{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:LJTWDGICLYRMHQHCLU4YDNKGSU","short_pith_number":"pith:LJTWDGIC","canonical_record":{"source":{"id":"2505.23239","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-05-29T08:40:10Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"7f3cbb2288e90b34946076623d60860d9b37db3cd872dd393b84ce3437f77bce","abstract_canon_sha256":"148c329677c1145addf321a049c69cdfabf73b3e2a4eae32578b366bf1ff21c0"},"schema_version":"1.0"},"canonical_sha256":"5a676199025e22c3c0e25d3981b5469511db57330656167b7dafa2f4819416cd","source":{"kind":"arxiv","id":"2505.23239","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.23239","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"arxiv_version","alias_value":"2505.23239v1","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.23239","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"pith_short_12","alias_value":"LJTWDGICLYRM","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"pith_short_16","alias_value":"LJTWDGICLYRMHQHC","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"pith_short_8","alias_value":"LJTWDGIC","created_at":"2026-07-05T11:11:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:LJTWDGICLYRMHQHCLU4YDNKGSU","target":"record","payload":{"canonical_record":{"source":{"id":"2505.23239","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-05-29T08:40:10Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"7f3cbb2288e90b34946076623d60860d9b37db3cd872dd393b84ce3437f77bce","abstract_canon_sha256":"148c329677c1145addf321a049c69cdfabf73b3e2a4eae32578b366bf1ff21c0"},"schema_version":"1.0"},"canonical_sha256":"5a676199025e22c3c0e25d3981b5469511db57330656167b7dafa2f4819416cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:58.171389Z","signature_b64":"biWbFZBPzpJkrnJgIs28fULEiBPVMqf7J+eV9s8zM01Wev6Sax83kv29hTivhxRvvKGlJVUvtPUsMf+dBEDWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a676199025e22c3c0e25d3981b5469511db57330656167b7dafa2f4819416cd","last_reissued_at":"2026-07-05T11:11:58.170923Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:58.170923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.23239","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":"2026-07-05T11:11:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A0Zjd4rLH0gAGfrQlEjOzEW7LV64DX722FHKCyFEUCUNSyKuWRowPdDd8kxYHODUkViNj6hyVjBUBR5ml4u6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T13:05:03.014308Z"},"content_sha256":"2136df2862c93679a4489aa713108b192df00115c8d567a7a82e21e26c9b3d45","schema_version":"1.0","event_id":"sha256:2136df2862c93679a4489aa713108b192df00115c8d567a7a82e21e26c9b3d45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:LJTWDGICLYRMHQHCLU4YDNKGSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"OSS-UAgent: An Agent-based Usability Evaluation Framework for Open Source Software","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.SE","authors_text":"Jingren Zhou, Lingkai Meng, Longbin Lai, Long Yuan, Peng Cheng, Wenjie Zhang, Wenyuan Yu, Xuemin Lin, Yu Shao","submitted_at":"2025-05-29T08:40:10Z","abstract_excerpt":"Usability evaluation is critical to the impact and adoption of open source software (OSS), yet traditional methods relying on human evaluators suffer from high costs and limited scalability. To address these limitations, we introduce OSS-UAgent, an automated, configurable, and interactive agent-based usability evaluation framework specifically designed for open source software. Our framework employs intelligent agents powered by large language models (LLMs) to simulate developers performing programming tasks across various experience levels (from Junior to Expert). By dynamically constructing "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.23239","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/2505.23239/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":"2026-07-05T11:11:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ug4wyQzhbupyXTjcOQjbL91INSEY/oTDAc08/4lf1rGnycAO/K1oICO21N5lKtDASxTycBeL3jk+X5v2GcSSBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T13:05:03.015856Z"},"content_sha256":"9c1a5a77e43ecf74d6442abd6fe835179bef4c88a4cff39ed38ccc6a49809fb3","schema_version":"1.0","event_id":"sha256:9c1a5a77e43ecf74d6442abd6fe835179bef4c88a4cff39ed38ccc6a49809fb3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LJTWDGICLYRMHQHCLU4YDNKGSU/bundle.json","state_url":"https://pith.science/pith/LJTWDGICLYRMHQHCLU4YDNKGSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LJTWDGICLYRMHQHCLU4YDNKGSU/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":"2026-08-10T13:05:03Z","links":{"resolver":"https://pith.science/pith/LJTWDGICLYRMHQHCLU4YDNKGSU","bundle":"https://pith.science/pith/LJTWDGICLYRMHQHCLU4YDNKGSU/bundle.json","state":"https://pith.science/pith/LJTWDGICLYRMHQHCLU4YDNKGSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LJTWDGICLYRMHQHCLU4YDNKGSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:LJTWDGICLYRMHQHCLU4YDNKGSU","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":"148c329677c1145addf321a049c69cdfabf73b3e2a4eae32578b366bf1ff21c0","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-05-29T08:40:10Z","title_canon_sha256":"7f3cbb2288e90b34946076623d60860d9b37db3cd872dd393b84ce3437f77bce"},"schema_version":"1.0","source":{"id":"2505.23239","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.23239","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"arxiv_version","alias_value":"2505.23239v1","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.23239","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"pith_short_12","alias_value":"LJTWDGICLYRM","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"pith_short_16","alias_value":"LJTWDGICLYRMHQHC","created_at":"2026-07-05T11:11:58Z"},{"alias_kind":"pith_short_8","alias_value":"LJTWDGIC","created_at":"2026-07-05T11:11:58Z"}],"graph_snapshots":[{"event_id":"sha256:9c1a5a77e43ecf74d6442abd6fe835179bef4c88a4cff39ed38ccc6a49809fb3","target":"graph","created_at":"2026-07-05T11:11:58Z","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/2505.23239/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Usability evaluation is critical to the impact and adoption of open source software (OSS), yet traditional methods relying on human evaluators suffer from high costs and limited scalability. To address these limitations, we introduce OSS-UAgent, an automated, configurable, and interactive agent-based usability evaluation framework specifically designed for open source software. Our framework employs intelligent agents powered by large language models (LLMs) to simulate developers performing programming tasks across various experience levels (from Junior to Expert). By dynamically constructing ","authors_text":"Jingren Zhou, Lingkai Meng, Longbin Lai, Long Yuan, Peng Cheng, Wenjie Zhang, Wenyuan Yu, Xuemin Lin, Yu Shao","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-05-29T08:40:10Z","title":"OSS-UAgent: An Agent-based Usability Evaluation Framework for Open Source Software"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.23239","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":"sha256:2136df2862c93679a4489aa713108b192df00115c8d567a7a82e21e26c9b3d45","target":"record","created_at":"2026-07-05T11:11:58Z","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":"148c329677c1145addf321a049c69cdfabf73b3e2a4eae32578b366bf1ff21c0","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-05-29T08:40:10Z","title_canon_sha256":"7f3cbb2288e90b34946076623d60860d9b37db3cd872dd393b84ce3437f77bce"},"schema_version":"1.0","source":{"id":"2505.23239","kind":"arxiv","version":1}},"canonical_sha256":"5a676199025e22c3c0e25d3981b5469511db57330656167b7dafa2f4819416cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a676199025e22c3c0e25d3981b5469511db57330656167b7dafa2f4819416cd","first_computed_at":"2026-07-05T11:11:58.170923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:58.170923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"biWbFZBPzpJkrnJgIs28fULEiBPVMqf7J+eV9s8zM01Wev6Sax83kv29hTivhxRvvKGlJVUvtPUsMf+dBEDWAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:58.171389Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.23239","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2136df2862c93679a4489aa713108b192df00115c8d567a7a82e21e26c9b3d45","sha256:9c1a5a77e43ecf74d6442abd6fe835179bef4c88a4cff39ed38ccc6a49809fb3"],"state_sha256":"a5e6de7386343aee056ddb4aed1e83721ea16ddc1b2cf123e8198ae88250aaad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HpIBuXZBt04Bd4julaB2002ooMEdyS0SrKmcBAViMcatrSXuZgY/sqRRpEF5xDrYGEY1pyt+LAzK9Fvim2n9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T13:05:03.025102Z","bundle_sha256":"6fee99c507653132e64b6930092d8ee716447f3168e123146fcb7c6b387234bd"}}