{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:ZTSLEYJA2CEREXRD22OHSA6JUG","short_pith_number":"pith:ZTSLEYJA","schema_version":"1.0","canonical_sha256":"cce4b26120d089125e23d69c7903c9a18c19d790fcb58cdc25785e064a71f4f7","source":{"kind":"arxiv","id":"2408.06463","version":1},"attestation_state":"computed","paper":{"title":"Statistical Quality Comparison of the Bitstrings Generated by a Physical Unclonable Function across Xilinx, Altera and Microsemi Devices","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Cheryl Reid, Jenilee Jao, Jim Plusquellic, Kristi Hoffman, Michael Thompson, Ryan Thomson","submitted_at":"2024-08-12T19:28:57Z","abstract_excerpt":"Entropy or randomness represents a foundational security property in security-related operations, such as key generation. Key generation in turn is central to security protocols such as authentication and encryption. Physical unclonable functions (PUF) are hardware-based primitives that can serve as key generation engines in modern microelectronic devices and applications. PUFs derive entropy from manufacturing variations that exist naturally within and across otherwise identical copies of a device. However, the levels of random variations that represent entropy, which are strongly correlated "},"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":"2408.06463","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2024-08-12T19:28:57Z","cross_cats_sorted":[],"title_canon_sha256":"34178abbe04526ff779247bea74498ba6c6d0317a7d029691337d97818b3c6dd","abstract_canon_sha256":"01259c106bd683d465de590bc8b1c32bf9b0894e7434d842b2414e61d62b9c98"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:54:57.204268Z","signature_b64":"ojeNQBhXVTDFzmX0rF7qxoxIAUskop4kkk5u4qQ7l4LreppJFwHY+oaAWXq/4ue5XaM1ahgx4l8Hq6JiJ4bMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cce4b26120d089125e23d69c7903c9a18c19d790fcb58cdc25785e064a71f4f7","last_reissued_at":"2026-07-05T08:54:57.203864Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:54:57.203864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Statistical Quality Comparison of the Bitstrings Generated by a Physical Unclonable Function across Xilinx, Altera and Microsemi Devices","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Cheryl Reid, Jenilee Jao, Jim Plusquellic, Kristi Hoffman, Michael Thompson, Ryan Thomson","submitted_at":"2024-08-12T19:28:57Z","abstract_excerpt":"Entropy or randomness represents a foundational security property in security-related operations, such as key generation. Key generation in turn is central to security protocols such as authentication and encryption. Physical unclonable functions (PUF) are hardware-based primitives that can serve as key generation engines in modern microelectronic devices and applications. PUFs derive entropy from manufacturing variations that exist naturally within and across otherwise identical copies of a device. However, the levels of random variations that represent entropy, which are strongly correlated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.06463","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/2408.06463/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":"2408.06463","created_at":"2026-07-05T08:54:57.203928+00:00"},{"alias_kind":"arxiv_version","alias_value":"2408.06463v1","created_at":"2026-07-05T08:54:57.203928+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.06463","created_at":"2026-07-05T08:54:57.203928+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZTSLEYJA2CER","created_at":"2026-07-05T08:54:57.203928+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZTSLEYJA2CEREXRD","created_at":"2026-07-05T08:54:57.203928+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZTSLEYJA","created_at":"2026-07-05T08:54:57.203928+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/ZTSLEYJA2CEREXRD22OHSA6JUG","json":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG.json","graph_json":"https://pith.science/api/pith-number/ZTSLEYJA2CEREXRD22OHSA6JUG/graph.json","events_json":"https://pith.science/api/pith-number/ZTSLEYJA2CEREXRD22OHSA6JUG/events.json","paper":"https://pith.science/paper/ZTSLEYJA"},"agent_actions":{"view_html":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG","download_json":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG.json","view_paper":"https://pith.science/paper/ZTSLEYJA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2408.06463&json=true","fetch_graph":"https://pith.science/api/pith-number/ZTSLEYJA2CEREXRD22OHSA6JUG/graph.json","fetch_events":"https://pith.science/api/pith-number/ZTSLEYJA2CEREXRD22OHSA6JUG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG/action/storage_attestation","attest_author":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG/action/author_attestation","sign_citation":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG/action/citation_signature","submit_replication":"https://pith.science/pith/ZTSLEYJA2CEREXRD22OHSA6JUG/action/replication_record"}},"created_at":"2026-07-05T08:54:57.203928+00:00","updated_at":"2026-07-05T08:54:57.203928+00:00"}