{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DMKZU3LFH4NXOFSBBZBRIXY6SL","short_pith_number":"pith:DMKZU3LF","canonical_record":{"source":{"id":"2209.11342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-09-22T22:59:09Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"f10ba6ccb1b984580d61c95a3a1b7463c643522ac40b3b254b7f92e684f6c2b4","abstract_canon_sha256":"a7e1a2c713afdf9b5a6a3a55da373b357d49bb8cc30ceae1a1efd554ad61cf78"},"schema_version":"1.0"},"canonical_sha256":"1b159a6d653f1b7716410e43145f1e92d9d13173b86b2db9a101e1a46d3869fb","source":{"kind":"arxiv","id":"2209.11342","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.11342","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"arxiv_version","alias_value":"2209.11342v1","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.11342","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"pith_short_12","alias_value":"DMKZU3LFH4NX","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"pith_short_16","alias_value":"DMKZU3LFH4NXOFSB","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"pith_short_8","alias_value":"DMKZU3LF","created_at":"2026-07-05T05:00:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DMKZU3LFH4NXOFSBBZBRIXY6SL","target":"record","payload":{"canonical_record":{"source":{"id":"2209.11342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-09-22T22:59:09Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"f10ba6ccb1b984580d61c95a3a1b7463c643522ac40b3b254b7f92e684f6c2b4","abstract_canon_sha256":"a7e1a2c713afdf9b5a6a3a55da373b357d49bb8cc30ceae1a1efd554ad61cf78"},"schema_version":"1.0"},"canonical_sha256":"1b159a6d653f1b7716410e43145f1e92d9d13173b86b2db9a101e1a46d3869fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:00:19.493159Z","signature_b64":"CYxGXfw4Dl+tijMj/Pf9qgN37R/XowunqHsFNJaf4CkXmIE+/Rv9BNxHi1hEJ05I1vvMNxh8IlNuNwU+aX9oDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b159a6d653f1b7716410e43145f1e92d9d13173b86b2db9a101e1a46d3869fb","last_reissued_at":"2026-07-05T05:00:19.492735Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:00:19.492735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.11342","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":"2026-07-05T05:00:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AelCNcv5b1q1LBvC+UECCzEFA8jwXk6+aF1v3iUoUvVt1bXzYRTsnudsHiPBthKYnaDWyIF0vNNPixiPH3SvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T15:10:03.671092Z"},"content_sha256":"1d0e0fbfe7d7c97e92eccd084950351cf1cc2ed65191e8dc35624fc7d5bdf43b","schema_version":"1.0","event_id":"sha256:1d0e0fbfe7d7c97e92eccd084950351cf1cc2ed65191e8dc35624fc7d5bdf43b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DMKZU3LFH4NXOFSBBZBRIXY6SL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast Disparity Estimation from a Single Compressed Light Field Measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Edwin Vargas, Emmanuel Martinez, Henry Arguello","submitted_at":"2022-09-22T22:59:09Z","abstract_excerpt":"The abundant spatial and angular information from light fields has allowed the development of multiple disparity estimation approaches. However, the acquisition of light fields requires high storage and processing cost, limiting the use of this technology in practical applications. To overcome these drawbacks, the compressive sensing (CS) theory has allowed the development of optical architectures to acquire a single coded light field measurement. This measurement is decoded using an optimization algorithm or deep neural network that requires high computational costs. The traditional approach "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.11342","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/2209.11342/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":"2026-07-05T05:00:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dVLXhEq/CaiOfitfKs5Vginw0aCtSpfEiQXvgWRjeMM16qn8gOwEbs+uOlqKFuoF6qShxmwCNsB0htg1W+RrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T15:10:03.671522Z"},"content_sha256":"788962eea01073d20519255077970385c707d7cca025d77ac370937d931ec085","schema_version":"1.0","event_id":"sha256:788962eea01073d20519255077970385c707d7cca025d77ac370937d931ec085"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL/bundle.json","state_url":"https://pith.science/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL/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":"2026-07-11T15:10:03Z","links":{"resolver":"https://pith.science/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL","bundle":"https://pith.science/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL/bundle.json","state":"https://pith.science/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DMKZU3LFH4NXOFSBBZBRIXY6SL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DMKZU3LFH4NXOFSBBZBRIXY6SL","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":"a7e1a2c713afdf9b5a6a3a55da373b357d49bb8cc30ceae1a1efd554ad61cf78","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-09-22T22:59:09Z","title_canon_sha256":"f10ba6ccb1b984580d61c95a3a1b7463c643522ac40b3b254b7f92e684f6c2b4"},"schema_version":"1.0","source":{"id":"2209.11342","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.11342","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"arxiv_version","alias_value":"2209.11342v1","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.11342","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"pith_short_12","alias_value":"DMKZU3LFH4NX","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"pith_short_16","alias_value":"DMKZU3LFH4NXOFSB","created_at":"2026-07-05T05:00:19Z"},{"alias_kind":"pith_short_8","alias_value":"DMKZU3LF","created_at":"2026-07-05T05:00:19Z"}],"graph_snapshots":[{"event_id":"sha256:788962eea01073d20519255077970385c707d7cca025d77ac370937d931ec085","target":"graph","created_at":"2026-07-05T05:00:19Z","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/2209.11342/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The abundant spatial and angular information from light fields has allowed the development of multiple disparity estimation approaches. However, the acquisition of light fields requires high storage and processing cost, limiting the use of this technology in practical applications. To overcome these drawbacks, the compressive sensing (CS) theory has allowed the development of optical architectures to acquire a single coded light field measurement. This measurement is decoded using an optimization algorithm or deep neural network that requires high computational costs. The traditional approach ","authors_text":"Edwin Vargas, Emmanuel Martinez, Henry Arguello","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-09-22T22:59:09Z","title":"Fast Disparity Estimation from a Single Compressed Light Field Measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.11342","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":"sha256:1d0e0fbfe7d7c97e92eccd084950351cf1cc2ed65191e8dc35624fc7d5bdf43b","target":"record","created_at":"2026-07-05T05:00:19Z","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":"a7e1a2c713afdf9b5a6a3a55da373b357d49bb8cc30ceae1a1efd554ad61cf78","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-09-22T22:59:09Z","title_canon_sha256":"f10ba6ccb1b984580d61c95a3a1b7463c643522ac40b3b254b7f92e684f6c2b4"},"schema_version":"1.0","source":{"id":"2209.11342","kind":"arxiv","version":1}},"canonical_sha256":"1b159a6d653f1b7716410e43145f1e92d9d13173b86b2db9a101e1a46d3869fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b159a6d653f1b7716410e43145f1e92d9d13173b86b2db9a101e1a46d3869fb","first_computed_at":"2026-07-05T05:00:19.492735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:00:19.492735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CYxGXfw4Dl+tijMj/Pf9qgN37R/XowunqHsFNJaf4CkXmIE+/Rv9BNxHi1hEJ05I1vvMNxh8IlNuNwU+aX9oDw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:00:19.493159Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.11342","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d0e0fbfe7d7c97e92eccd084950351cf1cc2ed65191e8dc35624fc7d5bdf43b","sha256:788962eea01073d20519255077970385c707d7cca025d77ac370937d931ec085"],"state_sha256":"22ae13a09bb895ef89c73ab94b75c412cdee5bebc2888fba9f3ffa9d22a65e3d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qz+fkSdpQDVFOUgCfUL+MmcC5ZdvUmi4a2dOHYvmkx8evSr1dSqYN0fS/0eLAaq6od6qT4tY2b/U9q1CUqQACQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-11T15:10:03.673831Z","bundle_sha256":"49080cc11204a7a4cc3c38b7f79a44f486b619cf024ce5168b240e4c414a83fc"}}