{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:O4M62V4ERES6P3SNGNJXYTTC3K","short_pith_number":"pith:O4M62V4E","canonical_record":{"source":{"id":"2009.11810","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-24T16:50:00Z","cross_cats_sorted":["cond-mat.mes-hall","physics.comp-ph"],"title_canon_sha256":"082d59ee8bb233daa93fd31c10e37c303062ef13070cf72c4b5ecce545adc082","abstract_canon_sha256":"68d5cc8ee9749e3a2e2f2a6f620625e2d4d2d0d374aac32207de6c41e34c6e00"},"schema_version":"1.0"},"canonical_sha256":"7719ed57848925e7ee4d33537c4e62daa85ca6ac0ba978280c055e1ad6d6d0fb","source":{"kind":"arxiv","id":"2009.11810","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.11810","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"2009.11810v2","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.11810","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"O4M62V4ERES6","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"pith_short_16","alias_value":"O4M62V4ERES6P3SN","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"pith_short_8","alias_value":"O4M62V4E","created_at":"2026-07-05T02:04:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:O4M62V4ERES6P3SNGNJXYTTC3K","target":"record","payload":{"canonical_record":{"source":{"id":"2009.11810","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-24T16:50:00Z","cross_cats_sorted":["cond-mat.mes-hall","physics.comp-ph"],"title_canon_sha256":"082d59ee8bb233daa93fd31c10e37c303062ef13070cf72c4b5ecce545adc082","abstract_canon_sha256":"68d5cc8ee9749e3a2e2f2a6f620625e2d4d2d0d374aac32207de6c41e34c6e00"},"schema_version":"1.0"},"canonical_sha256":"7719ed57848925e7ee4d33537c4e62daa85ca6ac0ba978280c055e1ad6d6d0fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:04:58.323444Z","signature_b64":"ch8f6NhYtxX+Y5DAy6OU7tH++SKXONHDEqHaHK4w4AU0ENW22m54CeVNR6dgXBlQC/IQFyZMBN6pnti8UtNaAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7719ed57848925e7ee4d33537c4e62daa85ca6ac0ba978280c055e1ad6d6d0fb","last_reissued_at":"2026-07-05T02:04:58.322839Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:04:58.322839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.11810","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":"2026-07-05T02:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NYSdxfqC4S83BhBHVPQYr7Q2ykW/1o5P+er4CyrEmWWwudbaH2s5q0SlzuU4Cz3Lz++iICJrKkkjxRbfGPG8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:09:59.151346Z"},"content_sha256":"269c252dd15f13c0c98c54d5285e0e309b9ec0edd7b4390d82c2f31104ec89f0","schema_version":"1.0","event_id":"sha256:269c252dd15f13c0c98c54d5285e0e309b9ec0edd7b4390d82c2f31104ec89f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:O4M62V4ERES6P3SNGNJXYTTC3K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep learning enabled design of complex transmission matrices for universal optical components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"David J. Thomson, Graham T. Reed, Ioannis Zeimpekis, Jamie Reynolds, Kevin Vynck, Martin Ebert, Matthew Delaney, Nicholas J. Dinsdale, Otto L. Muskens, Peter R. Wiecha, Philippe Lalanne","submitted_at":"2020-09-24T16:50:00Z","abstract_excerpt":"Recent breakthroughs in photonics-based quantum, neuromorphic and analogue processing have pointed out the need for new schemes for fully programmable nanophotonic devices. Universal optical elements based on interferometer meshes are underpinning many of these new technologies, however this is achieved at the cost of an overall footprint that is very large compared to the limited chip real estate, restricting the scalability of this approach. Here, we consider an ultracompact platform for low-loss programmable elements using the complex transmission matrix of a multi-port multimode waveguide."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.11810","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/2009.11810/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":"2026-07-05T02:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EpqMYip9lhaq9htjw7Y3DBlURs3lpx0EGvGcaBKy1f4iSIwNLz+yiJzOxcHn4PBIQ6coFA5dRid180Mv1HKiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:09:59.151860Z"},"content_sha256":"0f9b18c9fb91975793dc3614f0b2886f562a4355565e9ee7a51154751cc751eb","schema_version":"1.0","event_id":"sha256:0f9b18c9fb91975793dc3614f0b2886f562a4355565e9ee7a51154751cc751eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O4M62V4ERES6P3SNGNJXYTTC3K/bundle.json","state_url":"https://pith.science/pith/O4M62V4ERES6P3SNGNJXYTTC3K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O4M62V4ERES6P3SNGNJXYTTC3K/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":"2026-08-11T11:09:59Z","links":{"resolver":"https://pith.science/pith/O4M62V4ERES6P3SNGNJXYTTC3K","bundle":"https://pith.science/pith/O4M62V4ERES6P3SNGNJXYTTC3K/bundle.json","state":"https://pith.science/pith/O4M62V4ERES6P3SNGNJXYTTC3K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O4M62V4ERES6P3SNGNJXYTTC3K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:O4M62V4ERES6P3SNGNJXYTTC3K","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":"68d5cc8ee9749e3a2e2f2a6f620625e2d4d2d0d374aac32207de6c41e34c6e00","cross_cats_sorted":["cond-mat.mes-hall","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-24T16:50:00Z","title_canon_sha256":"082d59ee8bb233daa93fd31c10e37c303062ef13070cf72c4b5ecce545adc082"},"schema_version":"1.0","source":{"id":"2009.11810","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.11810","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"2009.11810v2","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.11810","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"O4M62V4ERES6","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"pith_short_16","alias_value":"O4M62V4ERES6P3SN","created_at":"2026-07-05T02:04:58Z"},{"alias_kind":"pith_short_8","alias_value":"O4M62V4E","created_at":"2026-07-05T02:04:58Z"}],"graph_snapshots":[{"event_id":"sha256:0f9b18c9fb91975793dc3614f0b2886f562a4355565e9ee7a51154751cc751eb","target":"graph","created_at":"2026-07-05T02:04:58Z","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/2009.11810/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent breakthroughs in photonics-based quantum, neuromorphic and analogue processing have pointed out the need for new schemes for fully programmable nanophotonic devices. Universal optical elements based on interferometer meshes are underpinning many of these new technologies, however this is achieved at the cost of an overall footprint that is very large compared to the limited chip real estate, restricting the scalability of this approach. Here, we consider an ultracompact platform for low-loss programmable elements using the complex transmission matrix of a multi-port multimode waveguide.","authors_text":"David J. Thomson, Graham T. Reed, Ioannis Zeimpekis, Jamie Reynolds, Kevin Vynck, Martin Ebert, Matthew Delaney, Nicholas J. Dinsdale, Otto L. Muskens, Peter R. Wiecha, Philippe Lalanne","cross_cats":["cond-mat.mes-hall","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-24T16:50:00Z","title":"Deep learning enabled design of complex transmission matrices for universal optical components"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.11810","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":"sha256:269c252dd15f13c0c98c54d5285e0e309b9ec0edd7b4390d82c2f31104ec89f0","target":"record","created_at":"2026-07-05T02:04:58Z","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":"68d5cc8ee9749e3a2e2f2a6f620625e2d4d2d0d374aac32207de6c41e34c6e00","cross_cats_sorted":["cond-mat.mes-hall","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-24T16:50:00Z","title_canon_sha256":"082d59ee8bb233daa93fd31c10e37c303062ef13070cf72c4b5ecce545adc082"},"schema_version":"1.0","source":{"id":"2009.11810","kind":"arxiv","version":2}},"canonical_sha256":"7719ed57848925e7ee4d33537c4e62daa85ca6ac0ba978280c055e1ad6d6d0fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7719ed57848925e7ee4d33537c4e62daa85ca6ac0ba978280c055e1ad6d6d0fb","first_computed_at":"2026-07-05T02:04:58.322839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:04:58.322839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ch8f6NhYtxX+Y5DAy6OU7tH++SKXONHDEqHaHK4w4AU0ENW22m54CeVNR6dgXBlQC/IQFyZMBN6pnti8UtNaAg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:04:58.323444Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.11810","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:269c252dd15f13c0c98c54d5285e0e309b9ec0edd7b4390d82c2f31104ec89f0","sha256:0f9b18c9fb91975793dc3614f0b2886f562a4355565e9ee7a51154751cc751eb"],"state_sha256":"fe6046505c5749281b2b68ccd92bad9a5c98de381121e15486d3857da5cec76f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NW4IQ1ktr3l0S4A3UPt7RGg/3gGlpfPLplVfs4olF/Ei2MBp2C8eeVlQ7rX2tff8GVwluz4B20t4zVN+RIyZDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T11:09:59.157581Z","bundle_sha256":"4c4c1aa3dafc4183b7104d320267130d39b8dc06e8547b80726831fb056740c1"}}