{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UFWTNNGHFRDC3D2YUQFDQZ4V3P","short_pith_number":"pith:UFWTNNGH","canonical_record":{"source":{"id":"1907.10880","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2019-07-25T07:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"9b545d33c2b9f723897d8007934359d961c55b35717a5050295451f6f734edb0","abstract_canon_sha256":"0283f00ac0b0efbaa2e3698e3c9e3cce8cda910b76644168ea3a4816bf1758bc"},"schema_version":"1.0"},"canonical_sha256":"a16d36b4c72c462d8f58a40a386795dbe3246ad4fe9be8ecd9b9b61512c2ecd2","source":{"kind":"arxiv","id":"1907.10880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10880","created_at":"2026-05-17T23:39:34Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10880v1","created_at":"2026-05-17T23:39:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10880","created_at":"2026-05-17T23:39:34Z"},{"alias_kind":"pith_short_12","alias_value":"UFWTNNGHFRDC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UFWTNNGHFRDC3D2Y","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UFWTNNGH","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UFWTNNGHFRDC3D2YUQFDQZ4V3P","target":"record","payload":{"canonical_record":{"source":{"id":"1907.10880","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2019-07-25T07:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"9b545d33c2b9f723897d8007934359d961c55b35717a5050295451f6f734edb0","abstract_canon_sha256":"0283f00ac0b0efbaa2e3698e3c9e3cce8cda910b76644168ea3a4816bf1758bc"},"schema_version":"1.0"},"canonical_sha256":"a16d36b4c72c462d8f58a40a386795dbe3246ad4fe9be8ecd9b9b61512c2ecd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:34.215849Z","signature_b64":"QtMXECumOoSgaTP1G1Ch9vPZnI7/rPq7++sFsf7N5i9axasAFk/4PaUlM7yLMecx8i/yCLUWNGDtnpNTS01nDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a16d36b4c72c462d8f58a40a386795dbe3246ad4fe9be8ecd9b9b61512c2ecd2","last_reissued_at":"2026-05-17T23:39:34.215359Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:34.215359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.10880","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":"2026-05-17T23:39:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cKH3MErRTfRjDETi6Oju/5IMhZJcjxvsa3NqVWrDlrbxHjsbCHTbKIA9H0Q2JHLipBr01l0/QFYYeLAc15IvAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:47:39.653698Z"},"content_sha256":"47c5018107e1cc855c7c9eb7a033a1a67ef9ce643e11bf1417f0bc15d1df4c21","schema_version":"1.0","event_id":"sha256:47c5018107e1cc855c7c9eb7a033a1a67ef9ce643e11bf1417f0bc15d1df4c21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UFWTNNGHFRDC3D2YUQFDQZ4V3P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Compact Light Field Camera for Real-Time Depth Estimation","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Didier Stricker, Oliver Wasenm\\\"uller, Yuriy Anisimov","submitted_at":"2019-07-25T07:48:11Z","abstract_excerpt":"Depth cameras are utilized in many applications. Recently light field approaches are increasingly being used for depth computation. While these approaches demonstrate the technical feasibility, they can not be brought into real-world application, since they have both a high computation time as well as a large design. Exactly these two drawbacks are overcome in this paper. For the first time, we present a depth camera based on the light field principle, which provides real-time depth information as well as a compact design."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10880","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":""},"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":"2026-05-17T23:39:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q0e3eOEQOsqoCll7+KVSz1kJuXnX1t/CCj08iyI7j0HlJBCx/Htx+ksx09YVNzNWRJglfJUg6V3ojrVWXLNUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:47:39.654448Z"},"content_sha256":"a8987ea6309773c4343921d73dbfa797c40bb49d2da63f99f018585a737c50ac","schema_version":"1.0","event_id":"sha256:a8987ea6309773c4343921d73dbfa797c40bb49d2da63f99f018585a737c50ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P/bundle.json","state_url":"https://pith.science/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P/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":"2026-06-04T20:47:39Z","links":{"resolver":"https://pith.science/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P","bundle":"https://pith.science/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P/bundle.json","state":"https://pith.science/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UFWTNNGHFRDC3D2YUQFDQZ4V3P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UFWTNNGHFRDC3D2YUQFDQZ4V3P","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":"0283f00ac0b0efbaa2e3698e3c9e3cce8cda910b76644168ea3a4816bf1758bc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2019-07-25T07:48:11Z","title_canon_sha256":"9b545d33c2b9f723897d8007934359d961c55b35717a5050295451f6f734edb0"},"schema_version":"1.0","source":{"id":"1907.10880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10880","created_at":"2026-05-17T23:39:34Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10880v1","created_at":"2026-05-17T23:39:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10880","created_at":"2026-05-17T23:39:34Z"},{"alias_kind":"pith_short_12","alias_value":"UFWTNNGHFRDC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UFWTNNGHFRDC3D2Y","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UFWTNNGH","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:a8987ea6309773c4343921d73dbfa797c40bb49d2da63f99f018585a737c50ac","target":"graph","created_at":"2026-05-17T23:39:34Z","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"},"paper":{"abstract_excerpt":"Depth cameras are utilized in many applications. Recently light field approaches are increasingly being used for depth computation. While these approaches demonstrate the technical feasibility, they can not be brought into real-world application, since they have both a high computation time as well as a large design. Exactly these two drawbacks are overcome in this paper. For the first time, we present a depth camera based on the light field principle, which provides real-time depth information as well as a compact design.","authors_text":"Didier Stricker, Oliver Wasenm\\\"uller, Yuriy Anisimov","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2019-07-25T07:48:11Z","title":"A Compact Light Field Camera for Real-Time Depth Estimation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10880","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":"sha256:47c5018107e1cc855c7c9eb7a033a1a67ef9ce643e11bf1417f0bc15d1df4c21","target":"record","created_at":"2026-05-17T23:39:34Z","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":"0283f00ac0b0efbaa2e3698e3c9e3cce8cda910b76644168ea3a4816bf1758bc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2019-07-25T07:48:11Z","title_canon_sha256":"9b545d33c2b9f723897d8007934359d961c55b35717a5050295451f6f734edb0"},"schema_version":"1.0","source":{"id":"1907.10880","kind":"arxiv","version":1}},"canonical_sha256":"a16d36b4c72c462d8f58a40a386795dbe3246ad4fe9be8ecd9b9b61512c2ecd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a16d36b4c72c462d8f58a40a386795dbe3246ad4fe9be8ecd9b9b61512c2ecd2","first_computed_at":"2026-05-17T23:39:34.215359Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:34.215359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QtMXECumOoSgaTP1G1Ch9vPZnI7/rPq7++sFsf7N5i9axasAFk/4PaUlM7yLMecx8i/yCLUWNGDtnpNTS01nDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:34.215849Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.10880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47c5018107e1cc855c7c9eb7a033a1a67ef9ce643e11bf1417f0bc15d1df4c21","sha256:a8987ea6309773c4343921d73dbfa797c40bb49d2da63f99f018585a737c50ac"],"state_sha256":"2ca68a4f8b35a6622a0b49b5cfed90d01481453bc58c42b1b305fab035c2c028"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VQNc43Z2OyJ32+mYLoeHvKiJ9gwLl9I/ayzniwmXy0z2abdpuqTBDZDPMKndmkP8A7905f41dXUONn4L7FANBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:47:39.658144Z","bundle_sha256":"de616fb1895996a24e440a0d6123e8bec29d4382fd11339d38282ecb47bd192c"}}