{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:4BUN4G4C6XBQPZRT4GJ5T76ZP3","short_pith_number":"pith:4BUN4G4C","canonical_record":{"source":{"id":"2404.05846","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2024-04-08T20:25:23Z","cross_cats_sorted":[],"title_canon_sha256":"4f25f51182b4c128651e0daa42797c5d10ffb56d92c7f5f74ae318539d835960","abstract_canon_sha256":"f0cba29c61d8fabc224e4c8c44c30eadc2b3aea67f5c04070287cee3d6ae81d4"},"schema_version":"1.0"},"canonical_sha256":"e068de1b82f5c307e633e193d9ffd97efb2506d20c0f5c9d4cff2aeb5186a21c","source":{"kind":"arxiv","id":"2404.05846","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.05846","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"arxiv_version","alias_value":"2404.05846v2","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.05846","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"pith_short_12","alias_value":"4BUN4G4C6XBQ","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"pith_short_16","alias_value":"4BUN4G4C6XBQPZRT","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"pith_short_8","alias_value":"4BUN4G4C","created_at":"2026-07-05T09:14:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:4BUN4G4C6XBQPZRT4GJ5T76ZP3","target":"record","payload":{"canonical_record":{"source":{"id":"2404.05846","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2024-04-08T20:25:23Z","cross_cats_sorted":[],"title_canon_sha256":"4f25f51182b4c128651e0daa42797c5d10ffb56d92c7f5f74ae318539d835960","abstract_canon_sha256":"f0cba29c61d8fabc224e4c8c44c30eadc2b3aea67f5c04070287cee3d6ae81d4"},"schema_version":"1.0"},"canonical_sha256":"e068de1b82f5c307e633e193d9ffd97efb2506d20c0f5c9d4cff2aeb5186a21c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:14:18.649248Z","signature_b64":"dwbU8z/Heeg+hdlmxd/XAkka/kklT+mVn9tSBWvm5SjV1OGU9ELcecWfN+8YpfySwFafEnLxzyNz7hf+RV2RDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e068de1b82f5c307e633e193d9ffd97efb2506d20c0f5c9d4cff2aeb5186a21c","last_reissued_at":"2026-07-05T09:14:18.648738Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:14:18.648738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.05846","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":"2026-07-05T09:14:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VC/5druChGnIBlT1MTB4ebItrPlCyOAtRr/TnFvkiyw3tx5iiTVNwB/eazmg6UcOsN88Hf0TwAHLwDmgzAYaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T08:15:33.301602Z"},"content_sha256":"6a0355ff68885876ff658bf244f501ffc7e2a5b8acd7f7a2b3fd8189d656aedd","schema_version":"1.0","event_id":"sha256:6a0355ff68885876ff658bf244f501ffc7e2a5b8acd7f7a2b3fd8189d656aedd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:4BUN4G4C6XBQPZRT4GJ5T76ZP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tree-Based versus Hybrid Graphical-Textual Model Editors: An Empirical Study of Testing Specifications","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Antonio Garc\\'ia-Dom\\'inguez, Christina Vasiliou, Dimitris Kolovos, Ionut Predoaia, James Harbin, Simos Gerasimou","submitted_at":"2024-04-08T20:25:23Z","abstract_excerpt":"Tree-based model editors and hybrid graphical-textual model editors have advantages and limitations when editing domain models. Data is displayed hierarchically in tree-based model editors, whereas hybrid graphical-textual model editors capture high-level domain concepts graphically and low-level domain details textually. We conducted an empirical user study with 22 participants to evaluate the implicit assumption of system modellers that hybrid notations are superior, and to investigate the tradeoffs between the default EMF-based tree model editor and a Sirius/Xtext-based hybrid model editor."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.05846","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/2404.05846/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":"2026-07-05T09:14:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5JFwGAItY2YKmGywkq4S4fkA5CTQkDfysUGbNmgfr+9kkcbhn4t5RuRVmUvXtcqSc+oSqu6WCvNnquqEOmm2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T08:15:33.301986Z"},"content_sha256":"251dea312013649ef221a27bbcaca3eb72171c4681ac154de8a3e06151fa412f","schema_version":"1.0","event_id":"sha256:251dea312013649ef221a27bbcaca3eb72171c4681ac154de8a3e06151fa412f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3/bundle.json","state_url":"https://pith.science/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3/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":"2026-07-28T08:15:33Z","links":{"resolver":"https://pith.science/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3","bundle":"https://pith.science/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3/bundle.json","state":"https://pith.science/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4BUN4G4C6XBQPZRT4GJ5T76ZP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4BUN4G4C6XBQPZRT4GJ5T76ZP3","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":"f0cba29c61d8fabc224e4c8c44c30eadc2b3aea67f5c04070287cee3d6ae81d4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2024-04-08T20:25:23Z","title_canon_sha256":"4f25f51182b4c128651e0daa42797c5d10ffb56d92c7f5f74ae318539d835960"},"schema_version":"1.0","source":{"id":"2404.05846","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.05846","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"arxiv_version","alias_value":"2404.05846v2","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.05846","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"pith_short_12","alias_value":"4BUN4G4C6XBQ","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"pith_short_16","alias_value":"4BUN4G4C6XBQPZRT","created_at":"2026-07-05T09:14:18Z"},{"alias_kind":"pith_short_8","alias_value":"4BUN4G4C","created_at":"2026-07-05T09:14:18Z"}],"graph_snapshots":[{"event_id":"sha256:251dea312013649ef221a27bbcaca3eb72171c4681ac154de8a3e06151fa412f","target":"graph","created_at":"2026-07-05T09:14:18Z","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/2404.05846/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Tree-based model editors and hybrid graphical-textual model editors have advantages and limitations when editing domain models. Data is displayed hierarchically in tree-based model editors, whereas hybrid graphical-textual model editors capture high-level domain concepts graphically and low-level domain details textually. We conducted an empirical user study with 22 participants to evaluate the implicit assumption of system modellers that hybrid notations are superior, and to investigate the tradeoffs between the default EMF-based tree model editor and a Sirius/Xtext-based hybrid model editor.","authors_text":"Antonio Garc\\'ia-Dom\\'inguez, Christina Vasiliou, Dimitris Kolovos, Ionut Predoaia, James Harbin, Simos Gerasimou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2024-04-08T20:25:23Z","title":"Tree-Based versus Hybrid Graphical-Textual Model Editors: An Empirical Study of Testing Specifications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.05846","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":"sha256:6a0355ff68885876ff658bf244f501ffc7e2a5b8acd7f7a2b3fd8189d656aedd","target":"record","created_at":"2026-07-05T09:14:18Z","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":"f0cba29c61d8fabc224e4c8c44c30eadc2b3aea67f5c04070287cee3d6ae81d4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2024-04-08T20:25:23Z","title_canon_sha256":"4f25f51182b4c128651e0daa42797c5d10ffb56d92c7f5f74ae318539d835960"},"schema_version":"1.0","source":{"id":"2404.05846","kind":"arxiv","version":2}},"canonical_sha256":"e068de1b82f5c307e633e193d9ffd97efb2506d20c0f5c9d4cff2aeb5186a21c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e068de1b82f5c307e633e193d9ffd97efb2506d20c0f5c9d4cff2aeb5186a21c","first_computed_at":"2026-07-05T09:14:18.648738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:14:18.648738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dwbU8z/Heeg+hdlmxd/XAkka/kklT+mVn9tSBWvm5SjV1OGU9ELcecWfN+8YpfySwFafEnLxzyNz7hf+RV2RDA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:14:18.649248Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.05846","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a0355ff68885876ff658bf244f501ffc7e2a5b8acd7f7a2b3fd8189d656aedd","sha256:251dea312013649ef221a27bbcaca3eb72171c4681ac154de8a3e06151fa412f"],"state_sha256":"a76f3ab75e2dc82459b0697751a8be8748d0c877a22131517e8fc9f760111f6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3nspkbUOLr/g0Vp+IHqjzuUra93Wx/68m+sEZ6rs7xgz0/dioBmYGEKjru4PEf3ysaWvllt+jUj8e0gXvgBNBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-28T08:15:33.304512Z","bundle_sha256":"cbb6cadba7bb8056f051490c9b2266a2aa457253b168b49270d42916ba3f46f4"}}