{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:GEKHCJNGUXL3KTTR6YPX6J2AU4","short_pith_number":"pith:GEKHCJNG","canonical_record":{"source":{"id":"2007.15987","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-31T11:51:38Z","cross_cats_sorted":["cs.AI","cs.NE"],"title_canon_sha256":"ff4921624fd3e5a770b380c12a028356cce00ad46e7e3d3f4a4dfcb0bf0b7866","abstract_canon_sha256":"340abd5f855971e3daaa4f5ebb94183ac12f16d672a673b92bff3eae5a6523da"},"schema_version":"1.0"},"canonical_sha256":"31147125a6a5d7b54e71f61f7f2740a702555abfb2526d35d69f1ca16692e3d7","source":{"kind":"arxiv","id":"2007.15987","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.15987","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"arxiv_version","alias_value":"2007.15987v1","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.15987","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"pith_short_12","alias_value":"GEKHCJNGUXL3","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"pith_short_16","alias_value":"GEKHCJNGUXL3KTTR","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"pith_short_8","alias_value":"GEKHCJNG","created_at":"2026-07-05T01:23:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:GEKHCJNGUXL3KTTR6YPX6J2AU4","target":"record","payload":{"canonical_record":{"source":{"id":"2007.15987","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-31T11:51:38Z","cross_cats_sorted":["cs.AI","cs.NE"],"title_canon_sha256":"ff4921624fd3e5a770b380c12a028356cce00ad46e7e3d3f4a4dfcb0bf0b7866","abstract_canon_sha256":"340abd5f855971e3daaa4f5ebb94183ac12f16d672a673b92bff3eae5a6523da"},"schema_version":"1.0"},"canonical_sha256":"31147125a6a5d7b54e71f61f7f2740a702555abfb2526d35d69f1ca16692e3d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:23:40.553201Z","signature_b64":"8j321kQNazbBHXSi9VcRmakPktSh449smwpgUQGEsiOJzE5wkiPjV2jfN69nCVqkAfDV5SksrR8bLtWqjj0DCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31147125a6a5d7b54e71f61f7f2740a702555abfb2526d35d69f1ca16692e3d7","last_reissued_at":"2026-07-05T01:23:40.552739Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:23:40.552739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.15987","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":"2026-07-05T01:23:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZZRkJFdw7Ms+Ghnoh/H1JZOx/uM+cUvJ2Uld2wBUU5UcvJxkSCBxB9X3GEL+7O0IqPU761arPYpFxWQwt1mlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:16:07.948525Z"},"content_sha256":"f3bf51fe13b0564b717b7f74f656402318c62c568c69d7856c6cccbaee120b84","schema_version":"1.0","event_id":"sha256:f3bf51fe13b0564b717b7f74f656402318c62c568c69d7856c6cccbaee120b84"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:GEKHCJNGUXL3KTTR6YPX6J2AU4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Genetic Improvement @ ICSE 2020","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.NE"],"primary_cat":"cs.SE","authors_text":"Aymeric Blot, Bobby R. Bruce, Emily Winter, Erik Fredericks, Justyna Petke, Markus Wagner, Michael Gerten, Michail Basios, Myra B. Cohen, Oliver Krauss, Seongmin Lee, Shin Yoo, Simos Gerasimou, Westley Weimer, William B. Langdon, Yu Huang","submitted_at":"2020-07-31T11:51:38Z","abstract_excerpt":"Following Prof. Mark Harman of Facebook's keynote and formal presentations (which are recorded in the proceedings) there was a wide ranging discussion at the eighth international Genetic Improvement workshop, GI-2020 @ ICSE (held as part of the 42nd ACM/IEEE International Conference on Software Engineering on Friday 3rd July 2020). Topics included industry take up, human factors, explainabiloity (explainability, justifyability, exploitability) and GI benchmarks. We also contrast various recent online approaches (e.g. SBST 2020) to holding virtual computer science conferences and workshops via "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.15987","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/2007.15987/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":"2026-07-05T01:23:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7xEo5SBNE6jpML4q689b/4N+eS7r/v4S1nFdJr0wNvyUO8fOEp3zjf9Ior2oCDu2BsTAq80/bO+ZQROo9sShDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:16:07.949071Z"},"content_sha256":"afef8988a76a9ba9b1776b7b7fe7ea42a3f03de282fe1d8632863591707db8eb","schema_version":"1.0","event_id":"sha256:afef8988a76a9ba9b1776b7b7fe7ea42a3f03de282fe1d8632863591707db8eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4/bundle.json","state_url":"https://pith.science/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4/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":"2026-08-05T07:16:07Z","links":{"resolver":"https://pith.science/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4","bundle":"https://pith.science/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4/bundle.json","state":"https://pith.science/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GEKHCJNGUXL3KTTR6YPX6J2AU4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GEKHCJNGUXL3KTTR6YPX6J2AU4","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":"340abd5f855971e3daaa4f5ebb94183ac12f16d672a673b92bff3eae5a6523da","cross_cats_sorted":["cs.AI","cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-31T11:51:38Z","title_canon_sha256":"ff4921624fd3e5a770b380c12a028356cce00ad46e7e3d3f4a4dfcb0bf0b7866"},"schema_version":"1.0","source":{"id":"2007.15987","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.15987","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"arxiv_version","alias_value":"2007.15987v1","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.15987","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"pith_short_12","alias_value":"GEKHCJNGUXL3","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"pith_short_16","alias_value":"GEKHCJNGUXL3KTTR","created_at":"2026-07-05T01:23:40Z"},{"alias_kind":"pith_short_8","alias_value":"GEKHCJNG","created_at":"2026-07-05T01:23:40Z"}],"graph_snapshots":[{"event_id":"sha256:afef8988a76a9ba9b1776b7b7fe7ea42a3f03de282fe1d8632863591707db8eb","target":"graph","created_at":"2026-07-05T01:23:40Z","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/2007.15987/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Following Prof. Mark Harman of Facebook's keynote and formal presentations (which are recorded in the proceedings) there was a wide ranging discussion at the eighth international Genetic Improvement workshop, GI-2020 @ ICSE (held as part of the 42nd ACM/IEEE International Conference on Software Engineering on Friday 3rd July 2020). Topics included industry take up, human factors, explainabiloity (explainability, justifyability, exploitability) and GI benchmarks. We also contrast various recent online approaches (e.g. SBST 2020) to holding virtual computer science conferences and workshops via ","authors_text":"Aymeric Blot, Bobby R. Bruce, Emily Winter, Erik Fredericks, Justyna Petke, Markus Wagner, Michael Gerten, Michail Basios, Myra B. Cohen, Oliver Krauss, Seongmin Lee, Shin Yoo, Simos Gerasimou, Westley Weimer, William B. Langdon, Yu Huang","cross_cats":["cs.AI","cs.NE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-31T11:51:38Z","title":"Genetic Improvement @ ICSE 2020"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.15987","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:f3bf51fe13b0564b717b7f74f656402318c62c568c69d7856c6cccbaee120b84","target":"record","created_at":"2026-07-05T01:23:40Z","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":"340abd5f855971e3daaa4f5ebb94183ac12f16d672a673b92bff3eae5a6523da","cross_cats_sorted":["cs.AI","cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-31T11:51:38Z","title_canon_sha256":"ff4921624fd3e5a770b380c12a028356cce00ad46e7e3d3f4a4dfcb0bf0b7866"},"schema_version":"1.0","source":{"id":"2007.15987","kind":"arxiv","version":1}},"canonical_sha256":"31147125a6a5d7b54e71f61f7f2740a702555abfb2526d35d69f1ca16692e3d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31147125a6a5d7b54e71f61f7f2740a702555abfb2526d35d69f1ca16692e3d7","first_computed_at":"2026-07-05T01:23:40.552739Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:23:40.552739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8j321kQNazbBHXSi9VcRmakPktSh449smwpgUQGEsiOJzE5wkiPjV2jfN69nCVqkAfDV5SksrR8bLtWqjj0DCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:23:40.553201Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.15987","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3bf51fe13b0564b717b7f74f656402318c62c568c69d7856c6cccbaee120b84","sha256:afef8988a76a9ba9b1776b7b7fe7ea42a3f03de282fe1d8632863591707db8eb"],"state_sha256":"c13b8abad1f28d51ff937820c4c54a34b370c624d979e4e47e54008504f03d68"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gp2kxXC/POMkKD+qYcZvyLGidMKT/MkskRI7hWtBWkiPIUsLBblYD46JY1d3yYF89T+PCxol0VoTWNPozWkdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:16:07.954472Z","bundle_sha256":"032c214dd5a8403714ad9c22961f9f0dc7b42574e9b2234a6e2590f3a7f3a53c"}}