{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BV6YINQIYCILYP3KKSLDK3OVIE","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":"bc23b11173f25b2600a0c6a843f5c7688b14ccc316c84658f8181ad91a08465a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-05-30T20:59:02Z","title_canon_sha256":"ddc3eeb54d85db8a2eb465b8f2bda5fc023191b4b7665627056793b6e4642d31"},"schema_version":"1.0","source":{"id":"1906.01075","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.01075","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"arxiv_version","alias_value":"1906.01075v2","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.01075","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"pith_short_12","alias_value":"BV6YINQIYCIL","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BV6YINQIYCILYP3K","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BV6YINQI","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:ffa040aa60606c8517aa21b54e3de0ab6b9f6420f82e82886783e2f5c2d6a066","target":"graph","created_at":"2026-05-17T23:42:41Z","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"},"paper":{"abstract_excerpt":"Detection of counterfeit chips has emerged as a crucial concern. Physically-unclonable-function (PUF)-based techniques are widely used for authentication, however, require dedicated hardware and large signature database. In this work, we show intrinsic & database-free authentication using back-end capacitors. The discussed technique simplifies authentication setup and reduces the test cost. We show that an analog-to-digital converter (ADC) can be modified for back-end capacitor-based authentication in addition to its regular functionality; hence, a dedicated authentication module is not necess","authors_text":"Ahish Shylendra, Amit Ranjan Trivedi, Swarup Bhunia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-05-30T20:59:02Z","title":"Using your ADC and Backend Capacitors to Authenticate for Free: (Virtually) Free from Database, Enrollment, and Excessive Area/Power Overhead"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.01075","kind":"arxiv","version":2},"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":"sha256:363bd6599146a7d537dcbb9b6614a82bf627ee33321b125796d175efa343ee79","target":"record","created_at":"2026-05-17T23:42:41Z","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":"bc23b11173f25b2600a0c6a843f5c7688b14ccc316c84658f8181ad91a08465a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-05-30T20:59:02Z","title_canon_sha256":"ddc3eeb54d85db8a2eb465b8f2bda5fc023191b4b7665627056793b6e4642d31"},"schema_version":"1.0","source":{"id":"1906.01075","kind":"arxiv","version":2}},"canonical_sha256":"0d7d843608c090bc3f6a5496356dd54115986c70b56c7ca770e056d1523f27b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d7d843608c090bc3f6a5496356dd54115986c70b56c7ca770e056d1523f27b6","first_computed_at":"2026-05-17T23:42:41.473260Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:41.473260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vybMrw7eOlVl50DLITGlw59ARIGjrTz3RZMwnhF/aFq3beYW1ZUceEDAQkcFFE1/POcl9iRdYk9s/riwr7rmCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:41.473927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.01075","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:363bd6599146a7d537dcbb9b6614a82bf627ee33321b125796d175efa343ee79","sha256:ffa040aa60606c8517aa21b54e3de0ab6b9f6420f82e82886783e2f5c2d6a066"],"state_sha256":"049b45f62b1c573d65fe7429c875c1b169a13ad0e72594cfa3fc8638ec3a275f"}