{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:C2BCCWJRFZC7P2YQSCLCH6AGJR","short_pith_number":"pith:C2BCCWJR","canonical_record":{"source":{"id":"1910.01517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-10-01T12:59:43Z","cross_cats_sorted":[],"title_canon_sha256":"8b8d177022460e1fc51a6c994fd30f296fd9e6b0198da7d62398fd9e884bd5b3","abstract_canon_sha256":"87ceeb91fd677c4a388904398ba3293b6b1e7527222fdb7d5251b4e8912de9fc"},"schema_version":"1.0"},"canonical_sha256":"16822159312e45f7eb10909623f8064c625877717bf6fb03698bbf26f8755c14","source":{"kind":"arxiv","id":"1910.01517","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.01517","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"arxiv_version","alias_value":"1910.01517v1","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.01517","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"pith_short_12","alias_value":"C2BCCWJRFZC7","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"pith_short_16","alias_value":"C2BCCWJRFZC7P2YQ","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"pith_short_8","alias_value":"C2BCCWJR","created_at":"2026-07-05T00:09:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:C2BCCWJRFZC7P2YQSCLCH6AGJR","target":"record","payload":{"canonical_record":{"source":{"id":"1910.01517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-10-01T12:59:43Z","cross_cats_sorted":[],"title_canon_sha256":"8b8d177022460e1fc51a6c994fd30f296fd9e6b0198da7d62398fd9e884bd5b3","abstract_canon_sha256":"87ceeb91fd677c4a388904398ba3293b6b1e7527222fdb7d5251b4e8912de9fc"},"schema_version":"1.0"},"canonical_sha256":"16822159312e45f7eb10909623f8064c625877717bf6fb03698bbf26f8755c14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:09:30.991493Z","signature_b64":"o3PPRDHvv9bZwBIxmZ2oEJ1dUduriDSg+ffCoCYe+hewr341pMZtllKa5ZQbZ6PhTt30oE0H+qpZ0/FBzu/oCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16822159312e45f7eb10909623f8064c625877717bf6fb03698bbf26f8755c14","last_reissued_at":"2026-07-05T00:09:30.991091Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:09:30.991091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.01517","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":"2026-07-05T00:09:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hB/Z73f0TGtStYnpl4MZIwR0bNprNrOxJkOv2mGL8Gy+/sU70NR3cQzfbtcebCs7p4lyUgy8d+qv31NIxV6aDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:43:31.950674Z"},"content_sha256":"bfd77223235c4ffd37bb840511da9989e13230d95c619987820ae9dfcf2c76e3","schema_version":"1.0","event_id":"sha256:bfd77223235c4ffd37bb840511da9989e13230d95c619987820ae9dfcf2c76e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:C2BCCWJRFZC7P2YQSCLCH6AGJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Insights into the Mind of a Trojan Designer: The Challenge to Integrate a Trojan into the Bitstream","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Christof Paar, Maik Ender, Matthias Wilhelm, Paul Martin Knopp, Pawel Swierczynski, Sebastian Wallat","submitted_at":"2019-10-01T12:59:43Z","abstract_excerpt":"The threat of inserting hardware Trojans during the design, production, or in-field poses a danger for integrated circuits in real-world applications. A particular critical case of hardware Trojans is the malicious manipulation of third-party FPGA configurations. In addition to attack vectors during the design process, FPGAs can be infiltrated in a non-invasive manner after shipment through alterations of the bitstream. First, we present an improved methodology for bitstream file format reversing. Second, we introduce a novel idea for Trojan insertion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.01517","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/1910.01517/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":"2026-07-05T00:09:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dYX/bgrKr4SgfsN0TvLf7IpKt00YPvLshCYFd8mf+cEMM1xewMS2xRu1KK6yR9BB5hFHkLlePhZY4WYIlD3mAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:43:31.951041Z"},"content_sha256":"6d3a64f431645f688e52c37afd28fc318260b88de0829f2dc6eeae00d4dc53ce","schema_version":"1.0","event_id":"sha256:6d3a64f431645f688e52c37afd28fc318260b88de0829f2dc6eeae00d4dc53ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR/bundle.json","state_url":"https://pith.science/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR/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":"2026-07-05T15:43:31Z","links":{"resolver":"https://pith.science/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR","bundle":"https://pith.science/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR/bundle.json","state":"https://pith.science/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C2BCCWJRFZC7P2YQSCLCH6AGJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:C2BCCWJRFZC7P2YQSCLCH6AGJR","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":"87ceeb91fd677c4a388904398ba3293b6b1e7527222fdb7d5251b4e8912de9fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-10-01T12:59:43Z","title_canon_sha256":"8b8d177022460e1fc51a6c994fd30f296fd9e6b0198da7d62398fd9e884bd5b3"},"schema_version":"1.0","source":{"id":"1910.01517","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.01517","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"arxiv_version","alias_value":"1910.01517v1","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.01517","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"pith_short_12","alias_value":"C2BCCWJRFZC7","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"pith_short_16","alias_value":"C2BCCWJRFZC7P2YQ","created_at":"2026-07-05T00:09:30Z"},{"alias_kind":"pith_short_8","alias_value":"C2BCCWJR","created_at":"2026-07-05T00:09:30Z"}],"graph_snapshots":[{"event_id":"sha256:6d3a64f431645f688e52c37afd28fc318260b88de0829f2dc6eeae00d4dc53ce","target":"graph","created_at":"2026-07-05T00:09:30Z","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/1910.01517/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The threat of inserting hardware Trojans during the design, production, or in-field poses a danger for integrated circuits in real-world applications. A particular critical case of hardware Trojans is the malicious manipulation of third-party FPGA configurations. In addition to attack vectors during the design process, FPGAs can be infiltrated in a non-invasive manner after shipment through alterations of the bitstream. First, we present an improved methodology for bitstream file format reversing. Second, we introduce a novel idea for Trojan insertion.","authors_text":"Christof Paar, Maik Ender, Matthias Wilhelm, Paul Martin Knopp, Pawel Swierczynski, Sebastian Wallat","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-10-01T12:59:43Z","title":"Insights into the Mind of a Trojan Designer: The Challenge to Integrate a Trojan into the Bitstream"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.01517","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:bfd77223235c4ffd37bb840511da9989e13230d95c619987820ae9dfcf2c76e3","target":"record","created_at":"2026-07-05T00:09:30Z","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":"87ceeb91fd677c4a388904398ba3293b6b1e7527222fdb7d5251b4e8912de9fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-10-01T12:59:43Z","title_canon_sha256":"8b8d177022460e1fc51a6c994fd30f296fd9e6b0198da7d62398fd9e884bd5b3"},"schema_version":"1.0","source":{"id":"1910.01517","kind":"arxiv","version":1}},"canonical_sha256":"16822159312e45f7eb10909623f8064c625877717bf6fb03698bbf26f8755c14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16822159312e45f7eb10909623f8064c625877717bf6fb03698bbf26f8755c14","first_computed_at":"2026-07-05T00:09:30.991091Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:09:30.991091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o3PPRDHvv9bZwBIxmZ2oEJ1dUduriDSg+ffCoCYe+hewr341pMZtllKa5ZQbZ6PhTt30oE0H+qpZ0/FBzu/oCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:09:30.991493Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.01517","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bfd77223235c4ffd37bb840511da9989e13230d95c619987820ae9dfcf2c76e3","sha256:6d3a64f431645f688e52c37afd28fc318260b88de0829f2dc6eeae00d4dc53ce"],"state_sha256":"f168ec4aa504f958fb22993fcbaf9fb6db543ae01075353c5046a21845365f5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3K0L9DG2B8748+zgYO4qwcqpyj0M9UpBn9HV1kEWCP+IFQDtdGh8xqO/ZG0OLoEXewqZReaL/3Fe1dLRRTESBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:43:31.953029Z","bundle_sha256":"3f79900abd6640825f3b0b1d34f4d2c82f0acd0e720fee27212850291381cb7a"}}