{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:EMIOD777GR4O5Y5UYS7VSNVEXA","short_pith_number":"pith:EMIOD777","canonical_record":{"source":{"id":"1901.04540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-14T19:56:22Z","cross_cats_sorted":[],"title_canon_sha256":"f435789661c4d8a82152bbdd4ef31b9a2232f9e6f5ccd2149f11c5c3bd96f199","abstract_canon_sha256":"86be7a7ae95a76bf22592c41b84fbd6468eac7da421ba725cdf9e84757a08376"},"schema_version":"1.0"},"canonical_sha256":"2310e1ffff3478eee3b4c4bf5936a4b8386240bedaff760ecdc623b751342520","source":{"kind":"arxiv","id":"1901.04540","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.04540","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"arxiv_version","alias_value":"1901.04540v1","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.04540","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"pith_short_12","alias_value":"EMIOD777GR4O","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EMIOD777GR4O5Y5U","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EMIOD777","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:EMIOD777GR4O5Y5UYS7VSNVEXA","target":"record","payload":{"canonical_record":{"source":{"id":"1901.04540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-14T19:56:22Z","cross_cats_sorted":[],"title_canon_sha256":"f435789661c4d8a82152bbdd4ef31b9a2232f9e6f5ccd2149f11c5c3bd96f199","abstract_canon_sha256":"86be7a7ae95a76bf22592c41b84fbd6468eac7da421ba725cdf9e84757a08376"},"schema_version":"1.0"},"canonical_sha256":"2310e1ffff3478eee3b4c4bf5936a4b8386240bedaff760ecdc623b751342520","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:22.463339Z","signature_b64":"2eRj7sdX9JMRCimyezwrhv0ZZ1d37P7OiikMSc1Yv0ihGuwvIPfwzEqJ3NARlIaryeTPg/aADLjXbtrTombUBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2310e1ffff3478eee3b4c4bf5936a4b8386240bedaff760ecdc623b751342520","last_reissued_at":"2026-05-17T23:56:22.462652Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:22.462652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.04540","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":"2026-05-17T23:56:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GMEwYOzcRtXCNA1eRQswO9nqEXGYZV59KZlD9/ICCg0psGIb9dHCaRvel2tCrswVOfAWGBZwtORtL9CmiZwMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:40:50.539607Z"},"content_sha256":"29797373ad1975c7458342fa4a05952fd53f60c41a5ee535227ab8a074b766df","schema_version":"1.0","event_id":"sha256:29797373ad1975c7458342fa4a05952fd53f60c41a5ee535227ab8a074b766df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:EMIOD777GR4O5Y5UYS7VSNVEXA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assessment of central serous chorioretinopathy (CSC) depicted on color fundus photographs using deep Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hang Chen, Jiantao Pu, Jian Zhang, Meng Liu, Xin Meng, Xu Zhang, Yi Zhen","submitted_at":"2019-01-14T19:56:22Z","abstract_excerpt":"To investigate whether and to what extent central serous chorioretinopathy (CSC) depicted on color fundus photographs can be assessed using deep learning technology. We collected a total of 2,504 fundus images acquired on different subjects. We verified the CSC status of these images using their corresponding optical coherence tomography (OCT) images. A total of 1,329 images depicted CSC. These images were preprocessed and normalized. This resulting dataset was randomly split into three parts in the ratio of 8:1:1 respectively for training, validation, and testing purposes. We used the deep le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.04540","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":"2026-05-17T23:56:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dSALmIebqGkiob8jh4xLb61JmVuhejIsK2Ly3O7vnwAeexU8Z7KIyPe9rZCBxHiapCjA55TT28KHNux5Wy2JBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:40:50.539959Z"},"content_sha256":"c6c0bc900b12211b23445bd8e89f425fa7c368a36e09ed3c31a40b6da44d1191","schema_version":"1.0","event_id":"sha256:c6c0bc900b12211b23445bd8e89f425fa7c368a36e09ed3c31a40b6da44d1191"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMIOD777GR4O5Y5UYS7VSNVEXA/bundle.json","state_url":"https://pith.science/pith/EMIOD777GR4O5Y5UYS7VSNVEXA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMIOD777GR4O5Y5UYS7VSNVEXA/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":"2026-05-31T03:40:50Z","links":{"resolver":"https://pith.science/pith/EMIOD777GR4O5Y5UYS7VSNVEXA","bundle":"https://pith.science/pith/EMIOD777GR4O5Y5UYS7VSNVEXA/bundle.json","state":"https://pith.science/pith/EMIOD777GR4O5Y5UYS7VSNVEXA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMIOD777GR4O5Y5UYS7VSNVEXA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EMIOD777GR4O5Y5UYS7VSNVEXA","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":"86be7a7ae95a76bf22592c41b84fbd6468eac7da421ba725cdf9e84757a08376","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-14T19:56:22Z","title_canon_sha256":"f435789661c4d8a82152bbdd4ef31b9a2232f9e6f5ccd2149f11c5c3bd96f199"},"schema_version":"1.0","source":{"id":"1901.04540","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.04540","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"arxiv_version","alias_value":"1901.04540v1","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.04540","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"pith_short_12","alias_value":"EMIOD777GR4O","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EMIOD777GR4O5Y5U","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EMIOD777","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:c6c0bc900b12211b23445bd8e89f425fa7c368a36e09ed3c31a40b6da44d1191","target":"graph","created_at":"2026-05-17T23:56:22Z","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":"To investigate whether and to what extent central serous chorioretinopathy (CSC) depicted on color fundus photographs can be assessed using deep learning technology. We collected a total of 2,504 fundus images acquired on different subjects. We verified the CSC status of these images using their corresponding optical coherence tomography (OCT) images. A total of 1,329 images depicted CSC. These images were preprocessed and normalized. This resulting dataset was randomly split into three parts in the ratio of 8:1:1 respectively for training, validation, and testing purposes. We used the deep le","authors_text":"Hang Chen, Jiantao Pu, Jian Zhang, Meng Liu, Xin Meng, Xu Zhang, Yi Zhen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-14T19:56:22Z","title":"Assessment of central serous chorioretinopathy (CSC) depicted on color fundus photographs using deep Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.04540","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":"sha256:29797373ad1975c7458342fa4a05952fd53f60c41a5ee535227ab8a074b766df","target":"record","created_at":"2026-05-17T23:56:22Z","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":"86be7a7ae95a76bf22592c41b84fbd6468eac7da421ba725cdf9e84757a08376","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-14T19:56:22Z","title_canon_sha256":"f435789661c4d8a82152bbdd4ef31b9a2232f9e6f5ccd2149f11c5c3bd96f199"},"schema_version":"1.0","source":{"id":"1901.04540","kind":"arxiv","version":1}},"canonical_sha256":"2310e1ffff3478eee3b4c4bf5936a4b8386240bedaff760ecdc623b751342520","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2310e1ffff3478eee3b4c4bf5936a4b8386240bedaff760ecdc623b751342520","first_computed_at":"2026-05-17T23:56:22.462652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:22.462652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2eRj7sdX9JMRCimyezwrhv0ZZ1d37P7OiikMSc1Yv0ihGuwvIPfwzEqJ3NARlIaryeTPg/aADLjXbtrTombUBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:22.463339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.04540","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29797373ad1975c7458342fa4a05952fd53f60c41a5ee535227ab8a074b766df","sha256:c6c0bc900b12211b23445bd8e89f425fa7c368a36e09ed3c31a40b6da44d1191"],"state_sha256":"35f904475496de0fe89ca3023436f11c61d25fe06c3ed1a3ae60cefd09cf1537"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nJ9Jz0JceIl9piJlnMwsRkPIOAO4RQZ63vuGigYMwpNC17I/SXrtwsllLYSbUJi2uym9mgaFaShDmf+zm4HyCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:40:50.541897Z","bundle_sha256":"336986bb060b3a6d8f934cc3577f63996ac98d9559534d5e8c718ae1db80018a"}}