{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:AGELF2N5HTKV5PI5ER7G2ZXKC5","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":"599d0d1743a92f2db08c960fa5a71550eb83765072d705ea677df5282f174156","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-04-07T08:05:31Z","title_canon_sha256":"2747f3f4f0be5438ec8507523d572703187731fad4eaac0ae8c10882f7c6f0e9"},"schema_version":"1.0","source":{"id":"2004.03183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.03183","created_at":"2026-07-05T01:56:41Z"},{"alias_kind":"arxiv_version","alias_value":"2004.03183v1","created_at":"2026-07-05T01:56:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.03183","created_at":"2026-07-05T01:56:41Z"},{"alias_kind":"pith_short_12","alias_value":"AGELF2N5HTKV","created_at":"2026-07-05T01:56:41Z"},{"alias_kind":"pith_short_16","alias_value":"AGELF2N5HTKV5PI5","created_at":"2026-07-05T01:56:41Z"},{"alias_kind":"pith_short_8","alias_value":"AGELF2N5","created_at":"2026-07-05T01:56:41Z"}],"graph_snapshots":[{"event_id":"sha256:6dcbf8e9ea937eaf2f1b3123cb229089a82769845e5f281a1ab2aac93db1412c","target":"graph","created_at":"2026-07-05T01:56:41Z","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/2004.03183/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the transmission of densely multiplexed solitons using a photonic integrated chip and the nonlinear Fourier-transform and analyze required launch conditions, the effect of (de-)multiplexing and noise on the nonlinear spectrum, and equalization techniques that can be used to enhance the transmission performance.","authors_text":"Alvaro Moscoso-M\\'artir, Florian Merget, Jeremy Witzens, Jonas Koch, Juliana M\\\"uller, Stephan Pachnicke","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-04-07T08:05:31Z","title":"Silicon Photonics DWDM NLFT Soliton Transmitter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.03183","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":"sha256:5bc521c53a52d2469cd7c77964b714011b6bbe9d10d577cb68ececa2b345e416","target":"record","created_at":"2026-07-05T01:56:41Z","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":"599d0d1743a92f2db08c960fa5a71550eb83765072d705ea677df5282f174156","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-04-07T08:05:31Z","title_canon_sha256":"2747f3f4f0be5438ec8507523d572703187731fad4eaac0ae8c10882f7c6f0e9"},"schema_version":"1.0","source":{"id":"2004.03183","kind":"arxiv","version":1}},"canonical_sha256":"0188b2e9bd3cd55ebd1d247e6d66ea174d3b23fd305dc2d9e32e60aa611735ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0188b2e9bd3cd55ebd1d247e6d66ea174d3b23fd305dc2d9e32e60aa611735ba","first_computed_at":"2026-07-05T01:56:41.372483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:56:41.372483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Og84oh8zOPcgqA40S52vmsowsYOr7E07IRndkPZP/Yd9SfJwwNhTUHFVDuzJld/imSW+p9Kw4fVwBLwTHSMDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:56:41.372951Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.03183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bc521c53a52d2469cd7c77964b714011b6bbe9d10d577cb68ececa2b345e416","sha256:6dcbf8e9ea937eaf2f1b3123cb229089a82769845e5f281a1ab2aac93db1412c"],"state_sha256":"eaea109e4df052ee33bb1bf06bfedd38b732e99c81cdafee36a7b5fae751fd94"}