{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:NU6PXPUVJ72GV3WKRW6GEM7SZM","short_pith_number":"pith:NU6PXPUV","schema_version":"1.0","canonical_sha256":"6d3cfbbe954ff46aeeca8dbc6233f2cb1a8f41ff85e0f30e4f9b54e09d2c0daf","source":{"kind":"arxiv","id":"1605.08069","version":1},"attestation_state":"computed","paper":{"title":"Transmission of Waveforms Determined by 7 Eigenvalues with PSK-Modulated Spectral Amplitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"physics.optics","authors_text":"Henning Buelow, Vahid Aref, Wilfried Idler","submitted_at":"2016-05-23T08:33:09Z","abstract_excerpt":"2-ns waveforms with 7 eigenvalues and their QPSK-modulated spectral amplitudes were optimized by taking constraints of link, transmitter, and receiver into account. In experiment these signals were transmitted with a BER of 3.2E-3 over 1440-km of NZ-DSF fiber spans."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1605.08069","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-05-23T08:33:09Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"57775f67e49e7849f26fb95aef55da178f9295591336bca8f291aa6f985776c6","abstract_canon_sha256":"69a1a80b92f3ea65278185043a2076bf98d5f9f4f02d9b048f365bd2d64e95c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:37.239229Z","signature_b64":"BRU+qZe4Wmk01cHf8Kv7Nd+yrrkRUY5k/Q1NdTqCxsQ7tQUi6m2CjzesriSlZI/vp52zG4chg54EdZU0HWVNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d3cfbbe954ff46aeeca8dbc6233f2cb1a8f41ff85e0f30e4f9b54e09d2c0daf","last_reissued_at":"2026-05-18T01:13:37.238593Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:37.238593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Transmission of Waveforms Determined by 7 Eigenvalues with PSK-Modulated Spectral Amplitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"physics.optics","authors_text":"Henning Buelow, Vahid Aref, Wilfried Idler","submitted_at":"2016-05-23T08:33:09Z","abstract_excerpt":"2-ns waveforms with 7 eigenvalues and their QPSK-modulated spectral amplitudes were optimized by taking constraints of link, transmitter, and receiver into account. In experiment these signals were transmitted with a BER of 3.2E-3 over 1440-km of NZ-DSF fiber spans."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08069","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1605.08069","created_at":"2026-05-18T01:13:37.238705+00:00"},{"alias_kind":"arxiv_version","alias_value":"1605.08069v1","created_at":"2026-05-18T01:13:37.238705+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08069","created_at":"2026-05-18T01:13:37.238705+00:00"},{"alias_kind":"pith_short_12","alias_value":"NU6PXPUVJ72G","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"NU6PXPUVJ72GV3WK","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"NU6PXPUV","created_at":"2026-05-18T12:30:36.002864+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM","json":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM.json","graph_json":"https://pith.science/api/pith-number/NU6PXPUVJ72GV3WKRW6GEM7SZM/graph.json","events_json":"https://pith.science/api/pith-number/NU6PXPUVJ72GV3WKRW6GEM7SZM/events.json","paper":"https://pith.science/paper/NU6PXPUV"},"agent_actions":{"view_html":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM","download_json":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM.json","view_paper":"https://pith.science/paper/NU6PXPUV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1605.08069&json=true","fetch_graph":"https://pith.science/api/pith-number/NU6PXPUVJ72GV3WKRW6GEM7SZM/graph.json","fetch_events":"https://pith.science/api/pith-number/NU6PXPUVJ72GV3WKRW6GEM7SZM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM/action/storage_attestation","attest_author":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM/action/author_attestation","sign_citation":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM/action/citation_signature","submit_replication":"https://pith.science/pith/NU6PXPUVJ72GV3WKRW6GEM7SZM/action/replication_record"}},"created_at":"2026-05-18T01:13:37.238705+00:00","updated_at":"2026-05-18T01:13:37.238705+00:00"}