{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:QQ2565GPVFHQGILEDBKI7Y5W7X","short_pith_number":"pith:QQ2565GP","canonical_record":{"source":{"id":"2110.05335","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2021-10-11T15:00:52Z","cross_cats_sorted":["cs.AR"],"title_canon_sha256":"4e2d990512d75d821c187672893f5085f501f963e5af1c1618fbea7886fd84d9","abstract_canon_sha256":"7fed6f42ae3972e5420bcfe87b880845282e18f3c1ff3f9ebb586a76800afc77"},"schema_version":"1.0"},"canonical_sha256":"8435df74cfa94f03216418548fe3b6fde10f3f01d7b7d7ba8d80a10764f6fece","source":{"kind":"arxiv","id":"2110.05335","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.05335","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"arxiv_version","alias_value":"2110.05335v3","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05335","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"pith_short_12","alias_value":"QQ2565GPVFHQ","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"pith_short_16","alias_value":"QQ2565GPVFHQGILE","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"pith_short_8","alias_value":"QQ2565GP","created_at":"2026-07-05T03:22:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:QQ2565GPVFHQGILEDBKI7Y5W7X","target":"record","payload":{"canonical_record":{"source":{"id":"2110.05335","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2021-10-11T15:00:52Z","cross_cats_sorted":["cs.AR"],"title_canon_sha256":"4e2d990512d75d821c187672893f5085f501f963e5af1c1618fbea7886fd84d9","abstract_canon_sha256":"7fed6f42ae3972e5420bcfe87b880845282e18f3c1ff3f9ebb586a76800afc77"},"schema_version":"1.0"},"canonical_sha256":"8435df74cfa94f03216418548fe3b6fde10f3f01d7b7d7ba8d80a10764f6fece","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:22:24.472640Z","signature_b64":"ih8nmKn5wH8fJdS7VtZnpIG+952dhSeGRkAvWMrNnXQOifZbrh4d9ZVCH6vky8ZTrOOBi1VocJn/IQHNCbATDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8435df74cfa94f03216418548fe3b6fde10f3f01d7b7d7ba8d80a10764f6fece","last_reissued_at":"2026-07-05T03:22:24.472275Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:22:24.472275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.05335","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:22:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AvjRRQi2SOCFrdW5m5/YP6uxXybAV58omp82ocJQXXtb1FBkZujFNoueXqI5TgF3LCXbPXenhO141odM6A3XCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:43:28.542616Z"},"content_sha256":"684de313f04a0f3b9e0d60d07801ba68abeb6a2cc66e462583679cf5a1eaa79a","schema_version":"1.0","event_id":"sha256:684de313f04a0f3b9e0d60d07801ba68abeb6a2cc66e462583679cf5a1eaa79a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:QQ2565GPVFHQGILEDBKI7Y5W7X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From FPGAs to Obfuscated eASICs: Design and Security Trade-offs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AR"],"primary_cat":"cs.CR","authors_text":"Samuel Pagliarini, Tiago Diadami Perez, Zain Ul Abideen","submitted_at":"2021-10-11T15:00:52Z","abstract_excerpt":"Threats associated with the untrusted fabrication of integrated circuits (ICs) are numerous: piracy, overproduction, reverse engineering, hardware trojans, etc. The use of reconfigurable elements (i.e., look-up tables as in FPGAs) is a known obfuscation technique. In the extreme case, when the circuit is entirely implemented as an FPGA, no information is revealed to the adversary but at a high cost in area, power, and performance. In the opposite extreme, when the same circuit is implemented as an ASIC, best-in-class performance is obtained but security is compromised. This paper investigates "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05335","kind":"arxiv","version":3},"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/2110.05335/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":"2026-07-05T03:22:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bBlJQ37yToD2E+4Z5CQh3/nqW2xfYZA388m8dFKSTNpDCPoxWyTLCo+ZOg9WDSYEPFecw9P5KTwsytIKioMADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:43:28.543388Z"},"content_sha256":"5ea3a1720e5595126924056f56021a2c457cd7972ea2c715c70ddde7e44f137c","schema_version":"1.0","event_id":"sha256:5ea3a1720e5595126924056f56021a2c457cd7972ea2c715c70ddde7e44f137c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQ2565GPVFHQGILEDBKI7Y5W7X/bundle.json","state_url":"https://pith.science/pith/QQ2565GPVFHQGILEDBKI7Y5W7X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQ2565GPVFHQGILEDBKI7Y5W7X/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":"2026-08-01T05:43:28Z","links":{"resolver":"https://pith.science/pith/QQ2565GPVFHQGILEDBKI7Y5W7X","bundle":"https://pith.science/pith/QQ2565GPVFHQGILEDBKI7Y5W7X/bundle.json","state":"https://pith.science/pith/QQ2565GPVFHQGILEDBKI7Y5W7X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQ2565GPVFHQGILEDBKI7Y5W7X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QQ2565GPVFHQGILEDBKI7Y5W7X","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":"7fed6f42ae3972e5420bcfe87b880845282e18f3c1ff3f9ebb586a76800afc77","cross_cats_sorted":["cs.AR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2021-10-11T15:00:52Z","title_canon_sha256":"4e2d990512d75d821c187672893f5085f501f963e5af1c1618fbea7886fd84d9"},"schema_version":"1.0","source":{"id":"2110.05335","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.05335","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"arxiv_version","alias_value":"2110.05335v3","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05335","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"pith_short_12","alias_value":"QQ2565GPVFHQ","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"pith_short_16","alias_value":"QQ2565GPVFHQGILE","created_at":"2026-07-05T03:22:24Z"},{"alias_kind":"pith_short_8","alias_value":"QQ2565GP","created_at":"2026-07-05T03:22:24Z"}],"graph_snapshots":[{"event_id":"sha256:5ea3a1720e5595126924056f56021a2c457cd7972ea2c715c70ddde7e44f137c","target":"graph","created_at":"2026-07-05T03:22:24Z","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/2110.05335/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Threats associated with the untrusted fabrication of integrated circuits (ICs) are numerous: piracy, overproduction, reverse engineering, hardware trojans, etc. The use of reconfigurable elements (i.e., look-up tables as in FPGAs) is a known obfuscation technique. In the extreme case, when the circuit is entirely implemented as an FPGA, no information is revealed to the adversary but at a high cost in area, power, and performance. In the opposite extreme, when the same circuit is implemented as an ASIC, best-in-class performance is obtained but security is compromised. This paper investigates ","authors_text":"Samuel Pagliarini, Tiago Diadami Perez, Zain Ul Abideen","cross_cats":["cs.AR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2021-10-11T15:00:52Z","title":"From FPGAs to Obfuscated eASICs: Design and Security Trade-offs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05335","kind":"arxiv","version":3},"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":"sha256:684de313f04a0f3b9e0d60d07801ba68abeb6a2cc66e462583679cf5a1eaa79a","target":"record","created_at":"2026-07-05T03:22:24Z","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":"7fed6f42ae3972e5420bcfe87b880845282e18f3c1ff3f9ebb586a76800afc77","cross_cats_sorted":["cs.AR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2021-10-11T15:00:52Z","title_canon_sha256":"4e2d990512d75d821c187672893f5085f501f963e5af1c1618fbea7886fd84d9"},"schema_version":"1.0","source":{"id":"2110.05335","kind":"arxiv","version":3}},"canonical_sha256":"8435df74cfa94f03216418548fe3b6fde10f3f01d7b7d7ba8d80a10764f6fece","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8435df74cfa94f03216418548fe3b6fde10f3f01d7b7d7ba8d80a10764f6fece","first_computed_at":"2026-07-05T03:22:24.472275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:22:24.472275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ih8nmKn5wH8fJdS7VtZnpIG+952dhSeGRkAvWMrNnXQOifZbrh4d9ZVCH6vky8ZTrOOBi1VocJn/IQHNCbATDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:22:24.472640Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.05335","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:684de313f04a0f3b9e0d60d07801ba68abeb6a2cc66e462583679cf5a1eaa79a","sha256:5ea3a1720e5595126924056f56021a2c457cd7972ea2c715c70ddde7e44f137c"],"state_sha256":"2ebae1ba15928915dcd47e1777ffee369f098ccf45260d1605ab1046451fedef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XPASvr+a8uK5tLGkIz4Y+7seJ3OZUpYXjMF5xrFh+kKSm/kmceLb+YHy2q1XOHZnsHdthF/ZPFbvY17YO/QHCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T05:43:28.550761Z","bundle_sha256":"eba33f6ac608e04d3b4b2bd738fbc24407bc28bc9c6e65ee70d35e1ad057795a"}}