{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TBS43QMT6VIDJX4HQFV4PGCL5M","short_pith_number":"pith:TBS43QMT","canonical_record":{"source":{"id":"1208.1276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2012-08-06T20:40:02Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"aeafaf5ce9346bd91299bf2f99b31f8e7d5758d368c2c2365eecec0188a3c46a","abstract_canon_sha256":"01851f2e6071e50c475f12bafe2b838086058022b0b4199ed547ec09c23c8e68"},"schema_version":"1.0"},"canonical_sha256":"9865cdc193f55034df87816bc7984beb1c1a101f176fce41ba67ef17e383bf4c","source":{"kind":"arxiv","id":"1208.1276","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1276","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1276v1","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1276","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"TBS43QMT6VID","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TBS43QMT6VIDJX4H","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TBS43QMT","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TBS43QMT6VIDJX4HQFV4PGCL5M","target":"record","payload":{"canonical_record":{"source":{"id":"1208.1276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2012-08-06T20:40:02Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"aeafaf5ce9346bd91299bf2f99b31f8e7d5758d368c2c2365eecec0188a3c46a","abstract_canon_sha256":"01851f2e6071e50c475f12bafe2b838086058022b0b4199ed547ec09c23c8e68"},"schema_version":"1.0"},"canonical_sha256":"9865cdc193f55034df87816bc7984beb1c1a101f176fce41ba67ef17e383bf4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:24.142938Z","signature_b64":"xlOuogo7QFaMCmErWyH/vcEftUZQiGZXUH5OiqJHRbPz303HS0OMrExqyRxxJcL4hF5JFgDw6tjHN8TzQoTmCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9865cdc193f55034df87816bc7984beb1c1a101f176fce41ba67ef17e383bf4c","last_reissued_at":"2026-05-18T03:48:24.142367Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:24.142367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.1276","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":"2026-05-18T03:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s/O5e3MIfhzO9oLb8V1VD98sxFkTRpif9tyUaxTn31G/URBtUMAbLVoFrCHPz1HWDwSiY9SNxj5W4YPo5HsaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T07:20:00.105203Z"},"content_sha256":"57cd62dec84889fe11d173d9c735559a6f4848a03f6e13e102b5df7335a09a80","schema_version":"1.0","event_id":"sha256:57cd62dec84889fe11d173d9c735559a6f4848a03f6e13e102b5df7335a09a80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TBS43QMT6VIDJX4HQFV4PGCL5M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly-complex optical signal generation using electro-optical systems with non-linear, non-invertible transmission functions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"nlin.CD","authors_text":"Bicky A. M\\'arquez, Jorge A. Gonz\\'alez, Jos\\'e J. Su\\'arez-Vargas","submitted_at":"2012-08-06T20:40:02Z","abstract_excerpt":"We present a scheme whereby a static non-linear, non-invertible transmission function performed by the electro-optic Mach-Zehnder modulator produces highly complex optical chaos. The scheme allows the deterministic transformation of low-dimensional band-limited chaotic signals into much higher-dimensional structures with broadband spectra and without using any delay elements or feedback. Standard benchmark tests show that all the considered complexity indices are highly increased due to this transformation in a controlled fashion. This mechanism allows the design of simple optoelectronic delay"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1276","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":""},"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":"2026-05-18T03:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pIrC+yu1T9xbD8Ms/RWK/+uyqp9FSC3Y4M7Wfwx7cK/DOut3bu3FceuB7R49u7bs2vPregYfeyKoHfJxxd52CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T07:20:00.105574Z"},"content_sha256":"0741acd12c58bc5111f5af0fe0f73f919118445b6902e375c71fcc95592c7041","schema_version":"1.0","event_id":"sha256:0741acd12c58bc5111f5af0fe0f73f919118445b6902e375c71fcc95592c7041"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TBS43QMT6VIDJX4HQFV4PGCL5M/bundle.json","state_url":"https://pith.science/pith/TBS43QMT6VIDJX4HQFV4PGCL5M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TBS43QMT6VIDJX4HQFV4PGCL5M/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":"2026-06-23T07:20:00Z","links":{"resolver":"https://pith.science/pith/TBS43QMT6VIDJX4HQFV4PGCL5M","bundle":"https://pith.science/pith/TBS43QMT6VIDJX4HQFV4PGCL5M/bundle.json","state":"https://pith.science/pith/TBS43QMT6VIDJX4HQFV4PGCL5M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TBS43QMT6VIDJX4HQFV4PGCL5M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TBS43QMT6VIDJX4HQFV4PGCL5M","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":"01851f2e6071e50c475f12bafe2b838086058022b0b4199ed547ec09c23c8e68","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2012-08-06T20:40:02Z","title_canon_sha256":"aeafaf5ce9346bd91299bf2f99b31f8e7d5758d368c2c2365eecec0188a3c46a"},"schema_version":"1.0","source":{"id":"1208.1276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1276","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1276v1","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1276","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"TBS43QMT6VID","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TBS43QMT6VIDJX4H","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TBS43QMT","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:0741acd12c58bc5111f5af0fe0f73f919118445b6902e375c71fcc95592c7041","target":"graph","created_at":"2026-05-18T03:48:24Z","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":"We present a scheme whereby a static non-linear, non-invertible transmission function performed by the electro-optic Mach-Zehnder modulator produces highly complex optical chaos. The scheme allows the deterministic transformation of low-dimensional band-limited chaotic signals into much higher-dimensional structures with broadband spectra and without using any delay elements or feedback. Standard benchmark tests show that all the considered complexity indices are highly increased due to this transformation in a controlled fashion. This mechanism allows the design of simple optoelectronic delay","authors_text":"Bicky A. M\\'arquez, Jorge A. Gonz\\'alez, Jos\\'e J. Su\\'arez-Vargas","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2012-08-06T20:40:02Z","title":"Highly-complex optical signal generation using electro-optical systems with non-linear, non-invertible transmission functions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1276","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":"sha256:57cd62dec84889fe11d173d9c735559a6f4848a03f6e13e102b5df7335a09a80","target":"record","created_at":"2026-05-18T03:48:24Z","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":"01851f2e6071e50c475f12bafe2b838086058022b0b4199ed547ec09c23c8e68","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2012-08-06T20:40:02Z","title_canon_sha256":"aeafaf5ce9346bd91299bf2f99b31f8e7d5758d368c2c2365eecec0188a3c46a"},"schema_version":"1.0","source":{"id":"1208.1276","kind":"arxiv","version":1}},"canonical_sha256":"9865cdc193f55034df87816bc7984beb1c1a101f176fce41ba67ef17e383bf4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9865cdc193f55034df87816bc7984beb1c1a101f176fce41ba67ef17e383bf4c","first_computed_at":"2026-05-18T03:48:24.142367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:24.142367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xlOuogo7QFaMCmErWyH/vcEftUZQiGZXUH5OiqJHRbPz303HS0OMrExqyRxxJcL4hF5JFgDw6tjHN8TzQoTmCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:24.142938Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.1276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57cd62dec84889fe11d173d9c735559a6f4848a03f6e13e102b5df7335a09a80","sha256:0741acd12c58bc5111f5af0fe0f73f919118445b6902e375c71fcc95592c7041"],"state_sha256":"88346b2fe57c589f08cf643033a61b1477a204bc71213fe5165f5d750eb5e7f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fi8YheTnK+DF9XWsvEkZ/Z2Jxr6c3UN8lBH0XLaX8+J2MyNrGPOflcFFCB4101VwfmZbFUGCwVeD88YuPjniDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T07:20:00.107481Z","bundle_sha256":"5f7b5eda147924684246f773d5cd419ea733d6bf8389a23e33ab75216a3dc48d"}}