{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:NLZ4DE34XJ5MKHPJJVFKUG4ZXP","short_pith_number":"pith:NLZ4DE34","canonical_record":{"source":{"id":"1304.4181","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-04-15T17:32:43Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"01bb3dd12b99fb600423eac1e16dd1f10c93199d95378c42fc3e0c41c40a1095","abstract_canon_sha256":"c9ba544a0d412f0415113be0760741da80178060e6676340537d4bc519235aa6"},"schema_version":"1.0"},"canonical_sha256":"6af3c1937cba7ac51de94d4aaa1b99bbff5b5a4922de405f13769c815f7c8508","source":{"kind":"arxiv","id":"1304.4181","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.4181","created_at":"2026-05-18T00:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1304.4181v2","created_at":"2026-05-18T00:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.4181","created_at":"2026-05-18T00:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"NLZ4DE34XJ5M","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NLZ4DE34XJ5MKHPJ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NLZ4DE34","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:NLZ4DE34XJ5MKHPJJVFKUG4ZXP","target":"record","payload":{"canonical_record":{"source":{"id":"1304.4181","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-04-15T17:32:43Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"01bb3dd12b99fb600423eac1e16dd1f10c93199d95378c42fc3e0c41c40a1095","abstract_canon_sha256":"c9ba544a0d412f0415113be0760741da80178060e6676340537d4bc519235aa6"},"schema_version":"1.0"},"canonical_sha256":"6af3c1937cba7ac51de94d4aaa1b99bbff5b5a4922de405f13769c815f7c8508","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:42.484043Z","signature_b64":"hGYI2oQiVUhepfr/6gckKR4wwQds/q7sdOMIulQb81X2IRqAJdFfik26XZjw8hmjdiY75TTSl2Y84mwLUShdAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6af3c1937cba7ac51de94d4aaa1b99bbff5b5a4922de405f13769c815f7c8508","last_reissued_at":"2026-05-18T00:58:42.483572Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:42.483572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.4181","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":"2026-05-18T00:58:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yyZHMTfI43hja5BAdrku1Mb6BHBmg0c8bFglYwmeYSZ7THPVdtwL6vwfdtxZoElHlZI4YhbW9JtnAjXhzSLiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:20:33.682392Z"},"content_sha256":"7d239561e567038acfc0c13524c781fbb8215a37992f61f9d2c28d6600b175dc","schema_version":"1.0","event_id":"sha256:7d239561e567038acfc0c13524c781fbb8215a37992f61f9d2c28d6600b175dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:NLZ4DE34XJ5MKHPJJVFKUG4ZXP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rate-Distortion-Based Physical Layer Secrecy with Applications to Multimode Fiber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"cs.CR","authors_text":"Emina Soljanin, Eva C. Song, H. Vincent Poor, Kyle Guan, Paul Cuff","submitted_at":"2013-04-15T17:32:43Z","abstract_excerpt":"Optical networks are vulnerable to physical layer attacks; wiretappers can improperly receive messages intended for legitimate recipients. Our work considers an aspect of this security problem within the domain of multimode fiber (MMF) transmission. MMF transmission can be modeled via a broadcast channel in which both the legitimate receiver's and wiretapper's channels are multiple-input-multiple-output complex Gaussian channels. Source-channel coding analyses based on the use of distortion as the metric for secrecy are developed. Alice has a source sequence to be encoded and transmitted over "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.4181","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":""},"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":"2026-05-18T00:58:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P5R2a8Yy6pokBBE6GtoSskH9KMqwedfK6hQdJtd08zyAacbsqpRhP85UAs7TViNaVZ1SSkkyxReZedIxMzXyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:20:33.682813Z"},"content_sha256":"7da20a85036a9659cc1aa2e13c037d2a3cb21a85c7617a472a235b55c7453336","schema_version":"1.0","event_id":"sha256:7da20a85036a9659cc1aa2e13c037d2a3cb21a85c7617a472a235b55c7453336"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP/bundle.json","state_url":"https://pith.science/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP/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":"2026-06-03T09:20:33Z","links":{"resolver":"https://pith.science/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP","bundle":"https://pith.science/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP/bundle.json","state":"https://pith.science/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NLZ4DE34XJ5MKHPJJVFKUG4ZXP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:NLZ4DE34XJ5MKHPJJVFKUG4ZXP","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":"c9ba544a0d412f0415113be0760741da80178060e6676340537d4bc519235aa6","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-04-15T17:32:43Z","title_canon_sha256":"01bb3dd12b99fb600423eac1e16dd1f10c93199d95378c42fc3e0c41c40a1095"},"schema_version":"1.0","source":{"id":"1304.4181","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.4181","created_at":"2026-05-18T00:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1304.4181v2","created_at":"2026-05-18T00:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.4181","created_at":"2026-05-18T00:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"NLZ4DE34XJ5M","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NLZ4DE34XJ5MKHPJ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NLZ4DE34","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:7da20a85036a9659cc1aa2e13c037d2a3cb21a85c7617a472a235b55c7453336","target":"graph","created_at":"2026-05-18T00:58:42Z","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"},"paper":{"abstract_excerpt":"Optical networks are vulnerable to physical layer attacks; wiretappers can improperly receive messages intended for legitimate recipients. Our work considers an aspect of this security problem within the domain of multimode fiber (MMF) transmission. MMF transmission can be modeled via a broadcast channel in which both the legitimate receiver's and wiretapper's channels are multiple-input-multiple-output complex Gaussian channels. Source-channel coding analyses based on the use of distortion as the metric for secrecy are developed. Alice has a source sequence to be encoded and transmitted over ","authors_text":"Emina Soljanin, Eva C. Song, H. Vincent Poor, Kyle Guan, Paul Cuff","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-04-15T17:32:43Z","title":"Rate-Distortion-Based Physical Layer Secrecy with Applications to Multimode Fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.4181","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":"sha256:7d239561e567038acfc0c13524c781fbb8215a37992f61f9d2c28d6600b175dc","target":"record","created_at":"2026-05-18T00:58:42Z","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":"c9ba544a0d412f0415113be0760741da80178060e6676340537d4bc519235aa6","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-04-15T17:32:43Z","title_canon_sha256":"01bb3dd12b99fb600423eac1e16dd1f10c93199d95378c42fc3e0c41c40a1095"},"schema_version":"1.0","source":{"id":"1304.4181","kind":"arxiv","version":2}},"canonical_sha256":"6af3c1937cba7ac51de94d4aaa1b99bbff5b5a4922de405f13769c815f7c8508","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6af3c1937cba7ac51de94d4aaa1b99bbff5b5a4922de405f13769c815f7c8508","first_computed_at":"2026-05-18T00:58:42.483572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:42.483572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hGYI2oQiVUhepfr/6gckKR4wwQds/q7sdOMIulQb81X2IRqAJdFfik26XZjw8hmjdiY75TTSl2Y84mwLUShdAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:42.484043Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.4181","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d239561e567038acfc0c13524c781fbb8215a37992f61f9d2c28d6600b175dc","sha256:7da20a85036a9659cc1aa2e13c037d2a3cb21a85c7617a472a235b55c7453336"],"state_sha256":"add71546193922bfb744b6f77197edf979d758a6a412e8fa423fa1cbea64b010"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BwW8C/awgWdACsTDh2eKdHFoQ4OMFx6gMzhsCjEfT0dsGrk9/MZePSvJAK7ca/PNKwa8qYOUXsGzBnVy2CudDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T09:20:33.684761Z","bundle_sha256":"0c5b6edeabcb49cf962d4ae371d9c9166cd7a73ed22169d095c5aa6d8a812935"}}