{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:F53OP6UVNFWIZDU5FXG6AWQRR5","short_pith_number":"pith:F53OP6UV","canonical_record":{"source":{"id":"2204.13371","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-28T09:26:10Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"5e887df75e71c372ad78fe3d011878b904e472655077ecc1be0de5962398d351","abstract_canon_sha256":"e6672491ae22a948cd748ac9adeeac52d3fe95a0ebda84696c74743f5315192d"},"schema_version":"1.0"},"canonical_sha256":"2f76e7fa95696c8c8e9d2dcde05a118f697ec35a50ef86f8c6a12c8e34d87652","source":{"kind":"arxiv","id":"2204.13371","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.13371","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"arxiv_version","alias_value":"2204.13371v1","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.13371","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"pith_short_12","alias_value":"F53OP6UVNFWI","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"pith_short_16","alias_value":"F53OP6UVNFWIZDU5","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"pith_short_8","alias_value":"F53OP6UV","created_at":"2026-07-05T04:18:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:F53OP6UVNFWIZDU5FXG6AWQRR5","target":"record","payload":{"canonical_record":{"source":{"id":"2204.13371","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-28T09:26:10Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"5e887df75e71c372ad78fe3d011878b904e472655077ecc1be0de5962398d351","abstract_canon_sha256":"e6672491ae22a948cd748ac9adeeac52d3fe95a0ebda84696c74743f5315192d"},"schema_version":"1.0"},"canonical_sha256":"2f76e7fa95696c8c8e9d2dcde05a118f697ec35a50ef86f8c6a12c8e34d87652","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:18:34.150201Z","signature_b64":"rxD5nc1OAPZZFoJgeC8mvUgu4hLKB3HVXc4NZg4V76e8DNi/n/F0CL/nBZauyX7bXqWAR96p7XxQTwU0oeBSDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f76e7fa95696c8c8e9d2dcde05a118f697ec35a50ef86f8c6a12c8e34d87652","last_reissued_at":"2026-07-05T04:18:34.149710Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:18:34.149710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.13371","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":"2026-07-05T04:18:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKjoSywGMkH0UunEwHdUax1tCmH9cYwckmE8fx0tfe/vD62wIj0NrCBJTZwBbHgUIZTxx27uFh562MVgzSltAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:22:01.296535Z"},"content_sha256":"8fef8ac87d3e9bcc01a1149b109aab39114c57ab0a1521bd18b2406df18a1f4c","schema_version":"1.0","event_id":"sha256:8fef8ac87d3e9bcc01a1149b109aab39114c57ab0a1521bd18b2406df18a1f4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:F53OP6UVNFWIZDU5FXG6AWQRR5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Role of Field of View for Occlusion Removal with Airborne Optical Sectioning","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Francis Seits, Indrajit Kurmi, Oliver Bimber, Rakesh John Amala Arokia Nathan, Rudolf Ortner","submitted_at":"2022-04-28T09:26:10Z","abstract_excerpt":"Occlusion caused by vegetation is an essential problem for remote sensing applications in areas, such as search and rescue, wildfire detection, wildlife observation, surveillance, border control, and others. Airborne Optical Sectioning (AOS) is an optical, wavelength-independent synthetic aperture imaging technique that supports computational occlusion removal in real-time. It can be applied with manned or unmanned aircrafts, such as drones. In this article, we demonstrate a relationship between forest density and field of view (FOV) of applied imaging systems. This finding was made with the h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.13371","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/2204.13371/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":"2026-07-05T04:18:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CW1Zas/zmTZT8wF8i+C8H5oxTQlkKBC7gxgJ17gEfA/ZIeAe0233nJnRVz8/Kr1FHm+3RYvconUwLxk6DPf7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:22:01.296842Z"},"content_sha256":"b16b315d46d151f40d877176beeb24ecb05dc6fe8bfe20e2d2caa0d152890a2c","schema_version":"1.0","event_id":"sha256:b16b315d46d151f40d877176beeb24ecb05dc6fe8bfe20e2d2caa0d152890a2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F53OP6UVNFWIZDU5FXG6AWQRR5/bundle.json","state_url":"https://pith.science/pith/F53OP6UVNFWIZDU5FXG6AWQRR5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F53OP6UVNFWIZDU5FXG6AWQRR5/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":"2026-07-31T20:22:01Z","links":{"resolver":"https://pith.science/pith/F53OP6UVNFWIZDU5FXG6AWQRR5","bundle":"https://pith.science/pith/F53OP6UVNFWIZDU5FXG6AWQRR5/bundle.json","state":"https://pith.science/pith/F53OP6UVNFWIZDU5FXG6AWQRR5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F53OP6UVNFWIZDU5FXG6AWQRR5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:F53OP6UVNFWIZDU5FXG6AWQRR5","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":"e6672491ae22a948cd748ac9adeeac52d3fe95a0ebda84696c74743f5315192d","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-28T09:26:10Z","title_canon_sha256":"5e887df75e71c372ad78fe3d011878b904e472655077ecc1be0de5962398d351"},"schema_version":"1.0","source":{"id":"2204.13371","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.13371","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"arxiv_version","alias_value":"2204.13371v1","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.13371","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"pith_short_12","alias_value":"F53OP6UVNFWI","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"pith_short_16","alias_value":"F53OP6UVNFWIZDU5","created_at":"2026-07-05T04:18:34Z"},{"alias_kind":"pith_short_8","alias_value":"F53OP6UV","created_at":"2026-07-05T04:18:34Z"}],"graph_snapshots":[{"event_id":"sha256:b16b315d46d151f40d877176beeb24ecb05dc6fe8bfe20e2d2caa0d152890a2c","target":"graph","created_at":"2026-07-05T04:18:34Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2204.13371/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Occlusion caused by vegetation is an essential problem for remote sensing applications in areas, such as search and rescue, wildfire detection, wildlife observation, surveillance, border control, and others. Airborne Optical Sectioning (AOS) is an optical, wavelength-independent synthetic aperture imaging technique that supports computational occlusion removal in real-time. It can be applied with manned or unmanned aircrafts, such as drones. In this article, we demonstrate a relationship between forest density and field of view (FOV) of applied imaging systems. This finding was made with the h","authors_text":"Francis Seits, Indrajit Kurmi, Oliver Bimber, Rakesh John Amala Arokia Nathan, Rudolf Ortner","cross_cats":["eess.IV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-28T09:26:10Z","title":"On the Role of Field of View for Occlusion Removal with Airborne Optical Sectioning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.13371","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":"sha256:8fef8ac87d3e9bcc01a1149b109aab39114c57ab0a1521bd18b2406df18a1f4c","target":"record","created_at":"2026-07-05T04:18:34Z","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":"e6672491ae22a948cd748ac9adeeac52d3fe95a0ebda84696c74743f5315192d","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-28T09:26:10Z","title_canon_sha256":"5e887df75e71c372ad78fe3d011878b904e472655077ecc1be0de5962398d351"},"schema_version":"1.0","source":{"id":"2204.13371","kind":"arxiv","version":1}},"canonical_sha256":"2f76e7fa95696c8c8e9d2dcde05a118f697ec35a50ef86f8c6a12c8e34d87652","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f76e7fa95696c8c8e9d2dcde05a118f697ec35a50ef86f8c6a12c8e34d87652","first_computed_at":"2026-07-05T04:18:34.149710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:18:34.149710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rxD5nc1OAPZZFoJgeC8mvUgu4hLKB3HVXc4NZg4V76e8DNi/n/F0CL/nBZauyX7bXqWAR96p7XxQTwU0oeBSDg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:18:34.150201Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.13371","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fef8ac87d3e9bcc01a1149b109aab39114c57ab0a1521bd18b2406df18a1f4c","sha256:b16b315d46d151f40d877176beeb24ecb05dc6fe8bfe20e2d2caa0d152890a2c"],"state_sha256":"56eb923c8b0941e6a46968f5e61676387d8b8d5049eca43d89856695a14e709a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZVC6ZpiemQ0JQS2IL1LzvzTp6re6135mXcdPjRtpr+gsqYr5Zgb/AFqGpAj4lOJfuKB6X8mRkH4rYrwH6IF2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T20:22:01.299831Z","bundle_sha256":"88666c51a0957339c48fc0a0092c0cb7d86003be3590b20335d14bca3d07a961"}}