{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Q2G73DATECDFITKTVLYAWSFFSE","short_pith_number":"pith:Q2G73DAT","canonical_record":{"source":{"id":"2311.02795","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2023-11-05T23:46:25Z","cross_cats_sorted":[],"title_canon_sha256":"2f437cc5ae21d491331ad19b8fd210fca2014547f289b8c3c064273759a8557e","abstract_canon_sha256":"699861697804cea470f9934ef1e9db81fac6b104a4e8bef2e6ea3b09a902eb1d"},"schema_version":"1.0"},"canonical_sha256":"868dfd8c132086544d53aaf00b48a5912206637cc69b3a61dd8dbe985d72c7b6","source":{"kind":"arxiv","id":"2311.02795","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.02795","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"arxiv_version","alias_value":"2311.02795v1","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.02795","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"pith_short_12","alias_value":"Q2G73DATECDF","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q2G73DATECDFITKT","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q2G73DAT","created_at":"2026-07-05T07:09:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Q2G73DATECDFITKTVLYAWSFFSE","target":"record","payload":{"canonical_record":{"source":{"id":"2311.02795","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2023-11-05T23:46:25Z","cross_cats_sorted":[],"title_canon_sha256":"2f437cc5ae21d491331ad19b8fd210fca2014547f289b8c3c064273759a8557e","abstract_canon_sha256":"699861697804cea470f9934ef1e9db81fac6b104a4e8bef2e6ea3b09a902eb1d"},"schema_version":"1.0"},"canonical_sha256":"868dfd8c132086544d53aaf00b48a5912206637cc69b3a61dd8dbe985d72c7b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:09:18.189813Z","signature_b64":"soq2hx1Zt6O84y5HKBn8iq2j/O+2kKf6zDiNxgLiU9PIMeuJFvg/hqWjrrFzRkDaAmgH1V+I0mhGFyarH+DVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"868dfd8c132086544d53aaf00b48a5912206637cc69b3a61dd8dbe985d72c7b6","last_reissued_at":"2026-07-05T07:09:18.189361Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:09:18.189361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.02795","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":"2026-07-05T07:09:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yvDqtVvVXMelSbxaWYid0/BSHfidsJwHHbr+UkcvdqACmYVplGZx6O5MGMhOlfjRwbePWkKFVKigLeTbAC+3CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T23:10:24.027624Z"},"content_sha256":"23ced8e7e981ea505aaaf7426097954d0a933583dd784a437102a35769604cbc","schema_version":"1.0","event_id":"sha256:23ced8e7e981ea505aaaf7426097954d0a933583dd784a437102a35769604cbc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Q2G73DATECDFITKTVLYAWSFFSE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PermutEx: Feature-Extraction-Based Permutation -- A New Diffusion Scheme for Image Encryption Algorithms","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Ahmed Al-Dubai, Jawad Ahmad, Muhammad Shahbaz Khan, Nikolaos Pitropakis, William J. Buchanan, Zakwan Jaroucheh","submitted_at":"2023-11-05T23:46:25Z","abstract_excerpt":"Traditional permutation schemes mostly focus on random scrambling of pixels, often neglecting the intrinsic image information that could enhance diffusion in image encryption algorithms. This paper introduces PermutEx, a feature-extraction-based permutation method that utilizes inherent image features to scramble pixels effectively. Unlike random permutation schemes, PermutEx extracts the spatial frequency and local contrast features of the image and ranks each pixel based on this information, identifying which pixels are more important or information-rich based on texture and edge information"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.02795","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/2311.02795/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":"2026-07-05T07:09:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jifSo3qufRyHhe8JPbE7HYEu2yjjcK+ikCkiHpK6ZDF4LyyAyhaaAhS22l+5fRZJ6Heu5QiqnVFNCjFAy7SDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T23:10:24.028004Z"},"content_sha256":"a6404ad4ca0dbb81ae348f3412387f02ac7e3f51149b8dd050ab4c51579c2be4","schema_version":"1.0","event_id":"sha256:a6404ad4ca0dbb81ae348f3412387f02ac7e3f51149b8dd050ab4c51579c2be4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2G73DATECDFITKTVLYAWSFFSE/bundle.json","state_url":"https://pith.science/pith/Q2G73DATECDFITKTVLYAWSFFSE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2G73DATECDFITKTVLYAWSFFSE/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":"2026-08-05T23:10:24Z","links":{"resolver":"https://pith.science/pith/Q2G73DATECDFITKTVLYAWSFFSE","bundle":"https://pith.science/pith/Q2G73DATECDFITKTVLYAWSFFSE/bundle.json","state":"https://pith.science/pith/Q2G73DATECDFITKTVLYAWSFFSE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2G73DATECDFITKTVLYAWSFFSE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Q2G73DATECDFITKTVLYAWSFFSE","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":"699861697804cea470f9934ef1e9db81fac6b104a4e8bef2e6ea3b09a902eb1d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2023-11-05T23:46:25Z","title_canon_sha256":"2f437cc5ae21d491331ad19b8fd210fca2014547f289b8c3c064273759a8557e"},"schema_version":"1.0","source":{"id":"2311.02795","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.02795","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"arxiv_version","alias_value":"2311.02795v1","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.02795","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"pith_short_12","alias_value":"Q2G73DATECDF","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q2G73DATECDFITKT","created_at":"2026-07-05T07:09:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q2G73DAT","created_at":"2026-07-05T07:09:18Z"}],"graph_snapshots":[{"event_id":"sha256:a6404ad4ca0dbb81ae348f3412387f02ac7e3f51149b8dd050ab4c51579c2be4","target":"graph","created_at":"2026-07-05T07:09:18Z","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/2311.02795/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Traditional permutation schemes mostly focus on random scrambling of pixels, often neglecting the intrinsic image information that could enhance diffusion in image encryption algorithms. This paper introduces PermutEx, a feature-extraction-based permutation method that utilizes inherent image features to scramble pixels effectively. Unlike random permutation schemes, PermutEx extracts the spatial frequency and local contrast features of the image and ranks each pixel based on this information, identifying which pixels are more important or information-rich based on texture and edge information","authors_text":"Ahmed Al-Dubai, Jawad Ahmad, Muhammad Shahbaz Khan, Nikolaos Pitropakis, William J. Buchanan, Zakwan Jaroucheh","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2023-11-05T23:46:25Z","title":"PermutEx: Feature-Extraction-Based Permutation -- A New Diffusion Scheme for Image Encryption Algorithms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.02795","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":"sha256:23ced8e7e981ea505aaaf7426097954d0a933583dd784a437102a35769604cbc","target":"record","created_at":"2026-07-05T07:09:18Z","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":"699861697804cea470f9934ef1e9db81fac6b104a4e8bef2e6ea3b09a902eb1d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2023-11-05T23:46:25Z","title_canon_sha256":"2f437cc5ae21d491331ad19b8fd210fca2014547f289b8c3c064273759a8557e"},"schema_version":"1.0","source":{"id":"2311.02795","kind":"arxiv","version":1}},"canonical_sha256":"868dfd8c132086544d53aaf00b48a5912206637cc69b3a61dd8dbe985d72c7b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"868dfd8c132086544d53aaf00b48a5912206637cc69b3a61dd8dbe985d72c7b6","first_computed_at":"2026-07-05T07:09:18.189361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:09:18.189361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"soq2hx1Zt6O84y5HKBn8iq2j/O+2kKf6zDiNxgLiU9PIMeuJFvg/hqWjrrFzRkDaAmgH1V+I0mhGFyarH+DVDA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:09:18.189813Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.02795","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23ced8e7e981ea505aaaf7426097954d0a933583dd784a437102a35769604cbc","sha256:a6404ad4ca0dbb81ae348f3412387f02ac7e3f51149b8dd050ab4c51579c2be4"],"state_sha256":"52473d43654f78fabc20e50a2debe1cfc28cee3ef08ce3aa3bbe9fb5a4cdf433"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2CR8lWerGP71wUQt6V2TcgBHZycZEEAAc7iubiJSk7WbgvUzR5sV4kWIzoi+AOIwgTQu/oMGRNaeND/CmQRNAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T23:10:24.031373Z","bundle_sha256":"12ace8e770d90a602b2fe26110a6d04e6cc746f0eafc1457aff05ee41f8b51ec"}}