{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:F4SVAQMEQBQVYTO7O5OCITGWHN","short_pith_number":"pith:F4SVAQME","canonical_record":{"source":{"id":"2210.13292","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-10-24T14:32:45Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"95860062607d7d5a0ddbddbdef11224a72d05fb02d0d5ec16c3ea8df8d1c7a38","abstract_canon_sha256":"d3c738c9768ff3a82875d781985cadd8dacf122e8bb9b0644aa2677178676b6d"},"schema_version":"1.0"},"canonical_sha256":"2f2550418480615c4ddf775c244cd63b5436724b2fdde4da8085eb6e2a2d631a","source":{"kind":"arxiv","id":"2210.13292","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.13292","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"arxiv_version","alias_value":"2210.13292v1","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13292","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"pith_short_12","alias_value":"F4SVAQMEQBQV","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"pith_short_16","alias_value":"F4SVAQMEQBQVYTO7","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"pith_short_8","alias_value":"F4SVAQME","created_at":"2026-07-05T05:09:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:F4SVAQMEQBQVYTO7O5OCITGWHN","target":"record","payload":{"canonical_record":{"source":{"id":"2210.13292","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-10-24T14:32:45Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"95860062607d7d5a0ddbddbdef11224a72d05fb02d0d5ec16c3ea8df8d1c7a38","abstract_canon_sha256":"d3c738c9768ff3a82875d781985cadd8dacf122e8bb9b0644aa2677178676b6d"},"schema_version":"1.0"},"canonical_sha256":"2f2550418480615c4ddf775c244cd63b5436724b2fdde4da8085eb6e2a2d631a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:09:38.767551Z","signature_b64":"sYFMMVp282U/GTx7Y97ygejLD98ia11101ViPPHgqAlRnaXSGHIfzsN59WjCluaV05JKyWwROp+tZENbLaqHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f2550418480615c4ddf775c244cd63b5436724b2fdde4da8085eb6e2a2d631a","last_reissued_at":"2026-07-05T05:09:38.767153Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:09:38.767153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.13292","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":"2026-07-05T05:09:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AnWVM4ttoakROY0ya3H5eW+4eTXu1XQ6ro1NiyhdlpissRZgTmAkmmxB3n2tHWk/NGTkWTBoB/UE1oTIqMOcBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-24T02:17:02.912260Z"},"content_sha256":"6e1bb09250d071b115e5db517f7315206c51c7e5a9aea4d3e54f2073a02e2210","schema_version":"1.0","event_id":"sha256:6e1bb09250d071b115e5db517f7315206c51c7e5a9aea4d3e54f2073a02e2210"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:F4SVAQMEQBQVYTO7O5OCITGWHN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-Pixel Multimode Fiber Spectrometer via Wavefront Shaping","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"\\c{S}ahin K\\\"urekci, Emre Y\\\"uce, S. S\\\"uleyman Kahraman","submitted_at":"2022-10-24T14:32:45Z","abstract_excerpt":"When light passes through a multimode fiber, two-dimensional random intensity patterns are formed due to the complex interference within the fiber. The extreme sensitivity of speckle patterns to the frequency of light paved the way for high-resolution multimode fiber spectrometers. However, this approach requires expensive IR cameras and impedes the integration of spectrometers on-chip. In this study, we propose a single-pixel multimode fiber spectrometer by exploiting wavefront shaping. The input light is structured with the help of a spatial light modulator, and optimal phase masks, focusing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13292","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.13292/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":"2026-07-05T05:09:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9LwXEe2FEtKZIngnbWQLxzzaBdghxlpRKtqcdQymTx1YSgbTNZjwPbjEm4UUaqY2EzU+XtPcvBeL1/MzsnouAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-24T02:17:02.912754Z"},"content_sha256":"40c3a1d38530141aa09b307625d58cddd5dd30b5c027c08f1ed4d36d656540cb","schema_version":"1.0","event_id":"sha256:40c3a1d38530141aa09b307625d58cddd5dd30b5c027c08f1ed4d36d656540cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F4SVAQMEQBQVYTO7O5OCITGWHN/bundle.json","state_url":"https://pith.science/pith/F4SVAQMEQBQVYTO7O5OCITGWHN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F4SVAQMEQBQVYTO7O5OCITGWHN/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":"2026-08-24T02:17:02Z","links":{"resolver":"https://pith.science/pith/F4SVAQMEQBQVYTO7O5OCITGWHN","bundle":"https://pith.science/pith/F4SVAQMEQBQVYTO7O5OCITGWHN/bundle.json","state":"https://pith.science/pith/F4SVAQMEQBQVYTO7O5OCITGWHN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F4SVAQMEQBQVYTO7O5OCITGWHN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:F4SVAQMEQBQVYTO7O5OCITGWHN","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":"d3c738c9768ff3a82875d781985cadd8dacf122e8bb9b0644aa2677178676b6d","cross_cats_sorted":["physics.app-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-10-24T14:32:45Z","title_canon_sha256":"95860062607d7d5a0ddbddbdef11224a72d05fb02d0d5ec16c3ea8df8d1c7a38"},"schema_version":"1.0","source":{"id":"2210.13292","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.13292","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"arxiv_version","alias_value":"2210.13292v1","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13292","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"pith_short_12","alias_value":"F4SVAQMEQBQV","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"pith_short_16","alias_value":"F4SVAQMEQBQVYTO7","created_at":"2026-07-05T05:09:38Z"},{"alias_kind":"pith_short_8","alias_value":"F4SVAQME","created_at":"2026-07-05T05:09:38Z"}],"graph_snapshots":[{"event_id":"sha256:40c3a1d38530141aa09b307625d58cddd5dd30b5c027c08f1ed4d36d656540cb","target":"graph","created_at":"2026-07-05T05:09:38Z","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/2210.13292/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When light passes through a multimode fiber, two-dimensional random intensity patterns are formed due to the complex interference within the fiber. The extreme sensitivity of speckle patterns to the frequency of light paved the way for high-resolution multimode fiber spectrometers. However, this approach requires expensive IR cameras and impedes the integration of spectrometers on-chip. In this study, we propose a single-pixel multimode fiber spectrometer by exploiting wavefront shaping. The input light is structured with the help of a spatial light modulator, and optimal phase masks, focusing","authors_text":"\\c{S}ahin K\\\"urekci, Emre Y\\\"uce, S. S\\\"uleyman Kahraman","cross_cats":["physics.app-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-10-24T14:32:45Z","title":"Single-Pixel Multimode Fiber Spectrometer via Wavefront Shaping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13292","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":"sha256:6e1bb09250d071b115e5db517f7315206c51c7e5a9aea4d3e54f2073a02e2210","target":"record","created_at":"2026-07-05T05:09:38Z","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":"d3c738c9768ff3a82875d781985cadd8dacf122e8bb9b0644aa2677178676b6d","cross_cats_sorted":["physics.app-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-10-24T14:32:45Z","title_canon_sha256":"95860062607d7d5a0ddbddbdef11224a72d05fb02d0d5ec16c3ea8df8d1c7a38"},"schema_version":"1.0","source":{"id":"2210.13292","kind":"arxiv","version":1}},"canonical_sha256":"2f2550418480615c4ddf775c244cd63b5436724b2fdde4da8085eb6e2a2d631a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f2550418480615c4ddf775c244cd63b5436724b2fdde4da8085eb6e2a2d631a","first_computed_at":"2026-07-05T05:09:38.767153Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:09:38.767153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sYFMMVp282U/GTx7Y97ygejLD98ia11101ViPPHgqAlRnaXSGHIfzsN59WjCluaV05JKyWwROp+tZENbLaqHDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:09:38.767551Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.13292","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e1bb09250d071b115e5db517f7315206c51c7e5a9aea4d3e54f2073a02e2210","sha256:40c3a1d38530141aa09b307625d58cddd5dd30b5c027c08f1ed4d36d656540cb"],"state_sha256":"7362f4040c8e01be1381e3b30e6ba08157a46abeb9ce2db21c7f2c4cab2fdc41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PdIsaJYYF6azZR4QFZsRf2nNyqg4AQFFLqvxzXFWAfEsoPfgWGplNLcJzun6JIWfhqsaagm9jXC9OD7JNnlvCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-24T02:17:02.916647Z","bundle_sha256":"af7d7573cab579340aa2f502f652071651bf152d31e023893a89ada342c5ce02"}}