{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DPDXD7ZYCZBZ4E5UUYMFOGJY3V","short_pith_number":"pith:DPDXD7ZY","canonical_record":{"source":{"id":"1901.03749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-08T08:48:47Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"cbc5b68bcdd808d1fa1eb757da6172efaeb9192207d26b9597f6bc3b2a00c616","abstract_canon_sha256":"af5d1fc4cf5e9bfac4c7bba392e529d79452dc613dadfbeb20e1977f5143a8bc"},"schema_version":"1.0"},"canonical_sha256":"1bc771ff3816439e13b4a618571938dd5dce810e9fb43ef065e16b7ca301c5ce","source":{"kind":"arxiv","id":"1901.03749","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03749","created_at":"2026-05-17T23:56:27Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03749v1","created_at":"2026-05-17T23:56:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03749","created_at":"2026-05-17T23:56:27Z"},{"alias_kind":"pith_short_12","alias_value":"DPDXD7ZYCZBZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DPDXD7ZYCZBZ4E5U","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DPDXD7ZY","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DPDXD7ZYCZBZ4E5UUYMFOGJY3V","target":"record","payload":{"canonical_record":{"source":{"id":"1901.03749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-08T08:48:47Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"cbc5b68bcdd808d1fa1eb757da6172efaeb9192207d26b9597f6bc3b2a00c616","abstract_canon_sha256":"af5d1fc4cf5e9bfac4c7bba392e529d79452dc613dadfbeb20e1977f5143a8bc"},"schema_version":"1.0"},"canonical_sha256":"1bc771ff3816439e13b4a618571938dd5dce810e9fb43ef065e16b7ca301c5ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:27.123619Z","signature_b64":"kcVT6FAavtt808JTIJFyM1IHE1fhVRjCfHMPf2Ql9TMqRghkBnISebMUhL/zWOoJs+4LzD7y33B9KZ3O9QCZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bc771ff3816439e13b4a618571938dd5dce810e9fb43ef065e16b7ca301c5ce","last_reissued_at":"2026-05-17T23:56:27.123204Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:27.123204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.03749","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":"2026-05-17T23:56:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8bxKRA2eyo1oeny1HRjafJ4EVdcOwJkqDult1Kxp9BJJXl5aUPxnDMMBoZ+Za4oR9MqoXPXE4X8cm/f2U8BhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T17:18:52.098775Z"},"content_sha256":"e49f19797bef4f49f67e3cf2adde756736177169f7762f8a76d01bcca0007726","schema_version":"1.0","event_id":"sha256:e49f19797bef4f49f67e3cf2adde756736177169f7762f8a76d01bcca0007726"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DPDXD7ZYCZBZ4E5UUYMFOGJY3V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Translating SAR to Optical Images for Assisted Interpretation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ML"],"primary_cat":"cs.CV","authors_text":"Feng Xu, Shilei Fu, Ya-Qiu Jin","submitted_at":"2019-01-08T08:48:47Z","abstract_excerpt":"Despite the advantages of all-weather and all-day high-resolution imaging, SAR remote sensing images are much less viewed and used by general people because human vision is not adapted to microwave scattering phenomenon. However, expert interpreters can be trained by compare side-by-side SAR and optical images to learn the translation rules from SAR to optical. This paper attempts to develop machine intelligence that are trainable with large-volume co-registered SAR and optical images to translate SAR image to optical version for assisted SAR interpretation. A novel reciprocal GAN scheme is pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03749","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":"2026-05-17T23:56:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wNLVlkOUzpJ7ioABhmJPhgBjhBrL05oqVJMt8kuBlyhk9Z5Ofz9SsTwqi+2oxZFsB1vz/dJZ40hE5ceD1GrECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T17:18:52.099121Z"},"content_sha256":"9b6ad618ca298b8770bd67b025c5c7a2af568315348e0220052441aec4679f33","schema_version":"1.0","event_id":"sha256:9b6ad618ca298b8770bd67b025c5c7a2af568315348e0220052441aec4679f33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V/bundle.json","state_url":"https://pith.science/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V/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":"2026-06-04T17:18:52Z","links":{"resolver":"https://pith.science/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V","bundle":"https://pith.science/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V/bundle.json","state":"https://pith.science/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPDXD7ZYCZBZ4E5UUYMFOGJY3V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DPDXD7ZYCZBZ4E5UUYMFOGJY3V","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":"af5d1fc4cf5e9bfac4c7bba392e529d79452dc613dadfbeb20e1977f5143a8bc","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-08T08:48:47Z","title_canon_sha256":"cbc5b68bcdd808d1fa1eb757da6172efaeb9192207d26b9597f6bc3b2a00c616"},"schema_version":"1.0","source":{"id":"1901.03749","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03749","created_at":"2026-05-17T23:56:27Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03749v1","created_at":"2026-05-17T23:56:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03749","created_at":"2026-05-17T23:56:27Z"},{"alias_kind":"pith_short_12","alias_value":"DPDXD7ZYCZBZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DPDXD7ZYCZBZ4E5U","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DPDXD7ZY","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:9b6ad618ca298b8770bd67b025c5c7a2af568315348e0220052441aec4679f33","target":"graph","created_at":"2026-05-17T23:56:27Z","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":"Despite the advantages of all-weather and all-day high-resolution imaging, SAR remote sensing images are much less viewed and used by general people because human vision is not adapted to microwave scattering phenomenon. However, expert interpreters can be trained by compare side-by-side SAR and optical images to learn the translation rules from SAR to optical. This paper attempts to develop machine intelligence that are trainable with large-volume co-registered SAR and optical images to translate SAR image to optical version for assisted SAR interpretation. A novel reciprocal GAN scheme is pr","authors_text":"Feng Xu, Shilei Fu, Ya-Qiu Jin","cross_cats":["cs.LG","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-08T08:48:47Z","title":"Translating SAR to Optical Images for Assisted Interpretation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03749","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:e49f19797bef4f49f67e3cf2adde756736177169f7762f8a76d01bcca0007726","target":"record","created_at":"2026-05-17T23:56:27Z","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":"af5d1fc4cf5e9bfac4c7bba392e529d79452dc613dadfbeb20e1977f5143a8bc","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-08T08:48:47Z","title_canon_sha256":"cbc5b68bcdd808d1fa1eb757da6172efaeb9192207d26b9597f6bc3b2a00c616"},"schema_version":"1.0","source":{"id":"1901.03749","kind":"arxiv","version":1}},"canonical_sha256":"1bc771ff3816439e13b4a618571938dd5dce810e9fb43ef065e16b7ca301c5ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bc771ff3816439e13b4a618571938dd5dce810e9fb43ef065e16b7ca301c5ce","first_computed_at":"2026-05-17T23:56:27.123204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:27.123204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kcVT6FAavtt808JTIJFyM1IHE1fhVRjCfHMPf2Ql9TMqRghkBnISebMUhL/zWOoJs+4LzD7y33B9KZ3O9QCZCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:27.123619Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.03749","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e49f19797bef4f49f67e3cf2adde756736177169f7762f8a76d01bcca0007726","sha256:9b6ad618ca298b8770bd67b025c5c7a2af568315348e0220052441aec4679f33"],"state_sha256":"16d7619b466215b5cf10b9a395e399d387c75df0681954366eb123d2debf34dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3TfA1jIoCxomBqK3dFbrcOTVIF42L/0Hygh14MaTOcmlInWksqba0UUBz9WZw5BzvlWiRD4ePfZlzL/oGZlvAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T17:18:52.101139Z","bundle_sha256":"535bee91ca92bd87cbeef0c6cb21c483f6bd4057e1baa9ad84447cf264f23b9d"}}