{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:2B5URHMUO25ZLNSSNRGQQRILIH","short_pith_number":"pith:2B5URHMU","canonical_record":{"source":{"id":"2004.06334","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-04-14T07:37:21Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"154ea310d81979a492967f712b117e591e710116a3fed0a2822d43c32c789154","abstract_canon_sha256":"7e04f88fefbc64cca4dc0066baa9d0cc78e097186f9b7209399d3febcee91b1b"},"schema_version":"1.0"},"canonical_sha256":"d07b489d9476bb95b6526c4d08450b41ebd546aa6267a1d6ba685bd7168a3eb7","source":{"kind":"arxiv","id":"2004.06334","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.06334","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"arxiv_version","alias_value":"2004.06334v1","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.06334","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"pith_short_12","alias_value":"2B5URHMUO25Z","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"pith_short_16","alias_value":"2B5URHMUO25ZLNSS","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"pith_short_8","alias_value":"2B5URHMU","created_at":"2026-07-05T00:54:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:2B5URHMUO25ZLNSSNRGQQRILIH","target":"record","payload":{"canonical_record":{"source":{"id":"2004.06334","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-04-14T07:37:21Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"154ea310d81979a492967f712b117e591e710116a3fed0a2822d43c32c789154","abstract_canon_sha256":"7e04f88fefbc64cca4dc0066baa9d0cc78e097186f9b7209399d3febcee91b1b"},"schema_version":"1.0"},"canonical_sha256":"d07b489d9476bb95b6526c4d08450b41ebd546aa6267a1d6ba685bd7168a3eb7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:54:51.045158Z","signature_b64":"tzBMpzRZPtJbYSZOrbAIopA5vXAEY9GRAjkXzPhr738HuuzSxZCzOHpCKZXbCXUqmeM8g7HMEKjwYYDcZ5KXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d07b489d9476bb95b6526c4d08450b41ebd546aa6267a1d6ba685bd7168a3eb7","last_reissued_at":"2026-07-05T00:54:51.044693Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:54:51.044693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.06334","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":"2026-07-05T00:54:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h1vwFhbWOvrGBv0nPKiGXlVeAMPFjtn/Yzwai926S4BNKpwh6FEGR5vGUGJ37DW0TWK4ZvENXyaqUfN+/w+IBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T18:36:15.646146Z"},"content_sha256":"8f8d9b379938e3318940480049f8f11ec20a43dc6a1225b56d59421460400071","schema_version":"1.0","event_id":"sha256:8f8d9b379938e3318940480049f8f11ec20a43dc6a1225b56d59421460400071"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:2B5URHMUO25ZLNSSNRGQQRILIH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automated Diabetic Retinopathy Grading using Deep Convolutional Neural Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Kajol Gupta, Prakash S. Prasad, Saket S. Chaturvedi, Vaishali Ninawe","submitted_at":"2020-04-14T07:37:21Z","abstract_excerpt":"Diabetic Retinopathy is a global health problem, influences 100 million individuals worldwide, and in the next few decades, these incidences are expected to reach epidemic proportions. Diabetic Retinopathy is a subtle eye disease that can cause sudden, irreversible vision loss. The early-stage Diabetic Retinopathy diagnosis can be challenging for human experts, considering the visual complexity of fundus photography retinal images. However, Early Stage detection of Diabetic Retinopathy can significantly alter the severe vision loss problem. The competence of computer-aided detection systems to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.06334","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/2004.06334/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":"2026-07-05T00:54:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ghwv7GHQVvJQCOgwY+tuGWorOeUGcStX5O0tGReRfUavfKDg4TRXdSekpIISrBiSJl0Ca7LgPzcrLpo7hb3DAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T18:36:15.646673Z"},"content_sha256":"fe3b41f70922cbf59f836dc55cf8b56f6bd401fb476d6e4ce488164f6a76489b","schema_version":"1.0","event_id":"sha256:fe3b41f70922cbf59f836dc55cf8b56f6bd401fb476d6e4ce488164f6a76489b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2B5URHMUO25ZLNSSNRGQQRILIH/bundle.json","state_url":"https://pith.science/pith/2B5URHMUO25ZLNSSNRGQQRILIH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2B5URHMUO25ZLNSSNRGQQRILIH/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":"2026-08-09T18:36:15Z","links":{"resolver":"https://pith.science/pith/2B5URHMUO25ZLNSSNRGQQRILIH","bundle":"https://pith.science/pith/2B5URHMUO25ZLNSSNRGQQRILIH/bundle.json","state":"https://pith.science/pith/2B5URHMUO25ZLNSSNRGQQRILIH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2B5URHMUO25ZLNSSNRGQQRILIH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:2B5URHMUO25ZLNSSNRGQQRILIH","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":"7e04f88fefbc64cca4dc0066baa9d0cc78e097186f9b7209399d3febcee91b1b","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-04-14T07:37:21Z","title_canon_sha256":"154ea310d81979a492967f712b117e591e710116a3fed0a2822d43c32c789154"},"schema_version":"1.0","source":{"id":"2004.06334","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.06334","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"arxiv_version","alias_value":"2004.06334v1","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.06334","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"pith_short_12","alias_value":"2B5URHMUO25Z","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"pith_short_16","alias_value":"2B5URHMUO25ZLNSS","created_at":"2026-07-05T00:54:51Z"},{"alias_kind":"pith_short_8","alias_value":"2B5URHMU","created_at":"2026-07-05T00:54:51Z"}],"graph_snapshots":[{"event_id":"sha256:fe3b41f70922cbf59f836dc55cf8b56f6bd401fb476d6e4ce488164f6a76489b","target":"graph","created_at":"2026-07-05T00:54:51Z","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/2004.06334/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Diabetic Retinopathy is a global health problem, influences 100 million individuals worldwide, and in the next few decades, these incidences are expected to reach epidemic proportions. Diabetic Retinopathy is a subtle eye disease that can cause sudden, irreversible vision loss. The early-stage Diabetic Retinopathy diagnosis can be challenging for human experts, considering the visual complexity of fundus photography retinal images. However, Early Stage detection of Diabetic Retinopathy can significantly alter the severe vision loss problem. The competence of computer-aided detection systems to","authors_text":"Kajol Gupta, Prakash S. Prasad, Saket S. Chaturvedi, Vaishali Ninawe","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-04-14T07:37:21Z","title":"Automated Diabetic Retinopathy Grading using Deep Convolutional Neural Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.06334","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":"sha256:8f8d9b379938e3318940480049f8f11ec20a43dc6a1225b56d59421460400071","target":"record","created_at":"2026-07-05T00:54:51Z","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":"7e04f88fefbc64cca4dc0066baa9d0cc78e097186f9b7209399d3febcee91b1b","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-04-14T07:37:21Z","title_canon_sha256":"154ea310d81979a492967f712b117e591e710116a3fed0a2822d43c32c789154"},"schema_version":"1.0","source":{"id":"2004.06334","kind":"arxiv","version":1}},"canonical_sha256":"d07b489d9476bb95b6526c4d08450b41ebd546aa6267a1d6ba685bd7168a3eb7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d07b489d9476bb95b6526c4d08450b41ebd546aa6267a1d6ba685bd7168a3eb7","first_computed_at":"2026-07-05T00:54:51.044693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:54:51.044693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tzBMpzRZPtJbYSZOrbAIopA5vXAEY9GRAjkXzPhr738HuuzSxZCzOHpCKZXbCXUqmeM8g7HMEKjwYYDcZ5KXAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:54:51.045158Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.06334","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f8d9b379938e3318940480049f8f11ec20a43dc6a1225b56d59421460400071","sha256:fe3b41f70922cbf59f836dc55cf8b56f6bd401fb476d6e4ce488164f6a76489b"],"state_sha256":"539807e58d54296e71bcc18cbbd26b38d7388a3f3325e4c943be733f4dc7d5bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uv6KC0OAvkwISdkDwMHgtdON9AyyEme/9iZQXpyOJRJ858FTZhSpt6RrC5CHc6YOPwmHa6CYkjNxfJwZBw6AAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T18:36:15.652479Z","bundle_sha256":"91035d5ed00fa643c4485953122016a0d18221634f9271d25d68a912d4c559a6"}}