{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VIGFTNYAFUNCESU5RPDPGSQDJ3","short_pith_number":"pith:VIGFTNYA","canonical_record":{"source":{"id":"1807.04745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-07-12T17:53:57Z","cross_cats_sorted":[],"title_canon_sha256":"377a49d7fe327a7220bd2dec73f38de0c2209b13f5b2a4b0a4df5d760128d30b","abstract_canon_sha256":"a5a35872bbaffa7876040b39f335fb54b9c0c93b7d41828b4cd91f9a4a3a2feb"},"schema_version":"1.0"},"canonical_sha256":"aa0c59b7002d1a224a9d8bc6f34a034ec687e535af4d16d0ae8dfdb0734d6f0a","source":{"kind":"arxiv","id":"1807.04745","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04745","created_at":"2026-05-18T00:10:52Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04745v1","created_at":"2026-05-18T00:10:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04745","created_at":"2026-05-18T00:10:52Z"},{"alias_kind":"pith_short_12","alias_value":"VIGFTNYAFUNC","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VIGFTNYAFUNCESU5","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VIGFTNYA","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VIGFTNYAFUNCESU5RPDPGSQDJ3","target":"record","payload":{"canonical_record":{"source":{"id":"1807.04745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-07-12T17:53:57Z","cross_cats_sorted":[],"title_canon_sha256":"377a49d7fe327a7220bd2dec73f38de0c2209b13f5b2a4b0a4df5d760128d30b","abstract_canon_sha256":"a5a35872bbaffa7876040b39f335fb54b9c0c93b7d41828b4cd91f9a4a3a2feb"},"schema_version":"1.0"},"canonical_sha256":"aa0c59b7002d1a224a9d8bc6f34a034ec687e535af4d16d0ae8dfdb0734d6f0a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:52.630156Z","signature_b64":"kbKlwINFWureZPsj9B553cAhoCioILR7CKM49PWUIkOj3IkNnMUJd+gwI0ZXvi5kTgQ3mVB+ZvVKGhhr4nJRCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa0c59b7002d1a224a9d8bc6f34a034ec687e535af4d16d0ae8dfdb0734d6f0a","last_reissued_at":"2026-05-18T00:10:52.629275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:52.629275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.04745","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":"2026-05-18T00:10:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IE/kwMwQT/7vvyvYrGlYevlmKmx1TZve2oL1w7FLAI5OawckrQlDYCSuKm11nq3O2geFmUZSsdEkQICgnLQvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T05:08:11.594435Z"},"content_sha256":"4ed81a13afd335ffa7220f762b548f4c54948354bda0f43535e014d4768c25f4","schema_version":"1.0","event_id":"sha256:4ed81a13afd335ffa7220f762b548f4c54948354bda0f43535e014d4768c25f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VIGFTNYAFUNCESU5RPDPGSQDJ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting Task and Subject Differences with Functional Connectivity and BOLD Variability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Brandon Turner, Garren Gaut, Mark Steyvers, William A. Cunningham, Xiangrui Li, Zhong-Lin Lu","submitted_at":"2018-07-12T17:53:57Z","abstract_excerpt":"Previous research has found that functional connectivity (FC) can accurately predict the identity of a subject performing a task and the type of task being performed. We replicate these results using a large dataset collected at the OSU Center for Cognitive and Behavioral Brain Imaging. We also introduce a novel perspective on task and subject identity prediction: BOLD Variability (BV). Conceptually, BV is a region-specific measure based on the variance within each brain region. BV is simple to compute, interpret, and visualize. We show that both FC and BV are predictive of task and subject, e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04745","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":"2026-05-18T00:10:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VdaO0p3JzILJ9fXOszBXSdysg9d/vqX9zz3GHQ0M1Bihs+8OhvM1GdIiV4s8LrRtfCRbAf7MbZ8/HVCmld1CCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T05:08:11.594823Z"},"content_sha256":"c997c8c4991e025822e5198e5e33afb3a72d1e593f111d3a1cab11896c6cc12a","schema_version":"1.0","event_id":"sha256:c997c8c4991e025822e5198e5e33afb3a72d1e593f111d3a1cab11896c6cc12a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3/bundle.json","state_url":"https://pith.science/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3/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":"2026-06-30T05:08:11Z","links":{"resolver":"https://pith.science/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3","bundle":"https://pith.science/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3/bundle.json","state":"https://pith.science/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VIGFTNYAFUNCESU5RPDPGSQDJ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VIGFTNYAFUNCESU5RPDPGSQDJ3","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":"a5a35872bbaffa7876040b39f335fb54b9c0c93b7d41828b4cd91f9a4a3a2feb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-07-12T17:53:57Z","title_canon_sha256":"377a49d7fe327a7220bd2dec73f38de0c2209b13f5b2a4b0a4df5d760128d30b"},"schema_version":"1.0","source":{"id":"1807.04745","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04745","created_at":"2026-05-18T00:10:52Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04745v1","created_at":"2026-05-18T00:10:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04745","created_at":"2026-05-18T00:10:52Z"},{"alias_kind":"pith_short_12","alias_value":"VIGFTNYAFUNC","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VIGFTNYAFUNCESU5","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VIGFTNYA","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:c997c8c4991e025822e5198e5e33afb3a72d1e593f111d3a1cab11896c6cc12a","target":"graph","created_at":"2026-05-18T00:10:52Z","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":"Previous research has found that functional connectivity (FC) can accurately predict the identity of a subject performing a task and the type of task being performed. We replicate these results using a large dataset collected at the OSU Center for Cognitive and Behavioral Brain Imaging. We also introduce a novel perspective on task and subject identity prediction: BOLD Variability (BV). Conceptually, BV is a region-specific measure based on the variance within each brain region. BV is simple to compute, interpret, and visualize. We show that both FC and BV are predictive of task and subject, e","authors_text":"Brandon Turner, Garren Gaut, Mark Steyvers, William A. Cunningham, Xiangrui Li, Zhong-Lin Lu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-07-12T17:53:57Z","title":"Predicting Task and Subject Differences with Functional Connectivity and BOLD Variability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04745","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":"sha256:4ed81a13afd335ffa7220f762b548f4c54948354bda0f43535e014d4768c25f4","target":"record","created_at":"2026-05-18T00:10:52Z","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":"a5a35872bbaffa7876040b39f335fb54b9c0c93b7d41828b4cd91f9a4a3a2feb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-07-12T17:53:57Z","title_canon_sha256":"377a49d7fe327a7220bd2dec73f38de0c2209b13f5b2a4b0a4df5d760128d30b"},"schema_version":"1.0","source":{"id":"1807.04745","kind":"arxiv","version":1}},"canonical_sha256":"aa0c59b7002d1a224a9d8bc6f34a034ec687e535af4d16d0ae8dfdb0734d6f0a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa0c59b7002d1a224a9d8bc6f34a034ec687e535af4d16d0ae8dfdb0734d6f0a","first_computed_at":"2026-05-18T00:10:52.629275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:52.629275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kbKlwINFWureZPsj9B553cAhoCioILR7CKM49PWUIkOj3IkNnMUJd+gwI0ZXvi5kTgQ3mVB+ZvVKGhhr4nJRCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:52.630156Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.04745","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ed81a13afd335ffa7220f762b548f4c54948354bda0f43535e014d4768c25f4","sha256:c997c8c4991e025822e5198e5e33afb3a72d1e593f111d3a1cab11896c6cc12a"],"state_sha256":"cd3d78016197c6b097ad69724d1d5b26423b5cac28ddd08ba45347b5cd29c460"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TA+CNJ8UVYJAMqiSzIS8e/6Zjk9/Pe9UhqOYwS5N2jsCB7WUQb5jIlt0zN/AJAOD3mgF1bbQEAwPUBfQoKJ2Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T05:08:11.597098Z","bundle_sha256":"85207e7484d36747e45e20071858820d3dbad59188d8973b75c941ed04971952"}}