},"schema_version":"1.0","source":{"id":"1911.11690","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.11690","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"arxiv_version","alias_value":"1911.11690v1","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.11690","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"pith_short_12","alias_value":"6CD5MRJ7CRWZ","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"pith_short_16","alias_value":"6CD5MRJ7CRWZXNXI","created_at":"2026-07-05T00:22:12Z"},{"alias_kind":"pith_short_8","alias_value":"6CD5MRJ7","created_at":"2026-07-05T00:22:12Z"}],"graph_snapshots":[{"event_id":"sha256:cfa8c52162e3e222c3bda2ebae6658b423ef88ab2070966184714d4afbf7f6c5","target":"graph","created_at":"2026-07-05T00:22:12Z","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/1911.11690/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Commit messages aid developers in their understanding of a continuously evolving codebase. However, developers not always document code changes properly. Automatically generating commit messages would relieve this burden on developers. Recently, a number of different works have demonstrated the feasibility of using methods from neural machine translation to generate commit messages. This work aims to reproduce a prominent research paper in this field, as well as attempt to improve upon their results by proposing a novel preprocessing technique. A reproduction of the reference neural machine tr","authors_text":"K. Wendel, M. Post, S.R.P. van Hal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-11-26T16:49:48Z","title":"Generating Commit Messages from Git Diffs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.11690","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:b2c70b3b7fcca45eecd54dd0ddb5cd6d911974c9eaab34c573da97fdec2e49da","target":"record","created_at":"2026-07-05T00:22:12Z","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":"fb15f0d9153cdf2c933463e0839794b5311d43a487f7e6e412101478e7406122","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-11-26T16:49:48Z","title_canon_sha256":"33b59b7b59cc4d6ef539be6a959b7aa5e56b08a0d9b56213208e92bbbabc083a"},"schema_version":"1.0","source":{"id":"1911.11690","kind":"arxiv","version":1}},"canonical_sha256":"f087d6453f146d9bb6e8187e28eee1442d71e8c8d46e2a9b8bb08cb2c941f6b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f087d6453f146d9bb6e8187e28eee1442d71e8c8d46e2a9b8bb08cb2c941f6b0","first_computed_at":"2026-07-05T00:22:12.439148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:22:12.439148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4JSNuzTlcExrfHYqvBRXGoBJ/JnCVA34HodWrC/p/ip5OXSaWRWNOmMDQ9hz4RzF7Q2NLHQTjEgbKBCqhau1Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:22:12.439606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.11690","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2c70b3b7fcca45eecd54dd0ddb5cd6d911974c9eaab34c573da97fdec2e49da","sha256:cfa8c52162e3e222c3bda2ebae6658b423ef88ab2070966184714d4afbf7f6c5"],"state_sha256":"b10e824a6630694ebb8d63ec0c31201114c57e6f89418e387379b437b5659872"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5rjnr8wSx3dZHY29jJ8F8usvg8KOLWmOYOlcVDNJkdBGkpu3gLtYq4n2M2/DFfrP/jdbyaathV3lNctdhwgZAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T09:36:43.529872Z","bundle_sha256":"05282d3bd43afdb9658fe52df778c30e6c74e083b114813ddc7244873125d368"}}