{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DVP3ILVY6PCCPAQ7IUHMWDKH5O","short_pith_number":"pith:DVP3ILVY","schema_version":"1.0","canonical_sha256":"1d5fb42eb8f3c427821f450ecb0d47eb9e4a1ac27f6ef5607ed406a115a70c6b","source":{"kind":"arxiv","id":"1705.04993","version":1},"attestation_state":"computed","paper":{"title":"PieceTimer: A Holistic Timing Analysis Framework Considering Setup/Hold Time Interdependency Using A Piecewise Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Bing Li, Grace Li Zhang, Ulf Schlichtmann","submitted_at":"2017-05-14T16:21:03Z","abstract_excerpt":"In static timing analysis, clock-to-q delays of flip-flops are considered as constants. Setup times and hold times are characterized separately and also used as constants. The characterized delays, setup times and hold times, are ap- plied in timing analysis independently to verify the perfor- mance of circuits. In reality, however, clock-to-q delays of flip-flops depend on both setup and hold times. Instead of being constants, these delays change with respect to different setup/hold time combinations. Consequently, the simple ab- straction of setup/hold times and constant clock-to-q delays in"},"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":"1705.04993","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2017-05-14T16:21:03Z","cross_cats_sorted":[],"title_canon_sha256":"a5b7a1b12741cfeb65f9b2298c3793f448731102b960b3a46a8b3bd5a4fb07d5","abstract_canon_sha256":"66f82b4c37f1b7c9834af047e08c6329c7fcfd20a1b36674fd95d62afaaad28d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:33.170278Z","signature_b64":"UzvUHyYq56wHFmagRBafLt0lBSafDK9Loyha/FTDa2Fc3pIuQh6GScHN/tnXN/Xg9OD0gCCzbDYLZQOUExRIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d5fb42eb8f3c427821f450ecb0d47eb9e4a1ac27f6ef5607ed406a115a70c6b","last_reissued_at":"2026-05-18T00:44:33.169691Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:33.169691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PieceTimer: A Holistic Timing Analysis Framework Considering Setup/Hold Time Interdependency Using A Piecewise Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Bing Li, Grace Li Zhang, Ulf Schlichtmann","submitted_at":"2017-05-14T16:21:03Z","abstract_excerpt":"In static timing analysis, clock-to-q delays of flip-flops are considered as constants. Setup times and hold times are characterized separately and also used as constants. The characterized delays, setup times and hold times, are ap- plied in timing analysis independently to verify the perfor- mance of circuits. In reality, however, clock-to-q delays of flip-flops depend on both setup and hold times. Instead of being constants, these delays change with respect to different setup/hold time combinations. Consequently, the simple ab- straction of setup/hold times and constant clock-to-q delays in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.04993","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":""},"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":"1705.04993","created_at":"2026-05-18T00:44:33.169777+00:00"},{"alias_kind":"arxiv_version","alias_value":"1705.04993v1","created_at":"2026-05-18T00:44:33.169777+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.04993","created_at":"2026-05-18T00:44:33.169777+00:00"},{"alias_kind":"pith_short_12","alias_value":"DVP3ILVY6PCC","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DVP3ILVY6PCCPAQ7","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DVP3ILVY","created_at":"2026-05-18T12:31:12.930513+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/DVP3ILVY6PCCPAQ7IUHMWDKH5O","json":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O.json","graph_json":"https://pith.science/api/pith-number/DVP3ILVY6PCCPAQ7IUHMWDKH5O/graph.json","events_json":"https://pith.science/api/pith-number/DVP3ILVY6PCCPAQ7IUHMWDKH5O/events.json","paper":"https://pith.science/paper/DVP3ILVY"},"agent_actions":{"view_html":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O","download_json":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O.json","view_paper":"https://pith.science/paper/DVP3ILVY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1705.04993&json=true","fetch_graph":"https://pith.science/api/pith-number/DVP3ILVY6PCCPAQ7IUHMWDKH5O/graph.json","fetch_events":"https://pith.science/api/pith-number/DVP3ILVY6PCCPAQ7IUHMWDKH5O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O/action/storage_attestation","attest_author":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O/action/author_attestation","sign_citation":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O/action/citation_signature","submit_replication":"https://pith.science/pith/DVP3ILVY6PCCPAQ7IUHMWDKH5O/action/replication_record"}},"created_at":"2026-05-18T00:44:33.169777+00:00","updated_at":"2026-05-18T00:44:33.169777+00:00"}