{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:FJW7DWDKQ2RPDF34SJOFN2FFTF","short_pith_number":"pith:FJW7DWDK","canonical_record":{"source":{"id":"2207.05413","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-12T09:22:04Z","cross_cats_sorted":["cs.AR","cs.LO"],"title_canon_sha256":"284fd41a22b9eb031f087fe52805927056ed20993fc91feb3bde20d712383b8c","abstract_canon_sha256":"2fc1bf155fde428bd52a32d4d96cfad17d121e6fd101e010ea7d4157d8f5b7f4"},"schema_version":"1.0"},"canonical_sha256":"2a6df1d86a86a2f1977c925c56e8a5996317b44321f934835ad472774e6eabd0","source":{"kind":"arxiv","id":"2207.05413","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.05413","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"arxiv_version","alias_value":"2207.05413v1","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.05413","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"pith_short_12","alias_value":"FJW7DWDKQ2RP","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"pith_short_16","alias_value":"FJW7DWDKQ2RPDF34","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"pith_short_8","alias_value":"FJW7DWDK","created_at":"2026-07-05T04:39:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:FJW7DWDKQ2RPDF34SJOFN2FFTF","target":"record","payload":{"canonical_record":{"source":{"id":"2207.05413","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-12T09:22:04Z","cross_cats_sorted":["cs.AR","cs.LO"],"title_canon_sha256":"284fd41a22b9eb031f087fe52805927056ed20993fc91feb3bde20d712383b8c","abstract_canon_sha256":"2fc1bf155fde428bd52a32d4d96cfad17d121e6fd101e010ea7d4157d8f5b7f4"},"schema_version":"1.0"},"canonical_sha256":"2a6df1d86a86a2f1977c925c56e8a5996317b44321f934835ad472774e6eabd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:39:42.300475Z","signature_b64":"vyAKEgZ+evewjodF1qJRPeGQKbWx4COILdE3jpTqXi9N+/emYL/lVgJ7EtHd/xg/g/+NSxTDc1cdgTHie0g2Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a6df1d86a86a2f1977c925c56e8a5996317b44321f934835ad472774e6eabd0","last_reissued_at":"2026-07-05T04:39:42.300035Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:39:42.300035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.05413","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":"2026-07-05T04:39:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C/qOqi27SUFlEhwc1lCvtoL4Uf8pQdi0EnqK4I/8h8zOaQuBxE6SkSLk9QwfRPu1B5e6zPUvW5dPp3Bf81YkAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T00:12:17.579749Z"},"content_sha256":"2b23df2a9007b0c17cc755f9fbe05a91bddf0173ffd602a02673e81cc4992f9d","schema_version":"1.0","event_id":"sha256:2b23df2a9007b0c17cc755f9fbe05a91bddf0173ffd602a02673e81cc4992f9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:FJW7DWDKQ2RPDF34SJOFN2FFTF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Security-aware and LUT-based CAD Flow for the Physical Synthesis of eASICs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AR","cs.LO"],"primary_cat":"cs.CR","authors_text":"Mayler Martins, Samuel Pagliarini, Tiago Diadami Perez, Zain UlAbideen","submitted_at":"2022-07-12T09:22:04Z","abstract_excerpt":"Numerous threats are associated with the globalized integrated circuit (IC) supply chain, such as piracy, reverse engineering, overproduction, and malicious logic insertion. Many obfuscation approaches have been proposed to mitigate these threats by preventing an adversary from fully understanding the IC (or parts of it). The use of reconfigurable elements inside an IC is a known obfuscation technique, either as a coarse grain reconfigurable block (i.e., eFPGA) or as a fine grain element (i.e., FPGA-like look-up tables). This paper presents a security-aware CAD flow that is LUT-based yet still"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.05413","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/2207.05413/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":"2026-07-05T04:39:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5J1oRkR6+OO86ZvxTFdSaP7XqyQIK1DtNAekG7xihp30TBVdEwTw6VjOkSzeHVmPZeom5wzDBigcpJnP3JTCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T00:12:17.580131Z"},"content_sha256":"03ab693d0c83ad9f29d023e440324999ca8c1982547c5ce494bc59736092237f","schema_version":"1.0","event_id":"sha256:03ab693d0c83ad9f29d023e440324999ca8c1982547c5ce494bc59736092237f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF/bundle.json","state_url":"https://pith.science/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF/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":"2026-07-09T00:12:17Z","links":{"resolver":"https://pith.science/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF","bundle":"https://pith.science/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF/bundle.json","state":"https://pith.science/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FJW7DWDKQ2RPDF34SJOFN2FFTF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:FJW7DWDKQ2RPDF34SJOFN2FFTF","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":"2fc1bf155fde428bd52a32d4d96cfad17d121e6fd101e010ea7d4157d8f5b7f4","cross_cats_sorted":["cs.AR","cs.LO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-12T09:22:04Z","title_canon_sha256":"284fd41a22b9eb031f087fe52805927056ed20993fc91feb3bde20d712383b8c"},"schema_version":"1.0","source":{"id":"2207.05413","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.05413","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"arxiv_version","alias_value":"2207.05413v1","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.05413","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"pith_short_12","alias_value":"FJW7DWDKQ2RP","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"pith_short_16","alias_value":"FJW7DWDKQ2RPDF34","created_at":"2026-07-05T04:39:42Z"},{"alias_kind":"pith_short_8","alias_value":"FJW7DWDK","created_at":"2026-07-05T04:39:42Z"}],"graph_snapshots":[{"event_id":"sha256:03ab693d0c83ad9f29d023e440324999ca8c1982547c5ce494bc59736092237f","target":"graph","created_at":"2026-07-05T04:39:42Z","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/2207.05413/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Numerous threats are associated with the globalized integrated circuit (IC) supply chain, such as piracy, reverse engineering, overproduction, and malicious logic insertion. Many obfuscation approaches have been proposed to mitigate these threats by preventing an adversary from fully understanding the IC (or parts of it). The use of reconfigurable elements inside an IC is a known obfuscation technique, either as a coarse grain reconfigurable block (i.e., eFPGA) or as a fine grain element (i.e., FPGA-like look-up tables). This paper presents a security-aware CAD flow that is LUT-based yet still","authors_text":"Mayler Martins, Samuel Pagliarini, Tiago Diadami Perez, Zain UlAbideen","cross_cats":["cs.AR","cs.LO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-12T09:22:04Z","title":"A Security-aware and LUT-based CAD Flow for the Physical Synthesis of eASICs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.05413","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":"sha256:2b23df2a9007b0c17cc755f9fbe05a91bddf0173ffd602a02673e81cc4992f9d","target":"record","created_at":"2026-07-05T04:39:42Z","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":"2fc1bf155fde428bd52a32d4d96cfad17d121e6fd101e010ea7d4157d8f5b7f4","cross_cats_sorted":["cs.AR","cs.LO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2022-07-12T09:22:04Z","title_canon_sha256":"284fd41a22b9eb031f087fe52805927056ed20993fc91feb3bde20d712383b8c"},"schema_version":"1.0","source":{"id":"2207.05413","kind":"arxiv","version":1}},"canonical_sha256":"2a6df1d86a86a2f1977c925c56e8a5996317b44321f934835ad472774e6eabd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a6df1d86a86a2f1977c925c56e8a5996317b44321f934835ad472774e6eabd0","first_computed_at":"2026-07-05T04:39:42.300035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:39:42.300035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vyAKEgZ+evewjodF1qJRPeGQKbWx4COILdE3jpTqXi9N+/emYL/lVgJ7EtHd/xg/g/+NSxTDc1cdgTHie0g2Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:39:42.300475Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.05413","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b23df2a9007b0c17cc755f9fbe05a91bddf0173ffd602a02673e81cc4992f9d","sha256:03ab693d0c83ad9f29d023e440324999ca8c1982547c5ce494bc59736092237f"],"state_sha256":"f0fce666790a1520c165076a72ec5c9194bccd5cf64ac2d9f3af8532fa08da39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"64eycp87eac1VeHclZTi0dEA5tjhRbKTyKj6ZNLbfoazOvKhl8hO4QWTfZmHfoLg1qG6vhPAcJWMbH4bqKFVDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T00:12:17.582542Z","bundle_sha256":"d878362ab6b9dce52fe198b4bfa9dfb43a65c2337261e2de5fd14c5fa6f51752"}}