{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:Q2MFIW77YW4R4FN4WXDULPKIS4","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":"709e6330630e269a861c80d0822b25ec7afc11aea95da6c1a80453954c6f132d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2025-06-21T19:23:17Z","title_canon_sha256":"29960c29b1d5954d844dfbb9c91a0a7c8ee8be24c73f8ceee479ce6ccb0590d2"},"schema_version":"1.0","source":{"id":"2506.17795","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.17795","created_at":"2026-07-05T11:25:23Z"},{"alias_kind":"arxiv_version","alias_value":"2506.17795v1","created_at":"2026-07-05T11:25:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.17795","created_at":"2026-07-05T11:25:23Z"},{"alias_kind":"pith_short_12","alias_value":"Q2MFIW77YW4R","created_at":"2026-07-05T11:25:23Z"},{"alias_kind":"pith_short_16","alias_value":"Q2MFIW77YW4R4FN4","created_at":"2026-07-05T11:25:23Z"},{"alias_kind":"pith_short_8","alias_value":"Q2MFIW77","created_at":"2026-07-05T11:25:23Z"}],"graph_snapshots":[{"event_id":"sha256:d628b6e9655ba6dc048d01cfe77a7ac66850ec98674a658f33c9dea8d61a2d61","target":"graph","created_at":"2026-07-05T11:25:23Z","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/2506.17795/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hardware security primitives including True Random Number Generators (TRNG) and Physical Unclonable Functions (PUFs) are central components to establishing a root of trust in microelectronic systems. In this paper, we propose a unified PUF-TRNG architecture that leverages a combination of the static entropy available in a strong PUF called the shift-register, reconvergent-fanout (SiRF) PUF, and the dynamic entropy associated with random noise present in path delay measurements. The SiRF PUF uses an engineered netlist containing a large number of paths as the source of static entropy, and a tim","authors_text":"Calvin Chan, Cyrus Minwalla, Jim Plusquellic, Rachel Cazzola","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2025-06-21T19:23:17Z","title":"A TRNG Implemented using a Soft-Data Based Sponge Function within a Unified Strong PUF Architecture"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.17795","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:f4d340502fa1644497f58c3e48ce3c92cf5279c5dac602b39fd04d947e89692a","target":"record","created_at":"2026-07-05T11:25:23Z","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":"709e6330630e269a861c80d0822b25ec7afc11aea95da6c1a80453954c6f132d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2025-06-21T19:23:17Z","title_canon_sha256":"29960c29b1d5954d844dfbb9c91a0a7c8ee8be24c73f8ceee479ce6ccb0590d2"},"schema_version":"1.0","source":{"id":"2506.17795","kind":"arxiv","version":1}},"canonical_sha256":"8698545bffc5b91e15bcb5c745bd489713db9850de5c032b780e9eb1cb697219","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8698545bffc5b91e15bcb5c745bd489713db9850de5c032b780e9eb1cb697219","first_computed_at":"2026-07-05T11:25:23.355911Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:25:23.355911Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4zfm/c4rkOYxOVPRQW+Tiq0Ob2KmFBNgKocF5JCR9tyY/SB3HVebypojbRQIue5BpUzwVn15F5saWQMItHdgDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:25:23.356426Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.17795","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4d340502fa1644497f58c3e48ce3c92cf5279c5dac602b39fd04d947e89692a","sha256:d628b6e9655ba6dc048d01cfe77a7ac66850ec98674a658f33c9dea8d61a2d61"],"state_sha256":"f90a133ae106de3c94e6b2a4513b94537ade5859a17afcbd1d5e7c7d2e2b5c00"}