{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RAVS5GLZU333X7MKLSIKEZIME2","short_pith_number":"pith:RAVS5GLZ","canonical_record":{"source":{"id":"1703.07427","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-03-21T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"d3c4cc489b29a7541e2df9f75c3a69b3fd8defe217193d92bf16f5e047293745","abstract_canon_sha256":"886f364d71f19b3d3cca88101ec99ad4bd69fec5d466adabdf1a83301c1647da"},"schema_version":"1.0"},"canonical_sha256":"882b2e9979a6f7bbfd8a5c90a2650c268a1708a0ce15dae57470f5e95ce6e587","source":{"kind":"arxiv","id":"1703.07427","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.07427","created_at":"2026-05-18T00:48:08Z"},{"alias_kind":"arxiv_version","alias_value":"1703.07427v1","created_at":"2026-05-18T00:48:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07427","created_at":"2026-05-18T00:48:08Z"},{"alias_kind":"pith_short_12","alias_value":"RAVS5GLZU333","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RAVS5GLZU333X7MK","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RAVS5GLZ","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RAVS5GLZU333X7MKLSIKEZIME2","target":"record","payload":{"canonical_record":{"source":{"id":"1703.07427","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-03-21T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"d3c4cc489b29a7541e2df9f75c3a69b3fd8defe217193d92bf16f5e047293745","abstract_canon_sha256":"886f364d71f19b3d3cca88101ec99ad4bd69fec5d466adabdf1a83301c1647da"},"schema_version":"1.0"},"canonical_sha256":"882b2e9979a6f7bbfd8a5c90a2650c268a1708a0ce15dae57470f5e95ce6e587","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:08.828837Z","signature_b64":"aHT7TfXwNEX30mCPygvZL4IWfqDF/Rtbp0kcQVnnS6XDKpG8w+8vfcQoSUHamxfuwRh611nwvnQzfi8+9bkHCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"882b2e9979a6f7bbfd8a5c90a2650c268a1708a0ce15dae57470f5e95ce6e587","last_reissued_at":"2026-05-18T00:48:08.828418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:08.828418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.07427","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":"2026-05-18T00:48:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zQrhAvf0xpRAd4W9AFGNi95zJd3y8y9pfamPzJ7u1WyMokAQTrvxvBJP0rEoYp1651kF5DjZFpDAABFU/ymLAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:56:14.093559Z"},"content_sha256":"10755c0af7f2cd2ca9f3e96e5b5bd45a634c0e93288e99641a9a4ab7bd6f5315","schema_version":"1.0","event_id":"sha256:10755c0af7f2cd2ca9f3e96e5b5bd45a634c0e93288e99641a9a4ab7bd6f5315"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RAVS5GLZU333X7MKLSIKEZIME2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsically Reliable and Lightweight Physical Obfuscated Keys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Ali Gokirmak, Chenglu Jin, Faruk Dirisaglik, Helena Silva, Jake Scoggin, Marten van Dijk, Nadim Kanan, Nafisa Noor, Phuong Ha Nguyen, Raihan Sayeed Khan, Sadid Muneer","submitted_at":"2017-03-21T21:00:01Z","abstract_excerpt":"Physical Obfuscated Keys (POKs) allow tamper-resistant storage of random keys based on physical disorder. The output bits of current POK designs need to be first corrected due to measurement noise and next de-correlated since the original output bits may not be i.i.d. (independent and identically distributed) and also public helper information for error correction necessarily correlates the corrected output bits.For this reason, current designs include an interface for error correction and/or output reinforcement, and privacy amplification for compressing the corrected output to a uniform rand"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07427","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:48:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NPTJf+glzA49WLEiZ7nQu0COoYc8kMNJNlZ3ctbI/Np/R5hpljw9/A00AhJu8nd22Bnn5ueyTo+c+ZqOtXNaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:56:14.093904Z"},"content_sha256":"170829e1c374a4f315b2fe466fac97bcf83c7951de424c44cce2194861e36b38","schema_version":"1.0","event_id":"sha256:170829e1c374a4f315b2fe466fac97bcf83c7951de424c44cce2194861e36b38"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RAVS5GLZU333X7MKLSIKEZIME2/bundle.json","state_url":"https://pith.science/pith/RAVS5GLZU333X7MKLSIKEZIME2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RAVS5GLZU333X7MKLSIKEZIME2/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":"2026-06-05T11:56:14Z","links":{"resolver":"https://pith.science/pith/RAVS5GLZU333X7MKLSIKEZIME2","bundle":"https://pith.science/pith/RAVS5GLZU333X7MKLSIKEZIME2/bundle.json","state":"https://pith.science/pith/RAVS5GLZU333X7MKLSIKEZIME2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RAVS5GLZU333X7MKLSIKEZIME2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RAVS5GLZU333X7MKLSIKEZIME2","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":"886f364d71f19b3d3cca88101ec99ad4bd69fec5d466adabdf1a83301c1647da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-03-21T21:00:01Z","title_canon_sha256":"d3c4cc489b29a7541e2df9f75c3a69b3fd8defe217193d92bf16f5e047293745"},"schema_version":"1.0","source":{"id":"1703.07427","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.07427","created_at":"2026-05-18T00:48:08Z"},{"alias_kind":"arxiv_version","alias_value":"1703.07427v1","created_at":"2026-05-18T00:48:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07427","created_at":"2026-05-18T00:48:08Z"},{"alias_kind":"pith_short_12","alias_value":"RAVS5GLZU333","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RAVS5GLZU333X7MK","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RAVS5GLZ","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:170829e1c374a4f315b2fe466fac97bcf83c7951de424c44cce2194861e36b38","target":"graph","created_at":"2026-05-18T00:48:08Z","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":"Physical Obfuscated Keys (POKs) allow tamper-resistant storage of random keys based on physical disorder. The output bits of current POK designs need to be first corrected due to measurement noise and next de-correlated since the original output bits may not be i.i.d. (independent and identically distributed) and also public helper information for error correction necessarily correlates the corrected output bits.For this reason, current designs include an interface for error correction and/or output reinforcement, and privacy amplification for compressing the corrected output to a uniform rand","authors_text":"Ali Gokirmak, Chenglu Jin, Faruk Dirisaglik, Helena Silva, Jake Scoggin, Marten van Dijk, Nadim Kanan, Nafisa Noor, Phuong Ha Nguyen, Raihan Sayeed Khan, Sadid Muneer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-03-21T21:00:01Z","title":"Intrinsically Reliable and Lightweight Physical Obfuscated Keys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07427","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":"sha256:10755c0af7f2cd2ca9f3e96e5b5bd45a634c0e93288e99641a9a4ab7bd6f5315","target":"record","created_at":"2026-05-18T00:48:08Z","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":"886f364d71f19b3d3cca88101ec99ad4bd69fec5d466adabdf1a83301c1647da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-03-21T21:00:01Z","title_canon_sha256":"d3c4cc489b29a7541e2df9f75c3a69b3fd8defe217193d92bf16f5e047293745"},"schema_version":"1.0","source":{"id":"1703.07427","kind":"arxiv","version":1}},"canonical_sha256":"882b2e9979a6f7bbfd8a5c90a2650c268a1708a0ce15dae57470f5e95ce6e587","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"882b2e9979a6f7bbfd8a5c90a2650c268a1708a0ce15dae57470f5e95ce6e587","first_computed_at":"2026-05-18T00:48:08.828418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:08.828418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aHT7TfXwNEX30mCPygvZL4IWfqDF/Rtbp0kcQVnnS6XDKpG8w+8vfcQoSUHamxfuwRh611nwvnQzfi8+9bkHCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:08.828837Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.07427","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10755c0af7f2cd2ca9f3e96e5b5bd45a634c0e93288e99641a9a4ab7bd6f5315","sha256:170829e1c374a4f315b2fe466fac97bcf83c7951de424c44cce2194861e36b38"],"state_sha256":"e0fc0ecdad598306e17188ca2ff46994aee96a81dc925a5d653500578bbd0d67"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PJF0QPc+6FBLC1qy2a1psdtVdhX+JRoRjq0R4MkW8N8UpoK1CuETUVSeFLerzsnWQMkrCX1xWQgy8rBHSxXQAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T11:56:14.095851Z","bundle_sha256":"9f89271fad736e766f6c922b9756bb680ea19966bac1af7341ba7455f1bf8578"}}