{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Y7HDLPBI74MELG3FP6XFXUU6BU","short_pith_number":"pith:Y7HDLPBI","canonical_record":{"source":{"id":"2311.00366","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-11-01T08:36:53Z","cross_cats_sorted":[],"title_canon_sha256":"b2523969384f17b42af37d88af2195856b5cf7cd18ef5489bdb5fbc738c5b5ae","abstract_canon_sha256":"6e7c5695def3eacc6886d0fb96bd7e7017856c393e3fc1f9ca71180f1bdee36d"},"schema_version":"1.0"},"canonical_sha256":"c7ce35bc28ff18459b657fae5bd29e0d2cd1a7e88afe81192b80e64397b4dc2e","source":{"kind":"arxiv","id":"2311.00366","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.00366","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"arxiv_version","alias_value":"2311.00366v1","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.00366","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"pith_short_12","alias_value":"Y7HDLPBI74ME","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y7HDLPBI74MELG3F","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y7HDLPBI","created_at":"2026-07-05T07:07:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Y7HDLPBI74MELG3FP6XFXUU6BU","target":"record","payload":{"canonical_record":{"source":{"id":"2311.00366","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-11-01T08:36:53Z","cross_cats_sorted":[],"title_canon_sha256":"b2523969384f17b42af37d88af2195856b5cf7cd18ef5489bdb5fbc738c5b5ae","abstract_canon_sha256":"6e7c5695def3eacc6886d0fb96bd7e7017856c393e3fc1f9ca71180f1bdee36d"},"schema_version":"1.0"},"canonical_sha256":"c7ce35bc28ff18459b657fae5bd29e0d2cd1a7e88afe81192b80e64397b4dc2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:07:56.447198Z","signature_b64":"IM8uUj9iVGOhYQYDxRpT4OxWL8il+lFrQPSQ0u2K9M2SHFDcTLmzN0xeIIHpGiOdSrG0p7MPrFYVKl26x0szAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7ce35bc28ff18459b657fae5bd29e0d2cd1a7e88afe81192b80e64397b4dc2e","last_reissued_at":"2026-07-05T07:07:56.446557Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:07:56.446557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.00366","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":"2026-07-05T07:07:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bG2pCXxqg3H+utlQhUlG6Bexm9juzO118ltJu/iX9D/1fr9j8OoLnoxMavsIXLjFJAIPF0zRPuUW0l85JCD7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:54:12.956322Z"},"content_sha256":"9830596bf17f78a2454d9840e9f3a32ce6effd1957611711bf72f7419f26d63c","schema_version":"1.0","event_id":"sha256:9830596bf17f78a2454d9840e9f3a32ce6effd1957611711bf72f7419f26d63c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Y7HDLPBI74MELG3FP6XFXUU6BU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Machine learning meets Singular Optics: Speckle-based Structured light demultiplexing","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Purnesh Singh Badavath, Venugopal Raskatla, Vijay Kumar","submitted_at":"2023-11-01T08:36:53Z","abstract_excerpt":"In this paper, the advancements in structured light beams recognition using speckle-based convolutional neural networks (CNNs) have been presented. Speckle fields, generated by the interference of multiple wavefronts diffracted and scattered through a diffuser, project a random distribution. The generated random distribution of phase and intensity correlates to the structured light beam of the corresponding speckle field. This unique distribution of phase and intensity offers an additional dimension for recognizing the encoded information in structured light. The CNNs are well-suited for harne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.00366","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/2311.00366/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":"2026-07-05T07:07:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LLOOLEG0twGiJnpyRPT1EFUtZNjL6sXlj2CHNdp3RTJMdWEEYnVUOQr0sHexPvlxjIiNNPao+aWs7UuApYQUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:54:12.956958Z"},"content_sha256":"28ebabc588da187079b9425363788eae714377548b787b099fbd59a86109ddb9","schema_version":"1.0","event_id":"sha256:28ebabc588da187079b9425363788eae714377548b787b099fbd59a86109ddb9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y7HDLPBI74MELG3FP6XFXUU6BU/bundle.json","state_url":"https://pith.science/pith/Y7HDLPBI74MELG3FP6XFXUU6BU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y7HDLPBI74MELG3FP6XFXUU6BU/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":"2026-08-05T22:54:12Z","links":{"resolver":"https://pith.science/pith/Y7HDLPBI74MELG3FP6XFXUU6BU","bundle":"https://pith.science/pith/Y7HDLPBI74MELG3FP6XFXUU6BU/bundle.json","state":"https://pith.science/pith/Y7HDLPBI74MELG3FP6XFXUU6BU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y7HDLPBI74MELG3FP6XFXUU6BU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Y7HDLPBI74MELG3FP6XFXUU6BU","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":"6e7c5695def3eacc6886d0fb96bd7e7017856c393e3fc1f9ca71180f1bdee36d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-11-01T08:36:53Z","title_canon_sha256":"b2523969384f17b42af37d88af2195856b5cf7cd18ef5489bdb5fbc738c5b5ae"},"schema_version":"1.0","source":{"id":"2311.00366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.00366","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"arxiv_version","alias_value":"2311.00366v1","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.00366","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"pith_short_12","alias_value":"Y7HDLPBI74ME","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y7HDLPBI74MELG3F","created_at":"2026-07-05T07:07:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y7HDLPBI","created_at":"2026-07-05T07:07:56Z"}],"graph_snapshots":[{"event_id":"sha256:28ebabc588da187079b9425363788eae714377548b787b099fbd59a86109ddb9","target":"graph","created_at":"2026-07-05T07:07:56Z","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/2311.00366/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, the advancements in structured light beams recognition using speckle-based convolutional neural networks (CNNs) have been presented. Speckle fields, generated by the interference of multiple wavefronts diffracted and scattered through a diffuser, project a random distribution. The generated random distribution of phase and intensity correlates to the structured light beam of the corresponding speckle field. This unique distribution of phase and intensity offers an additional dimension for recognizing the encoded information in structured light. The CNNs are well-suited for harne","authors_text":"Purnesh Singh Badavath, Venugopal Raskatla, Vijay Kumar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-11-01T08:36:53Z","title":"Machine learning meets Singular Optics: Speckle-based Structured light demultiplexing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.00366","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":"sha256:9830596bf17f78a2454d9840e9f3a32ce6effd1957611711bf72f7419f26d63c","target":"record","created_at":"2026-07-05T07:07:56Z","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":"6e7c5695def3eacc6886d0fb96bd7e7017856c393e3fc1f9ca71180f1bdee36d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-11-01T08:36:53Z","title_canon_sha256":"b2523969384f17b42af37d88af2195856b5cf7cd18ef5489bdb5fbc738c5b5ae"},"schema_version":"1.0","source":{"id":"2311.00366","kind":"arxiv","version":1}},"canonical_sha256":"c7ce35bc28ff18459b657fae5bd29e0d2cd1a7e88afe81192b80e64397b4dc2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7ce35bc28ff18459b657fae5bd29e0d2cd1a7e88afe81192b80e64397b4dc2e","first_computed_at":"2026-07-05T07:07:56.446557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:07:56.446557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IM8uUj9iVGOhYQYDxRpT4OxWL8il+lFrQPSQ0u2K9M2SHFDcTLmzN0xeIIHpGiOdSrG0p7MPrFYVKl26x0szAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:07:56.447198Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.00366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9830596bf17f78a2454d9840e9f3a32ce6effd1957611711bf72f7419f26d63c","sha256:28ebabc588da187079b9425363788eae714377548b787b099fbd59a86109ddb9"],"state_sha256":"ed30ccbc056093ca47f31eab0b51d86a4bfbfa82f50b622f10e1dfa203a46d7f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3HlQznVh1MSxc7l3HDsU2sbYDMoTHUc7G/gfSsJS5gIE/NrG3IvBJ9SizXwkP0qdLQIefFylqKXUWQ0yIb/VCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:54:12.988307Z","bundle_sha256":"216a01d460a40198f4f8ab0e70f5781fc1c5659b115f29c64b9c458f1622a1ed"}}