{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LEAVN2YA6DNQTULHHA4QBJW6PZ","short_pith_number":"pith:LEAVN2YA","canonical_record":{"source":{"id":"2304.07853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-04-16T18:33:20Z","cross_cats_sorted":[],"title_canon_sha256":"8e8531d74228a93cb42d11fda6dd988341ae5deedc292528c85761c0c276296a","abstract_canon_sha256":"10e236f6079e9900708fff36632d91953cc32b7b153d78a198ea9fb66a7c0352"},"schema_version":"1.0"},"canonical_sha256":"590156eb00f0db09d167383900a6de7e50fa40162e6d357d530199f04ab58916","source":{"kind":"arxiv","id":"2304.07853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.07853","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"2304.07853v1","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.07853","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"LEAVN2YA6DNQ","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"pith_short_16","alias_value":"LEAVN2YA6DNQTULH","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"pith_short_8","alias_value":"LEAVN2YA","created_at":"2026-07-05T09:00:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LEAVN2YA6DNQTULHHA4QBJW6PZ","target":"record","payload":{"canonical_record":{"source":{"id":"2304.07853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-04-16T18:33:20Z","cross_cats_sorted":[],"title_canon_sha256":"8e8531d74228a93cb42d11fda6dd988341ae5deedc292528c85761c0c276296a","abstract_canon_sha256":"10e236f6079e9900708fff36632d91953cc32b7b153d78a198ea9fb66a7c0352"},"schema_version":"1.0"},"canonical_sha256":"590156eb00f0db09d167383900a6de7e50fa40162e6d357d530199f04ab58916","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:00:50.287631Z","signature_b64":"Sz9SD1zEk+0V9WoAtU1ctd7BJrUdy8QyPqCER0031+Adml7+tnfUGWdc2NHr2sVgButBsuYgP2/o6wGN87FUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"590156eb00f0db09d167383900a6de7e50fa40162e6d357d530199f04ab58916","last_reissued_at":"2026-07-05T09:00:50.287125Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:00:50.287125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.07853","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":"2026-07-05T09:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m5T5xZ4+EeIm5fq7eolU+rkfthWlNcLLv5A7vzH+WWU2NHsNDAis61onhKKaOVjifHDhabB79HautBV/06ukBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:52:22.239739Z"},"content_sha256":"3df329d625c886fbe2b2f7796bceea8046a8d309252a9c0fa912eff9c34825ed","schema_version":"1.0","event_id":"sha256:3df329d625c886fbe2b2f7796bceea8046a8d309252a9c0fa912eff9c34825ed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LEAVN2YA6DNQTULHHA4QBJW6PZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AI driven shadow model detection in agropv farms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Pascal Brunet, Sai Paavan Kumar Dornadula, Susan Elias","submitted_at":"2023-04-16T18:33:20Z","abstract_excerpt":"Agro-photovoltaic (APV) is a growing farming practice that combines agriculture and solar photovoltaic projects within the same area. This emerging market is expected to experience significant growth in the next few years, with a projected investment of $9 billion in 2030. Identifying shadows is crucial to understanding the APV environment, as they impact plant growth, microclimate, and evapotranspiration. In this study, we use state-of-the-art CNN and GAN-based neural networks to detect shadows in agro-PV farms, demonstrating their effectiveness. However, challenges remain, including partial "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.07853","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/2304.07853/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":"2026-07-05T09:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iqbJ8rnpp17QX/kaWih01DanVhafbLQcPYuVmS9auR531vECizbyjlD8AZ353NgHZdQ7fg5ooOTun77SQJkYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:52:22.240449Z"},"content_sha256":"74b0f2f580318414f3a1d62c3664dbfa138eacce5917444d9cebad55151387f9","schema_version":"1.0","event_id":"sha256:74b0f2f580318414f3a1d62c3664dbfa138eacce5917444d9cebad55151387f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ/bundle.json","state_url":"https://pith.science/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ/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":"2026-08-15T08:52:22Z","links":{"resolver":"https://pith.science/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ","bundle":"https://pith.science/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ/bundle.json","state":"https://pith.science/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LEAVN2YA6DNQTULHHA4QBJW6PZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LEAVN2YA6DNQTULHHA4QBJW6PZ","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":"10e236f6079e9900708fff36632d91953cc32b7b153d78a198ea9fb66a7c0352","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-04-16T18:33:20Z","title_canon_sha256":"8e8531d74228a93cb42d11fda6dd988341ae5deedc292528c85761c0c276296a"},"schema_version":"1.0","source":{"id":"2304.07853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.07853","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"2304.07853v1","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.07853","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"LEAVN2YA6DNQ","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"pith_short_16","alias_value":"LEAVN2YA6DNQTULH","created_at":"2026-07-05T09:00:50Z"},{"alias_kind":"pith_short_8","alias_value":"LEAVN2YA","created_at":"2026-07-05T09:00:50Z"}],"graph_snapshots":[{"event_id":"sha256:74b0f2f580318414f3a1d62c3664dbfa138eacce5917444d9cebad55151387f9","target":"graph","created_at":"2026-07-05T09:00:50Z","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/2304.07853/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Agro-photovoltaic (APV) is a growing farming practice that combines agriculture and solar photovoltaic projects within the same area. This emerging market is expected to experience significant growth in the next few years, with a projected investment of $9 billion in 2030. Identifying shadows is crucial to understanding the APV environment, as they impact plant growth, microclimate, and evapotranspiration. In this study, we use state-of-the-art CNN and GAN-based neural networks to detect shadows in agro-PV farms, demonstrating their effectiveness. However, challenges remain, including partial ","authors_text":"Pascal Brunet, Sai Paavan Kumar Dornadula, Susan Elias","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-04-16T18:33:20Z","title":"AI driven shadow model detection in agropv farms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.07853","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":"sha256:3df329d625c886fbe2b2f7796bceea8046a8d309252a9c0fa912eff9c34825ed","target":"record","created_at":"2026-07-05T09:00:50Z","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":"10e236f6079e9900708fff36632d91953cc32b7b153d78a198ea9fb66a7c0352","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-04-16T18:33:20Z","title_canon_sha256":"8e8531d74228a93cb42d11fda6dd988341ae5deedc292528c85761c0c276296a"},"schema_version":"1.0","source":{"id":"2304.07853","kind":"arxiv","version":1}},"canonical_sha256":"590156eb00f0db09d167383900a6de7e50fa40162e6d357d530199f04ab58916","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"590156eb00f0db09d167383900a6de7e50fa40162e6d357d530199f04ab58916","first_computed_at":"2026-07-05T09:00:50.287125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:00:50.287125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sz9SD1zEk+0V9WoAtU1ctd7BJrUdy8QyPqCER0031+Adml7+tnfUGWdc2NHr2sVgButBsuYgP2/o6wGN87FUAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:00:50.287631Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.07853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3df329d625c886fbe2b2f7796bceea8046a8d309252a9c0fa912eff9c34825ed","sha256:74b0f2f580318414f3a1d62c3664dbfa138eacce5917444d9cebad55151387f9"],"state_sha256":"ce6bc542963576e7d89b24688763d848b85fbda8f0a6c3f5707eb328c442eba1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EtB4A6c6QStzxPM9/lVg/YtNiC43oX904xCwErnhYgvW2z88vYY4ogi6NTEIT8kMbXvpZjN+Gxt1XnF5XGaMBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T08:52:22.250043Z","bundle_sha256":"b94b2eec64491797e464487d1f3088bcc8f3107fb3652769b2557095e46b1759"}}