{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2GL3KY2NTPAUYS7IS2433Y4OUO","short_pith_number":"pith:2GL3KY2N","canonical_record":{"source":{"id":"2606.20598","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T06:34:23Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"71d49221798a4e15c2146d2978ec800ef34780b2ec537efebd3b64679c01f129","abstract_canon_sha256":"4b23a2e3402fef245acfa06f05f7f4abbd53c78d6cb20ebb563ae07849a38e03"},"schema_version":"1.0"},"canonical_sha256":"d197b5634d9bc14c4be896b9bde38ea396fc03a1dd56e74bfd030205d9db17cd","source":{"kind":"arxiv","id":"2606.20598","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.20598","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.20598v1","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.20598","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"2GL3KY2NTPAU","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"2GL3KY2NTPAUYS7I","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"2GL3KY2N","created_at":"2026-06-23T00:11:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2GL3KY2NTPAUYS7IS2433Y4OUO","target":"record","payload":{"canonical_record":{"source":{"id":"2606.20598","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T06:34:23Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"71d49221798a4e15c2146d2978ec800ef34780b2ec537efebd3b64679c01f129","abstract_canon_sha256":"4b23a2e3402fef245acfa06f05f7f4abbd53c78d6cb20ebb563ae07849a38e03"},"schema_version":"1.0"},"canonical_sha256":"d197b5634d9bc14c4be896b9bde38ea396fc03a1dd56e74bfd030205d9db17cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T00:11:51.028208Z","signature_b64":"u6KfYjEntrdmwxRyWlxREPD0qsk3SKBdqhXO4DZRQ0K9nnlpgJLZaAP9+uhxiAnbD8NcmktuBfVGpYfb7ZTUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d197b5634d9bc14c4be896b9bde38ea396fc03a1dd56e74bfd030205d9db17cd","last_reissued_at":"2026-06-23T00:11:51.027800Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T00:11:51.027800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.20598","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":"2026-06-23T00:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zRVt3wOrfo1WGoNfKXiV+4aUcxGCJ6+/duteHgITHXDr4pZo9615IelFww8NPTw7x8ZU3hz0Gld2IxiK555MAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:37:23.939705Z"},"content_sha256":"5082fd2c6df30c2be787a299b8a87016098d334540e863ece3bb3809b6f71b15","schema_version":"1.0","event_id":"sha256:5082fd2c6df30c2be787a299b8a87016098d334540e863ece3bb3809b6f71b15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2GL3KY2NTPAUYS7IS2433Y4OUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using Biometrics to Understand AI-Assisted Coding Performance and its Perception","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.HC","authors_text":"Alberto Antonio, Daniela Grassi, Fabio Calefato, Mihaela Yurieva Hristova, Nicole Novielli, Paolo Burelli, Paolo Tell, Romano","submitted_at":"2026-05-19T06:34:23Z","abstract_excerpt":"AI-based code assistants are transforming software development, yet we lack empirical evidence on how they affect developers' cognitive processes. We present a multisite study investigating the neurophysiological correlates of AI-assisted programming through a within-subjects crossover design. We recruited participants at two universities (Bari, Italy, and Copenhagen, Denmark) and collected electroencephalography, eye-tracking, electrodermal activity, and heart rate variability data alongside a rubric-based performance score and self-reported workload across six dimensions using the NASA Task "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.20598","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/2606.20598/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":"2026-06-23T00:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mLl1wpYbWYFBQtZeA4goYJ2XK2B1CqL2wbpmFiiYCn6XX+iBwwsGSQxlvswFHi4AuWxX6riJAfaeAodf+a04DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:37:23.940082Z"},"content_sha256":"7647c63a33665bcc7d50942843329459c6325b6dbffd4d722f175064998057d5","schema_version":"1.0","event_id":"sha256:7647c63a33665bcc7d50942843329459c6325b6dbffd4d722f175064998057d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2GL3KY2NTPAUYS7IS2433Y4OUO/bundle.json","state_url":"https://pith.science/pith/2GL3KY2NTPAUYS7IS2433Y4OUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2GL3KY2NTPAUYS7IS2433Y4OUO/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":"2026-07-01T22:37:23Z","links":{"resolver":"https://pith.science/pith/2GL3KY2NTPAUYS7IS2433Y4OUO","bundle":"https://pith.science/pith/2GL3KY2NTPAUYS7IS2433Y4OUO/bundle.json","state":"https://pith.science/pith/2GL3KY2NTPAUYS7IS2433Y4OUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2GL3KY2NTPAUYS7IS2433Y4OUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2GL3KY2NTPAUYS7IS2433Y4OUO","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":"4b23a2e3402fef245acfa06f05f7f4abbd53c78d6cb20ebb563ae07849a38e03","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T06:34:23Z","title_canon_sha256":"71d49221798a4e15c2146d2978ec800ef34780b2ec537efebd3b64679c01f129"},"schema_version":"1.0","source":{"id":"2606.20598","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.20598","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.20598v1","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.20598","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"2GL3KY2NTPAU","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"2GL3KY2NTPAUYS7I","created_at":"2026-06-23T00:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"2GL3KY2N","created_at":"2026-06-23T00:11:51Z"}],"graph_snapshots":[{"event_id":"sha256:7647c63a33665bcc7d50942843329459c6325b6dbffd4d722f175064998057d5","target":"graph","created_at":"2026-06-23T00:11:51Z","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/2606.20598/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"AI-based code assistants are transforming software development, yet we lack empirical evidence on how they affect developers' cognitive processes. We present a multisite study investigating the neurophysiological correlates of AI-assisted programming through a within-subjects crossover design. We recruited participants at two universities (Bari, Italy, and Copenhagen, Denmark) and collected electroencephalography, eye-tracking, electrodermal activity, and heart rate variability data alongside a rubric-based performance score and self-reported workload across six dimensions using the NASA Task ","authors_text":"Alberto Antonio, Daniela Grassi, Fabio Calefato, Mihaela Yurieva Hristova, Nicole Novielli, Paolo Burelli, Paolo Tell, Romano","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T06:34:23Z","title":"Using Biometrics to Understand AI-Assisted Coding Performance and its Perception"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.20598","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":"sha256:5082fd2c6df30c2be787a299b8a87016098d334540e863ece3bb3809b6f71b15","target":"record","created_at":"2026-06-23T00:11:51Z","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":"4b23a2e3402fef245acfa06f05f7f4abbd53c78d6cb20ebb563ae07849a38e03","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T06:34:23Z","title_canon_sha256":"71d49221798a4e15c2146d2978ec800ef34780b2ec537efebd3b64679c01f129"},"schema_version":"1.0","source":{"id":"2606.20598","kind":"arxiv","version":1}},"canonical_sha256":"d197b5634d9bc14c4be896b9bde38ea396fc03a1dd56e74bfd030205d9db17cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d197b5634d9bc14c4be896b9bde38ea396fc03a1dd56e74bfd030205d9db17cd","first_computed_at":"2026-06-23T00:11:51.027800Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T00:11:51.027800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u6KfYjEntrdmwxRyWlxREPD0qsk3SKBdqhXO4DZRQ0K9nnlpgJLZaAP9+uhxiAnbD8NcmktuBfVGpYfb7ZTUCw==","signature_status":"signed_v1","signed_at":"2026-06-23T00:11:51.028208Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.20598","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5082fd2c6df30c2be787a299b8a87016098d334540e863ece3bb3809b6f71b15","sha256:7647c63a33665bcc7d50942843329459c6325b6dbffd4d722f175064998057d5"],"state_sha256":"6fdb981f6bf4edb46d664807d12c288d71046e76b8e47a0ade6189c039088f47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BOe54qOibRQ+4tEUlofThW14l8rlBIQYG7FFPF+wrS8FCFBm+D/1T6sBqSsiEPtjRrPst8O0JzsePdcalE/CCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T22:37:23.942171Z","bundle_sha256":"dbece67c3e2aef02408accd6d92199f1e62ff480d8a4070f3edf590c4acf30f3"}}