{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7CQBHSTBGCS6O3W2YZBFUMTDJO","short_pith_number":"pith:7CQBHSTB","canonical_record":{"source":{"id":"1910.02420","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-10-06T11:33:13Z","cross_cats_sorted":["cs.CV","stat.ML"],"title_canon_sha256":"ac1af0d2d14b3a455de7315a45292ccf4acddab2549f506fb1dbb63fe66a6788","abstract_canon_sha256":"fb29fc1a2d716f6fb8474b4d7e899958fe2574ba12b398bb3e328d16baddcf40"},"schema_version":"1.0"},"canonical_sha256":"f8a013ca6130a5e76edac6425a32634b96b6fb9f67a20a8d071e84381cb2583a","source":{"kind":"arxiv","id":"1910.02420","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.02420","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"arxiv_version","alias_value":"1910.02420v2","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.02420","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"pith_short_12","alias_value":"7CQBHSTBGCS6","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"pith_short_16","alias_value":"7CQBHSTBGCS6O3W2","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"pith_short_8","alias_value":"7CQBHSTB","created_at":"2026-07-05T00:37:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7CQBHSTBGCS6O3W2YZBFUMTDJO","target":"record","payload":{"canonical_record":{"source":{"id":"1910.02420","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-10-06T11:33:13Z","cross_cats_sorted":["cs.CV","stat.ML"],"title_canon_sha256":"ac1af0d2d14b3a455de7315a45292ccf4acddab2549f506fb1dbb63fe66a6788","abstract_canon_sha256":"fb29fc1a2d716f6fb8474b4d7e899958fe2574ba12b398bb3e328d16baddcf40"},"schema_version":"1.0"},"canonical_sha256":"f8a013ca6130a5e76edac6425a32634b96b6fb9f67a20a8d071e84381cb2583a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:37:48.286107Z","signature_b64":"0mIwhg61b1yRABPQNn5uNAqeGV9YGrl7YoP3AVISAPYK2IiJGVle2efuaifkFNAqrTyLhy7iCnxnbYWaEUN1Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8a013ca6130a5e76edac6425a32634b96b6fb9f67a20a8d071e84381cb2583a","last_reissued_at":"2026-07-05T00:37:48.285615Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:37:48.285615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.02420","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:37:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i01pVRBNblyYdKjypToyyL9VPt9/yGdnWqo1rmYwC1aDpgdQUJdzSPB1Z7r7SxdgP2i/g/wbDf1yNVh627AAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T04:12:45.298838Z"},"content_sha256":"cd497b2bf27ac4f6cc779f4017e7a5b5f2cd86e27812cd96a483777dd9cdf8b1","schema_version":"1.0","event_id":"sha256:cd497b2bf27ac4f6cc779f4017e7a5b5f2cd86e27812cd96a483777dd9cdf8b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7CQBHSTBGCS6O3W2YZBFUMTDJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep learning-based development of personalized human head model with non-uniform conductivity for brain stimulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","stat.ML"],"primary_cat":"cs.LG","authors_text":"Akimasa Hirata, Essam A. Rashed, Jose Gomez-Tames","submitted_at":"2019-10-06T11:33:13Z","abstract_excerpt":"Electromagnetic stimulation of the human brain is a key tool for the neurophysiological characterization and diagnosis of several neurological disorders. Transcranial magnetic stimulation (TMS) is one procedure that is commonly used clinically. However, personalized TMS requires a pipeline for accurate head model generation to provide target-specific stimulation. This process includes intensive segmentation of several head tissues based on magnetic resonance imaging (MRI), which has significant potential for segmentation error, especially for low-contrast tissues. Additionally, a uniform elect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.02420","kind":"arxiv","version":2},"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/1910.02420/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":"2026-07-05T00:37:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RhRiMBBAh8hTTifcG3rp3FK2Q9qfFwIgh/+FJ72cPGt8uur4k1M9dXTorl/9+jTLxc/rPzvK6tQ5AoQMLcQMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T04:12:45.299473Z"},"content_sha256":"bf339a66ea955a80012dc3039cb860f87c3ea531873d2a70a1ff6f2f289dbcd0","schema_version":"1.0","event_id":"sha256:bf339a66ea955a80012dc3039cb860f87c3ea531873d2a70a1ff6f2f289dbcd0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO/bundle.json","state_url":"https://pith.science/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO/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":"2026-08-23T04:12:45Z","links":{"resolver":"https://pith.science/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO","bundle":"https://pith.science/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO/bundle.json","state":"https://pith.science/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7CQBHSTBGCS6O3W2YZBFUMTDJO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7CQBHSTBGCS6O3W2YZBFUMTDJO","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":"fb29fc1a2d716f6fb8474b4d7e899958fe2574ba12b398bb3e328d16baddcf40","cross_cats_sorted":["cs.CV","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-10-06T11:33:13Z","title_canon_sha256":"ac1af0d2d14b3a455de7315a45292ccf4acddab2549f506fb1dbb63fe66a6788"},"schema_version":"1.0","source":{"id":"1910.02420","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.02420","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"arxiv_version","alias_value":"1910.02420v2","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.02420","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"pith_short_12","alias_value":"7CQBHSTBGCS6","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"pith_short_16","alias_value":"7CQBHSTBGCS6O3W2","created_at":"2026-07-05T00:37:48Z"},{"alias_kind":"pith_short_8","alias_value":"7CQBHSTB","created_at":"2026-07-05T00:37:48Z"}],"graph_snapshots":[{"event_id":"sha256:bf339a66ea955a80012dc3039cb860f87c3ea531873d2a70a1ff6f2f289dbcd0","target":"graph","created_at":"2026-07-05T00:37:48Z","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/1910.02420/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electromagnetic stimulation of the human brain is a key tool for the neurophysiological characterization and diagnosis of several neurological disorders. Transcranial magnetic stimulation (TMS) is one procedure that is commonly used clinically. However, personalized TMS requires a pipeline for accurate head model generation to provide target-specific stimulation. This process includes intensive segmentation of several head tissues based on magnetic resonance imaging (MRI), which has significant potential for segmentation error, especially for low-contrast tissues. Additionally, a uniform elect","authors_text":"Akimasa Hirata, Essam A. Rashed, Jose Gomez-Tames","cross_cats":["cs.CV","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-10-06T11:33:13Z","title":"Deep learning-based development of personalized human head model with non-uniform conductivity for brain stimulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.02420","kind":"arxiv","version":2},"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:cd497b2bf27ac4f6cc779f4017e7a5b5f2cd86e27812cd96a483777dd9cdf8b1","target":"record","created_at":"2026-07-05T00:37:48Z","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":"fb29fc1a2d716f6fb8474b4d7e899958fe2574ba12b398bb3e328d16baddcf40","cross_cats_sorted":["cs.CV","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-10-06T11:33:13Z","title_canon_sha256":"ac1af0d2d14b3a455de7315a45292ccf4acddab2549f506fb1dbb63fe66a6788"},"schema_version":"1.0","source":{"id":"1910.02420","kind":"arxiv","version":2}},"canonical_sha256":"f8a013ca6130a5e76edac6425a32634b96b6fb9f67a20a8d071e84381cb2583a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8a013ca6130a5e76edac6425a32634b96b6fb9f67a20a8d071e84381cb2583a","first_computed_at":"2026-07-05T00:37:48.285615Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:37:48.285615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0mIwhg61b1yRABPQNn5uNAqeGV9YGrl7YoP3AVISAPYK2IiJGVle2efuaifkFNAqrTyLhy7iCnxnbYWaEUN1Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:37:48.286107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.02420","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd497b2bf27ac4f6cc779f4017e7a5b5f2cd86e27812cd96a483777dd9cdf8b1","sha256:bf339a66ea955a80012dc3039cb860f87c3ea531873d2a70a1ff6f2f289dbcd0"],"state_sha256":"ba0e00d78032599bdb98aacca85f60bf32ee842e18ac1455b039add4f435cfaa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H9WfE29lvP9+XjyHYh9chMc9qY69mM4wqagmkKiFP8/xiI2qOedO8Dvy8wCfRh5mzrxUO2tL+k8Kewnxy1ZkAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T04:12:45.304402Z","bundle_sha256":"1ce4c4b8fa9ddf963f9f923213d91bbd23acc77a4ae9187215fcd88d358ac735"}}