{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:H2TFMQZPKKMJFCH5VVVDEOFBXM","short_pith_number":"pith:H2TFMQZP","canonical_record":{"source":{"id":"2508.19309","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2025-08-26T08:33:18Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"fbc2e00c292362be1e8d603cdaf631e1e94193c5284941440f61a9c48303c3e9","abstract_canon_sha256":"837a99fdeb92b4742495d321bcafe8633f61cd7664d93595deb20f393008ec80"},"schema_version":"1.0"},"canonical_sha256":"3ea656432f52989288fdad6a3238a1bb2bce905bac622d622ab201a1a6825fc2","source":{"kind":"arxiv","id":"2508.19309","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.19309","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"arxiv_version","alias_value":"2508.19309v1","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.19309","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"pith_short_12","alias_value":"H2TFMQZPKKMJ","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"pith_short_16","alias_value":"H2TFMQZPKKMJFCH5","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"pith_short_8","alias_value":"H2TFMQZP","created_at":"2026-07-05T11:59:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:H2TFMQZPKKMJFCH5VVVDEOFBXM","target":"record","payload":{"canonical_record":{"source":{"id":"2508.19309","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2025-08-26T08:33:18Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"fbc2e00c292362be1e8d603cdaf631e1e94193c5284941440f61a9c48303c3e9","abstract_canon_sha256":"837a99fdeb92b4742495d321bcafe8633f61cd7664d93595deb20f393008ec80"},"schema_version":"1.0"},"canonical_sha256":"3ea656432f52989288fdad6a3238a1bb2bce905bac622d622ab201a1a6825fc2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:59:42.938207Z","signature_b64":"vZQuOz1MNRb2rPVQzzHyke64lmqu47yAQooO3y9XyfYzjItN3wdaTji6cvcBPK1QIx9+NjJn1ZWvz75KjPeZAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ea656432f52989288fdad6a3238a1bb2bce905bac622d622ab201a1a6825fc2","last_reissued_at":"2026-07-05T11:59:42.937786Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:59:42.937786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.19309","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":"2026-07-05T11:59:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iWuhXogzJdcQoCJi+B5WrtjGBee2pedIJNlordA3pgMcQ3SjjH2kFzhaYQWIIfayosPPg3KeHMpPtgxcrXctCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T20:31:01.643076Z"},"content_sha256":"cd381b745d21d1733e6dd74cafec90c7f9720e6de4425742813c6756df951978","schema_version":"1.0","event_id":"sha256:cd381b745d21d1733e6dd74cafec90c7f9720e6de4425742813c6756df951978"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:H2TFMQZPKKMJFCH5VVVDEOFBXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Leveraging 3D Technologies for Hardware Security: Opportunities and Challenges","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"cs.CR","authors_text":"Dylan Stow, Eren Kursshan, Liu Liu, Peng Gu, Russell Barnes, Shuangchen Li, Yuan Xie","submitted_at":"2025-08-26T08:33:18Z","abstract_excerpt":"3D die stacking and 2.5D interposer design are promising technologies to improve integration density, performance and cost. Current approaches face serious issues in dealing with emerging security challenges such as side channel attacks, hardware trojans, secure IC manufacturing and IP piracy. By utilizing intrinsic characteristics of 2.5D and 3D technologies, we propose novel opportunities in designing secure systems. We present: (i) a 3D architecture for shielding side-channel information; (ii) split fabrication using active interposers; (iii) circuit camouflage on monolithic 3D IC, and (iv)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.19309","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/2508.19309/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":"2026-07-05T11:59:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oj8k/0+FF1G2BtasIQxXRXBNbahduiFNtZlCyEnpWgQw70s++zPhUM5M2WVJeRWKfSX/1guFSOUcwPxHA5loAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T20:31:01.643785Z"},"content_sha256":"38c1190b836413e310a82575462cd65a620a1c22d1d8c1c070632f161826cf37","schema_version":"1.0","event_id":"sha256:38c1190b836413e310a82575462cd65a620a1c22d1d8c1c070632f161826cf37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM/bundle.json","state_url":"https://pith.science/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM/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":"2026-08-11T20:31:01Z","links":{"resolver":"https://pith.science/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM","bundle":"https://pith.science/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM/bundle.json","state":"https://pith.science/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H2TFMQZPKKMJFCH5VVVDEOFBXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:H2TFMQZPKKMJFCH5VVVDEOFBXM","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":"837a99fdeb92b4742495d321bcafe8633f61cd7664d93595deb20f393008ec80","cross_cats_sorted":["cs.ET"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2025-08-26T08:33:18Z","title_canon_sha256":"fbc2e00c292362be1e8d603cdaf631e1e94193c5284941440f61a9c48303c3e9"},"schema_version":"1.0","source":{"id":"2508.19309","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.19309","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"arxiv_version","alias_value":"2508.19309v1","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.19309","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"pith_short_12","alias_value":"H2TFMQZPKKMJ","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"pith_short_16","alias_value":"H2TFMQZPKKMJFCH5","created_at":"2026-07-05T11:59:42Z"},{"alias_kind":"pith_short_8","alias_value":"H2TFMQZP","created_at":"2026-07-05T11:59:42Z"}],"graph_snapshots":[{"event_id":"sha256:38c1190b836413e310a82575462cd65a620a1c22d1d8c1c070632f161826cf37","target":"graph","created_at":"2026-07-05T11:59:42Z","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/2508.19309/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"3D die stacking and 2.5D interposer design are promising technologies to improve integration density, performance and cost. Current approaches face serious issues in dealing with emerging security challenges such as side channel attacks, hardware trojans, secure IC manufacturing and IP piracy. By utilizing intrinsic characteristics of 2.5D and 3D technologies, we propose novel opportunities in designing secure systems. We present: (i) a 3D architecture for shielding side-channel information; (ii) split fabrication using active interposers; (iii) circuit camouflage on monolithic 3D IC, and (iv)","authors_text":"Dylan Stow, Eren Kursshan, Liu Liu, Peng Gu, Russell Barnes, Shuangchen Li, Yuan Xie","cross_cats":["cs.ET"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2025-08-26T08:33:18Z","title":"Leveraging 3D Technologies for Hardware Security: Opportunities and Challenges"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.19309","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:cd381b745d21d1733e6dd74cafec90c7f9720e6de4425742813c6756df951978","target":"record","created_at":"2026-07-05T11:59:42Z","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":"837a99fdeb92b4742495d321bcafe8633f61cd7664d93595deb20f393008ec80","cross_cats_sorted":["cs.ET"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2025-08-26T08:33:18Z","title_canon_sha256":"fbc2e00c292362be1e8d603cdaf631e1e94193c5284941440f61a9c48303c3e9"},"schema_version":"1.0","source":{"id":"2508.19309","kind":"arxiv","version":1}},"canonical_sha256":"3ea656432f52989288fdad6a3238a1bb2bce905bac622d622ab201a1a6825fc2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ea656432f52989288fdad6a3238a1bb2bce905bac622d622ab201a1a6825fc2","first_computed_at":"2026-07-05T11:59:42.937786Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:59:42.937786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vZQuOz1MNRb2rPVQzzHyke64lmqu47yAQooO3y9XyfYzjItN3wdaTji6cvcBPK1QIx9+NjJn1ZWvz75KjPeZAg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:59:42.938207Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.19309","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd381b745d21d1733e6dd74cafec90c7f9720e6de4425742813c6756df951978","sha256:38c1190b836413e310a82575462cd65a620a1c22d1d8c1c070632f161826cf37"],"state_sha256":"37e708067bd7462609da2f3a0c688345ae0d932fffb8ca60f3f28ed98c3c1b04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4JtbbHqDFL3WN+uctdtm0dxOcCb99AmNlsMX6wvp551XgstwnF8d2hJKfJdHZPO1pOCxlFetrT+zMkpwAduJBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T20:31:01.649335Z","bundle_sha256":"1b6b41b165bfae43c4d6dfe0d15f747dd48677d9ffed5f239caebd7552b1d0cb"}}