{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:RGKBVDIEQRS34QAOMWLWV3VQ23","short_pith_number":"pith:RGKBVDIE","schema_version":"1.0","canonical_sha256":"89941a8d048465be400e65976aeeb0d6c5e7667d55d50a66ee11afc804bcf856","source":{"kind":"arxiv","id":"1908.06211","version":2},"attestation_state":"computed","paper":{"title":"PAStime: Progress-aware Scheduling for Time-critical Computing","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.OS","authors_text":"Ahmad Golchin, Richard West, Soham Sinha","submitted_at":"2019-08-17T00:24:07Z","abstract_excerpt":"Over-estimation of worst-case execution times (WCETs) of real-time tasks leads to poor resource utilization. In a mixed-criticality system (MCS), the over-provisioning of CPU time to accommodate the WCETs of highly critical tasks may lead to degraded service for less critical tasks. In this paper, we present PAStime, a novel approach to monitor and adapt the runtime progress of highly time-critical applications, to allow for improved service to lower criticality tasks. In PAStime, CPU time is allocated to time-critical tasks according to the delays they experience as they progress through thei"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1908.06211","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.OS","submitted_at":"2019-08-17T00:24:07Z","cross_cats_sorted":[],"title_canon_sha256":"bfc2dd4a158eef31eeccfb8a95f0527fae3be51b0dc53381df1784215862030b","abstract_canon_sha256":"af417ff5e0d42436be427d616eec572f10c916bac198a3b9ee6722fdf4240e36"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:44:31.008555Z","signature_b64":"71D75Pho1ZEFCMk7jUkk1hJcetVgGLW38ax5mJVaIzPvD+1JwlOOPf7q29rF2l6VPD9PKh4HmK2EJ7dQEqJfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89941a8d048465be400e65976aeeb0d6c5e7667d55d50a66ee11afc804bcf856","last_reissued_at":"2026-07-05T02:44:31.008058Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:44:31.008058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PAStime: Progress-aware Scheduling for Time-critical Computing","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.OS","authors_text":"Ahmad Golchin, Richard West, Soham Sinha","submitted_at":"2019-08-17T00:24:07Z","abstract_excerpt":"Over-estimation of worst-case execution times (WCETs) of real-time tasks leads to poor resource utilization. In a mixed-criticality system (MCS), the over-provisioning of CPU time to accommodate the WCETs of highly critical tasks may lead to degraded service for less critical tasks. In this paper, we present PAStime, a novel approach to monitor and adapt the runtime progress of highly time-critical applications, to allow for improved service to lower criticality tasks. In PAStime, CPU time is allocated to time-critical tasks according to the delays they experience as they progress through thei"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06211","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/1908.06211/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1908.06211","created_at":"2026-07-05T02:44:31.008117+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.06211v2","created_at":"2026-07-05T02:44:31.008117+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06211","created_at":"2026-07-05T02:44:31.008117+00:00"},{"alias_kind":"pith_short_12","alias_value":"RGKBVDIEQRS3","created_at":"2026-07-05T02:44:31.008117+00:00"},{"alias_kind":"pith_short_16","alias_value":"RGKBVDIEQRS34QAO","created_at":"2026-07-05T02:44:31.008117+00:00"},{"alias_kind":"pith_short_8","alias_value":"RGKBVDIE","created_at":"2026-07-05T02:44:31.008117+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23","json":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23.json","graph_json":"https://pith.science/api/pith-number/RGKBVDIEQRS34QAOMWLWV3VQ23/graph.json","events_json":"https://pith.science/api/pith-number/RGKBVDIEQRS34QAOMWLWV3VQ23/events.json","paper":"https://pith.science/paper/RGKBVDIE"},"agent_actions":{"view_html":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23","download_json":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23.json","view_paper":"https://pith.science/paper/RGKBVDIE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.06211&json=true","fetch_graph":"https://pith.science/api/pith-number/RGKBVDIEQRS34QAOMWLWV3VQ23/graph.json","fetch_events":"https://pith.science/api/pith-number/RGKBVDIEQRS34QAOMWLWV3VQ23/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23/action/storage_attestation","attest_author":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23/action/author_attestation","sign_citation":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23/action/citation_signature","submit_replication":"https://pith.science/pith/RGKBVDIEQRS34QAOMWLWV3VQ23/action/replication_record"}},"created_at":"2026-07-05T02:44:31.008117+00:00","updated_at":"2026-07-05T02:44:31.008117+00:00"}