{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6RMPHDTZW7YXON54NRIUBEGKAN","short_pith_number":"pith:6RMPHDTZ","canonical_record":{"source":{"id":"2502.03289","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-02-05T15:46:46Z","cross_cats_sorted":[],"title_canon_sha256":"a4abb22cb8179dc393de1601386bf61b7c0814028cba7aee6ce1aad13f95fd0e","abstract_canon_sha256":"7e3d24d3adff900da7168e8578b008adb456bdb9964aa65a83a0d501ad12f2f3"},"schema_version":"1.0"},"canonical_sha256":"f458f38e79b7f17737bc6c514090ca0340c3f1d23f2ca26d1d74ce278a5e53b9","source":{"kind":"arxiv","id":"2502.03289","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03289","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03289v2","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03289","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"pith_short_12","alias_value":"6RMPHDTZW7YX","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"pith_short_16","alias_value":"6RMPHDTZW7YXON54","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"pith_short_8","alias_value":"6RMPHDTZ","created_at":"2026-07-05T10:45:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6RMPHDTZW7YXON54NRIUBEGKAN","target":"record","payload":{"canonical_record":{"source":{"id":"2502.03289","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-02-05T15:46:46Z","cross_cats_sorted":[],"title_canon_sha256":"a4abb22cb8179dc393de1601386bf61b7c0814028cba7aee6ce1aad13f95fd0e","abstract_canon_sha256":"7e3d24d3adff900da7168e8578b008adb456bdb9964aa65a83a0d501ad12f2f3"},"schema_version":"1.0"},"canonical_sha256":"f458f38e79b7f17737bc6c514090ca0340c3f1d23f2ca26d1d74ce278a5e53b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:45:16.956528Z","signature_b64":"B/+6/G/ll7eOxJum8iLylwKyQnlvtVXEyfdk/yWnKLwUuad6nVSdzF5bLiv9TzrOoDTjK3wPL6biAPQO3JkkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f458f38e79b7f17737bc6c514090ca0340c3f1d23f2ca26d1d74ce278a5e53b9","last_reissued_at":"2026-07-05T10:45:16.956016Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:45:16.956016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.03289","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:45:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"90iQzJO4qaHkD0De2R/RV4o13SmeheZwnDS0W9H90iEbzSIwB0Df39OsY67EQjJglYzFuqXnmSxHJ4xphW+2Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:20:31.158948Z"},"content_sha256":"789c7d0a6f934f86708ba6a66484348dcd7baab4bbf2dda5358edbdb85357c3e","schema_version":"1.0","event_id":"sha256:789c7d0a6f934f86708ba6a66484348dcd7baab4bbf2dda5358edbdb85357c3e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6RMPHDTZW7YXON54NRIUBEGKAN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chirp-Permuted AFDM for Quantum-Resilient Physical-Layer Secure Communications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Giuseppe Thadeu Freitas de Abreu, Hyeon Seok Rou","submitted_at":"2025-02-05T15:46:46Z","abstract_excerpt":"We present a novel physical-layer secure communications scheme based on a chirp-permuted variant of the affine frequency division multiplexing (AFDM) waveform recently proposed for sixth-generation (6G) systems, which ensures that eavesdroppers unaware of the correct chirp-permutation face significant challenges in signal detection, even with perfect channel state information (CSI) and co-location with the legitimate user. The security of the proposed scheme is studied in terms of the complexity required to find the correct permutation via classical and quantum search algorithms, analytically "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03289","kind":"arxiv","version":2},"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/2502.03289/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":"2026-07-05T10:45:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8X3xXYhM5xv9krzjychpd6J766oWzNpuGfCgAAYK8zHD7nRvTAcufUgghFlFEhrz/06fqlpgabuG5bPy1tW5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:20:31.159615Z"},"content_sha256":"37a1d10e89c93e595a0c53ccd8060007c1db6775b32fe17515529c1117aceccf","schema_version":"1.0","event_id":"sha256:37a1d10e89c93e595a0c53ccd8060007c1db6775b32fe17515529c1117aceccf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6RMPHDTZW7YXON54NRIUBEGKAN/bundle.json","state_url":"https://pith.science/pith/6RMPHDTZW7YXON54NRIUBEGKAN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6RMPHDTZW7YXON54NRIUBEGKAN/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":"2026-08-10T14:20:31Z","links":{"resolver":"https://pith.science/pith/6RMPHDTZW7YXON54NRIUBEGKAN","bundle":"https://pith.science/pith/6RMPHDTZW7YXON54NRIUBEGKAN/bundle.json","state":"https://pith.science/pith/6RMPHDTZW7YXON54NRIUBEGKAN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6RMPHDTZW7YXON54NRIUBEGKAN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6RMPHDTZW7YXON54NRIUBEGKAN","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":"7e3d24d3adff900da7168e8578b008adb456bdb9964aa65a83a0d501ad12f2f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-02-05T15:46:46Z","title_canon_sha256":"a4abb22cb8179dc393de1601386bf61b7c0814028cba7aee6ce1aad13f95fd0e"},"schema_version":"1.0","source":{"id":"2502.03289","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03289","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03289v2","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03289","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"pith_short_12","alias_value":"6RMPHDTZW7YX","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"pith_short_16","alias_value":"6RMPHDTZW7YXON54","created_at":"2026-07-05T10:45:16Z"},{"alias_kind":"pith_short_8","alias_value":"6RMPHDTZ","created_at":"2026-07-05T10:45:16Z"}],"graph_snapshots":[{"event_id":"sha256:37a1d10e89c93e595a0c53ccd8060007c1db6775b32fe17515529c1117aceccf","target":"graph","created_at":"2026-07-05T10:45:16Z","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/2502.03289/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a novel physical-layer secure communications scheme based on a chirp-permuted variant of the affine frequency division multiplexing (AFDM) waveform recently proposed for sixth-generation (6G) systems, which ensures that eavesdroppers unaware of the correct chirp-permutation face significant challenges in signal detection, even with perfect channel state information (CSI) and co-location with the legitimate user. The security of the proposed scheme is studied in terms of the complexity required to find the correct permutation via classical and quantum search algorithms, analytically ","authors_text":"Giuseppe Thadeu Freitas de Abreu, Hyeon Seok Rou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-02-05T15:46:46Z","title":"Chirp-Permuted AFDM for Quantum-Resilient Physical-Layer Secure Communications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03289","kind":"arxiv","version":2},"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":"sha256:789c7d0a6f934f86708ba6a66484348dcd7baab4bbf2dda5358edbdb85357c3e","target":"record","created_at":"2026-07-05T10:45:16Z","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":"7e3d24d3adff900da7168e8578b008adb456bdb9964aa65a83a0d501ad12f2f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-02-05T15:46:46Z","title_canon_sha256":"a4abb22cb8179dc393de1601386bf61b7c0814028cba7aee6ce1aad13f95fd0e"},"schema_version":"1.0","source":{"id":"2502.03289","kind":"arxiv","version":2}},"canonical_sha256":"f458f38e79b7f17737bc6c514090ca0340c3f1d23f2ca26d1d74ce278a5e53b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f458f38e79b7f17737bc6c514090ca0340c3f1d23f2ca26d1d74ce278a5e53b9","first_computed_at":"2026-07-05T10:45:16.956016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:45:16.956016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B/+6/G/ll7eOxJum8iLylwKyQnlvtVXEyfdk/yWnKLwUuad6nVSdzF5bLiv9TzrOoDTjK3wPL6biAPQO3JkkAA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:45:16.956528Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.03289","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:789c7d0a6f934f86708ba6a66484348dcd7baab4bbf2dda5358edbdb85357c3e","sha256:37a1d10e89c93e595a0c53ccd8060007c1db6775b32fe17515529c1117aceccf"],"state_sha256":"f2b3c690a182ec2db26cdf59904184d2514d3618c3335ce6aa56a6ae96641f49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8ACStDUGJSNKJLq/etSTlUgoM/oThjOOGgYZ1yRueLtLdGE9q6U5gl5O+6dt93R+v//p2QOfJWmnFUUy4Y36BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T14:20:31.165171Z","bundle_sha256":"a665c79f761d6d57d4ca9bad34f08c88302286db93ac7d6c1349b8590735dd9b"}}