{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:24WLI2RO6ZLTWIXTY367WEO4CX","short_pith_number":"pith:24WLI2RO","canonical_record":{"source":{"id":"2207.10526","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-21T15:06:58Z","cross_cats_sorted":[],"title_canon_sha256":"edaaaf5b8f25cebb02c3f5270cf25f03a231e1efffddcd7e069cf52d53a4f579","abstract_canon_sha256":"051cc609e36160e5d5c034be2c71c076fcb4edf98bcb5c4146c872069e7991a4"},"schema_version":"1.0"},"canonical_sha256":"d72cb46a2ef6573b22f3c6fdfb11dc15f3bc96e7aa2eedfbb5ebc8c431e41e93","source":{"kind":"arxiv","id":"2207.10526","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.10526","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"arxiv_version","alias_value":"2207.10526v1","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.10526","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"pith_short_12","alias_value":"24WLI2RO6ZLT","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"pith_short_16","alias_value":"24WLI2RO6ZLTWIXT","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"pith_short_8","alias_value":"24WLI2RO","created_at":"2026-07-05T04:42:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:24WLI2RO6ZLTWIXTY367WEO4CX","target":"record","payload":{"canonical_record":{"source":{"id":"2207.10526","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-21T15:06:58Z","cross_cats_sorted":[],"title_canon_sha256":"edaaaf5b8f25cebb02c3f5270cf25f03a231e1efffddcd7e069cf52d53a4f579","abstract_canon_sha256":"051cc609e36160e5d5c034be2c71c076fcb4edf98bcb5c4146c872069e7991a4"},"schema_version":"1.0"},"canonical_sha256":"d72cb46a2ef6573b22f3c6fdfb11dc15f3bc96e7aa2eedfbb5ebc8c431e41e93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:42:26.285051Z","signature_b64":"BvjaUmzchbmGxCQquS0Tct9gwJpv4uBzfZUDSYuskJ3nS8BPtCkVQ1w48NMFWTu1KlTmxicL0WNjPYOECCs/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d72cb46a2ef6573b22f3c6fdfb11dc15f3bc96e7aa2eedfbb5ebc8c431e41e93","last_reissued_at":"2026-07-05T04:42:26.284562Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:42:26.284562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.10526","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:42:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pj+lZfsGtj6FMr1txia4DShfx+P6BwkgB/Rugw942bR68F2Bh7IKcst01oZTnsrrUgPkMoTCBBxJG0r8o93fDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:40:06.548104Z"},"content_sha256":"4627322a4a2bfbf1ebdb833d8587727530e4dda347c2b3c09bfafb0c3dd7d916","schema_version":"1.0","event_id":"sha256:4627322a4a2bfbf1ebdb833d8587727530e4dda347c2b3c09bfafb0c3dd7d916"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:24WLI2RO6ZLTWIXTY367WEO4CX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PA-PUF: A Novel Priority Arbiter PUF","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Anupam Chattopadhyay, Farhad Merchant, Rainer Leupers, Sachin Patkar, Simranjeet Singh, Srinivasu Bodapati","submitted_at":"2022-07-21T15:06:58Z","abstract_excerpt":"This paper proposes a 3-input arbiter-based novel physically unclonable function (PUF) design. Firstly, a 3-input priority arbiter is designed using a simple arbiter, two multiplexers (2:1), and an XOR logic gate. The priority arbiter has an equal probability of 0's and 1's at the output, which results in excellent uniformity (49.45%) while retrieving the PUF response. Secondly, a new PUF design based on priority arbiter PUF (PA-PUF) is presented. The PA-PUF design is evaluated for uniqueness, non-linearity, and uniformity against the standard tests. The proposed PA-PUF design is configurable "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.10526","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/2207.10526/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:42:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HPEVfuEIUtufiZ5H+C8zqjeBsKGDhDjJfmcOkueRJDD5XABx7SBNOPQnRbt8AISoUlZdpXk18+9t+GuP3FJtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:40:06.548491Z"},"content_sha256":"6a7c7297f6ec9e80eb8e27d59014379514a0762390bf5f8749bf065027580e8b","schema_version":"1.0","event_id":"sha256:6a7c7297f6ec9e80eb8e27d59014379514a0762390bf5f8749bf065027580e8b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/24WLI2RO6ZLTWIXTY367WEO4CX/bundle.json","state_url":"https://pith.science/pith/24WLI2RO6ZLTWIXTY367WEO4CX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/24WLI2RO6ZLTWIXTY367WEO4CX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-06T17:40:06Z","links":{"resolver":"https://pith.science/pith/24WLI2RO6ZLTWIXTY367WEO4CX","bundle":"https://pith.science/pith/24WLI2RO6ZLTWIXTY367WEO4CX/bundle.json","state":"https://pith.science/pith/24WLI2RO6ZLTWIXTY367WEO4CX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/24WLI2RO6ZLTWIXTY367WEO4CX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:24WLI2RO6ZLTWIXTY367WEO4CX","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":"051cc609e36160e5d5c034be2c71c076fcb4edf98bcb5c4146c872069e7991a4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-21T15:06:58Z","title_canon_sha256":"edaaaf5b8f25cebb02c3f5270cf25f03a231e1efffddcd7e069cf52d53a4f579"},"schema_version":"1.0","source":{"id":"2207.10526","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.10526","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"arxiv_version","alias_value":"2207.10526v1","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.10526","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"pith_short_12","alias_value":"24WLI2RO6ZLT","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"pith_short_16","alias_value":"24WLI2RO6ZLTWIXT","created_at":"2026-07-05T04:42:26Z"},{"alias_kind":"pith_short_8","alias_value":"24WLI2RO","created_at":"2026-07-05T04:42:26Z"}],"graph_snapshots":[{"event_id":"sha256:6a7c7297f6ec9e80eb8e27d59014379514a0762390bf5f8749bf065027580e8b","target":"graph","created_at":"2026-07-05T04:42:26Z","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/2207.10526/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper proposes a 3-input arbiter-based novel physically unclonable function (PUF) design. Firstly, a 3-input priority arbiter is designed using a simple arbiter, two multiplexers (2:1), and an XOR logic gate. The priority arbiter has an equal probability of 0's and 1's at the output, which results in excellent uniformity (49.45%) while retrieving the PUF response. Secondly, a new PUF design based on priority arbiter PUF (PA-PUF) is presented. The PA-PUF design is evaluated for uniqueness, non-linearity, and uniformity against the standard tests. The proposed PA-PUF design is configurable ","authors_text":"Anupam Chattopadhyay, Farhad Merchant, Rainer Leupers, Sachin Patkar, Simranjeet Singh, Srinivasu Bodapati","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-21T15:06:58Z","title":"PA-PUF: A Novel Priority Arbiter PUF"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.10526","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":"sha256:4627322a4a2bfbf1ebdb833d8587727530e4dda347c2b3c09bfafb0c3dd7d916","target":"record","created_at":"2026-07-05T04:42:26Z","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":"051cc609e36160e5d5c034be2c71c076fcb4edf98bcb5c4146c872069e7991a4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-21T15:06:58Z","title_canon_sha256":"edaaaf5b8f25cebb02c3f5270cf25f03a231e1efffddcd7e069cf52d53a4f579"},"schema_version":"1.0","source":{"id":"2207.10526","kind":"arxiv","version":1}},"canonical_sha256":"d72cb46a2ef6573b22f3c6fdfb11dc15f3bc96e7aa2eedfbb5ebc8c431e41e93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d72cb46a2ef6573b22f3c6fdfb11dc15f3bc96e7aa2eedfbb5ebc8c431e41e93","first_computed_at":"2026-07-05T04:42:26.284562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:42:26.284562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BvjaUmzchbmGxCQquS0Tct9gwJpv4uBzfZUDSYuskJ3nS8BPtCkVQ1w48NMFWTu1KlTmxicL0WNjPYOECCs/DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:42:26.285051Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.10526","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4627322a4a2bfbf1ebdb833d8587727530e4dda347c2b3c09bfafb0c3dd7d916","sha256:6a7c7297f6ec9e80eb8e27d59014379514a0762390bf5f8749bf065027580e8b"],"state_sha256":"6b0188ef7d281518a691dc73c0adb81f3705e549de402664d3648370363e721f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4NObvbous4CQSBSoFFcPRi720twttq8MwVEGPU28NQlkV+LbIC7Fphn0GuF5Bg5Y6UNfro2SYHnlqT/n1++5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:40:06.550469Z","bundle_sha256":"472acdc6a166db2d3e763b42ca7b01fbcb5773640405ed2c5bf7729c8c405fb4"}}