{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Y5DKWKT3OAH4FYXT4VQFMN5DSJ","short_pith_number":"pith:Y5DKWKT3","canonical_record":{"source":{"id":"1907.10961","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-07-25T10:53:28Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"d7abc69c4a82b1bb197610b7c4a273dca607b0e6282412ba3138bce318d122fc","abstract_canon_sha256":"91a39d0855c63f4cef94fda96a4df09b7f5afc4855ce2ef4eda435196468facf"},"schema_version":"1.0"},"canonical_sha256":"c746ab2a7b700fc2e2f3e5605637a39263ca7d1373155655777312dd4a9e991e","source":{"kind":"arxiv","id":"1907.10961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10961","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10961v1","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10961","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"Y5DKWKT3OAH4","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Y5DKWKT3OAH4FYXT","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Y5DKWKT3","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Y5DKWKT3OAH4FYXT4VQFMN5DSJ","target":"record","payload":{"canonical_record":{"source":{"id":"1907.10961","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-07-25T10:53:28Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"d7abc69c4a82b1bb197610b7c4a273dca607b0e6282412ba3138bce318d122fc","abstract_canon_sha256":"91a39d0855c63f4cef94fda96a4df09b7f5afc4855ce2ef4eda435196468facf"},"schema_version":"1.0"},"canonical_sha256":"c746ab2a7b700fc2e2f3e5605637a39263ca7d1373155655777312dd4a9e991e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:32.858434Z","signature_b64":"sysroYlIUb6rq8mOTrPl6QKqtStBfQveLcQXTAyYmEBbbHJV7wqs31zSL7GEQ49sUBdZQvRevCCg0BxpyfihAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c746ab2a7b700fc2e2f3e5605637a39263ca7d1373155655777312dd4a9e991e","last_reissued_at":"2026-05-17T23:39:32.857729Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:32.857729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.10961","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":"2026-05-17T23:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BuNdo8ijJkFJ8HIwq+dpxXnO6G5J1n4xaTi6XLW4DhSvnjfJHy/ra8dAOxaWWTiwShsVeETwkBS6HjlzRs8SBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T22:50:06.319108Z"},"content_sha256":"3f9f6f8248aa5f50e7bdd8e18b36a870285b7df193778c684faca8dc1091e43f","schema_version":"1.0","event_id":"sha256:3f9f6f8248aa5f50e7bdd8e18b36a870285b7df193778c684faca8dc1091e43f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Y5DKWKT3OAH4FYXT4VQFMN5DSJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is Texture Predictive for Age and Sex in Brain MRI?","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Ben Glocker, Nick Pawlowski","submitted_at":"2019-07-25T10:53:28Z","abstract_excerpt":"Deep learning builds the foundation for many medical image analysis tasks where neuralnetworks are often designed to have a large receptive field to incorporate long spatialdependencies. Recent work has shown that large receptive fields are not always necessaryfor computer vision tasks on natural images. We explore whether this translates to certainmedical imaging tasks such as age and sex prediction from a T1-weighted brain MRI scans."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10961","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":"2026-05-17T23:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BeJ/J6rjb1b3Fm8z3ebrvenRKGLCUs85YwlLX7P/mjRVd4f/C3wYF8zhIhMLJSfRAgpI5lHtsr8K0waeGfadDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T22:50:06.319740Z"},"content_sha256":"bf864ee26e29999ee0cb8f944000ac6c633004f9cfcf34bf2d76d908b6d08823","schema_version":"1.0","event_id":"sha256:bf864ee26e29999ee0cb8f944000ac6c633004f9cfcf34bf2d76d908b6d08823"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ/bundle.json","state_url":"https://pith.science/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ/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":"2026-08-09T22:50:06Z","links":{"resolver":"https://pith.science/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ","bundle":"https://pith.science/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ/bundle.json","state":"https://pith.science/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5DKWKT3OAH4FYXT4VQFMN5DSJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y5DKWKT3OAH4FYXT4VQFMN5DSJ","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":"91a39d0855c63f4cef94fda96a4df09b7f5afc4855ce2ef4eda435196468facf","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-07-25T10:53:28Z","title_canon_sha256":"d7abc69c4a82b1bb197610b7c4a273dca607b0e6282412ba3138bce318d122fc"},"schema_version":"1.0","source":{"id":"1907.10961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10961","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10961v1","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10961","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"Y5DKWKT3OAH4","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Y5DKWKT3OAH4FYXT","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Y5DKWKT3","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:bf864ee26e29999ee0cb8f944000ac6c633004f9cfcf34bf2d76d908b6d08823","target":"graph","created_at":"2026-05-17T23:39:32Z","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":"Deep learning builds the foundation for many medical image analysis tasks where neuralnetworks are often designed to have a large receptive field to incorporate long spatialdependencies. Recent work has shown that large receptive fields are not always necessaryfor computer vision tasks on natural images. We explore whether this translates to certainmedical imaging tasks such as age and sex prediction from a T1-weighted brain MRI scans.","authors_text":"Ben Glocker, Nick Pawlowski","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-07-25T10:53:28Z","title":"Is Texture Predictive for Age and Sex in Brain MRI?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10961","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":"sha256:3f9f6f8248aa5f50e7bdd8e18b36a870285b7df193778c684faca8dc1091e43f","target":"record","created_at":"2026-05-17T23:39:32Z","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":"91a39d0855c63f4cef94fda96a4df09b7f5afc4855ce2ef4eda435196468facf","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-07-25T10:53:28Z","title_canon_sha256":"d7abc69c4a82b1bb197610b7c4a273dca607b0e6282412ba3138bce318d122fc"},"schema_version":"1.0","source":{"id":"1907.10961","kind":"arxiv","version":1}},"canonical_sha256":"c746ab2a7b700fc2e2f3e5605637a39263ca7d1373155655777312dd4a9e991e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c746ab2a7b700fc2e2f3e5605637a39263ca7d1373155655777312dd4a9e991e","first_computed_at":"2026-05-17T23:39:32.857729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:32.857729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sysroYlIUb6rq8mOTrPl6QKqtStBfQveLcQXTAyYmEBbbHJV7wqs31zSL7GEQ49sUBdZQvRevCCg0BxpyfihAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:32.858434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.10961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f9f6f8248aa5f50e7bdd8e18b36a870285b7df193778c684faca8dc1091e43f","sha256:bf864ee26e29999ee0cb8f944000ac6c633004f9cfcf34bf2d76d908b6d08823"],"state_sha256":"ad215002944531357aa31ba2e8eee61ba4f8f38c9d86a90391079b6154099475"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"df9AIaBYTyMjt5/oxaNqkh0Ip/GXMoIFxwiWV/23qtQZGU3bwgapSy5qYWNFVzS0/NrEyxraCDJ4u4MkxqdSBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T22:50:06.326195Z","bundle_sha256":"3946c3621e7eb8821d97144719aa4bee94bd8428f917040015a7716c660d594b"}}