{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZGYDZRAZ32NUZ5FAULUBSY6FQR","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":"6f95b3a3c3f77972bc58e7be4cd1ccc75139d7ea1341cfcf1d1cf654cb37b6e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-30T07:09:11Z","title_canon_sha256":"b0461f9a3023886790e26218aab8d06dc40e4352539a40b4ad1511fecb85890c"},"schema_version":"1.0","source":{"id":"2606.31234","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31234","created_at":"2026-07-01T01:17:56Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31234v1","created_at":"2026-07-01T01:17:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31234","created_at":"2026-07-01T01:17:56Z"},{"alias_kind":"pith_short_12","alias_value":"ZGYDZRAZ32NU","created_at":"2026-07-01T01:17:56Z"},{"alias_kind":"pith_short_16","alias_value":"ZGYDZRAZ32NUZ5FA","created_at":"2026-07-01T01:17:56Z"},{"alias_kind":"pith_short_8","alias_value":"ZGYDZRAZ","created_at":"2026-07-01T01:17:56Z"}],"graph_snapshots":[{"event_id":"sha256:6d6b49237303fa63a946611a5933b48ffa5fecc348030904e5e036c972eb2969","target":"graph","created_at":"2026-07-01T01:17:56Z","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/2606.31234/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"There is strong qualitative empirical evidence in the scientific literature that, due to cognitive fatigue, workers performing repetitive and monotonous tasks are characterized by a gradual deterioration in their performance abilities as the time-on-task increases, a phenomenon known as the vigilance decrement. Using a time-dependent Sisyphus random climb model, we provide a quantitative description of this intriguing phenomenon. In particular, we use analytical techniques in order to determine the success probability function $S(t;{\\cal N})$ of Sisyphus workers, the time-dependent fraction of","authors_text":"Shahar Hod","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-30T07:09:11Z","title":"Quantitative description of cognitive fatigue in repetitive monotonous tasks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31234","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:f10de38907120c825ebd4d0ed2eb703c96731258036f6d03d2dcc7879aab3e37","target":"record","created_at":"2026-07-01T01:17:56Z","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":"6f95b3a3c3f77972bc58e7be4cd1ccc75139d7ea1341cfcf1d1cf654cb37b6e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-30T07:09:11Z","title_canon_sha256":"b0461f9a3023886790e26218aab8d06dc40e4352539a40b4ad1511fecb85890c"},"schema_version":"1.0","source":{"id":"2606.31234","kind":"arxiv","version":1}},"canonical_sha256":"c9b03cc419de9b4cf4a0a2e81963c58473ea5c0034faf08b686cf97aa518217a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9b03cc419de9b4cf4a0a2e81963c58473ea5c0034faf08b686cf97aa518217a","first_computed_at":"2026-07-01T01:17:56.531039Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:17:56.531039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0oh++KNBmDJ8nMOkIkY0CFw68Q0DNREkO9lHJz6ADfwWYJZYwy8WR3WMV0xvooyXq31nKWwShwUXLaoGwtoZDg==","signature_status":"signed_v1","signed_at":"2026-07-01T01:17:56.531557Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.31234","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f10de38907120c825ebd4d0ed2eb703c96731258036f6d03d2dcc7879aab3e37","sha256:6d6b49237303fa63a946611a5933b48ffa5fecc348030904e5e036c972eb2969"],"state_sha256":"dec4b95fa7dbc283a5f40a918af181f513d250ad8e3aabcb50cdd88e665a9ed9"}