{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:ZT2QUOBEMJBRL2FCLKQORRFWHR","short_pith_number":"pith:ZT2QUOBE","schema_version":"1.0","canonical_sha256":"ccf50a3824624315e8a25aa0e8c4b63c6de6bf14def61766cd66cf5c4dd9943b","source":{"kind":"arxiv","id":"1402.6089","version":2},"attestation_state":"computed","paper":{"title":"A hierarchical model for simultaneous detection and estimation in multi-subject fMRI Studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"David Degras, Martin A. Lindquist","submitted_at":"2014-02-25T08:35:14Z","abstract_excerpt":"In this paper we introduce a new hierarchical model for the simultaneous detection of brain activation and estimation of the shape of the hemodynamic response in multi-subject fMRI studies. The proposed approach circumvents a major stumbling block in standard multi-subject fMRI data analysis, in that it both allows the shape of the hemodynamic response function to vary across region and subjects, while still providing a straightforward way to estimate population-level activation. An efficient estimation algorithm is presented, as is an inferential framework that not only allows for tests of ac"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1402.6089","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-02-25T08:35:14Z","cross_cats_sorted":["stat.ME"],"title_canon_sha256":"e71f6a3a531f318a09b0ea36621f4d1f3ccffa22aaabdaa81674ac68ce3fca66","abstract_canon_sha256":"88d0508ebfc626b47aa81f3a076374d44b50acaf7051c8fe79cc8ccab0fa29e6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:08.243386Z","signature_b64":"n31T3O33jX/ujC8ocrTkzxqF4ZQ+d898+SUWSJkc4sNH/iFIyz5CjoMFMhqQfx+CKbj8Ka0SDeABdoFTC6MfBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccf50a3824624315e8a25aa0e8c4b63c6de6bf14def61766cd66cf5c4dd9943b","last_reissued_at":"2026-05-18T01:27:08.242680Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:08.242680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A hierarchical model for simultaneous detection and estimation in multi-subject fMRI Studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"David Degras, Martin A. Lindquist","submitted_at":"2014-02-25T08:35:14Z","abstract_excerpt":"In this paper we introduce a new hierarchical model for the simultaneous detection of brain activation and estimation of the shape of the hemodynamic response in multi-subject fMRI studies. The proposed approach circumvents a major stumbling block in standard multi-subject fMRI data analysis, in that it both allows the shape of the hemodynamic response function to vary across region and subjects, while still providing a straightforward way to estimate population-level activation. An efficient estimation algorithm is presented, as is an inferential framework that not only allows for tests of ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6089","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1402.6089","created_at":"2026-05-18T01:27:08.242795+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.6089v2","created_at":"2026-05-18T01:27:08.242795+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6089","created_at":"2026-05-18T01:27:08.242795+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZT2QUOBEMJBR","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZT2QUOBEMJBRL2FC","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZT2QUOBE","created_at":"2026-05-18T12:28:59.999130+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR","json":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR.json","graph_json":"https://pith.science/api/pith-number/ZT2QUOBEMJBRL2FCLKQORRFWHR/graph.json","events_json":"https://pith.science/api/pith-number/ZT2QUOBEMJBRL2FCLKQORRFWHR/events.json","paper":"https://pith.science/paper/ZT2QUOBE"},"agent_actions":{"view_html":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR","download_json":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR.json","view_paper":"https://pith.science/paper/ZT2QUOBE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.6089&json=true","fetch_graph":"https://pith.science/api/pith-number/ZT2QUOBEMJBRL2FCLKQORRFWHR/graph.json","fetch_events":"https://pith.science/api/pith-number/ZT2QUOBEMJBRL2FCLKQORRFWHR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR/action/storage_attestation","attest_author":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR/action/author_attestation","sign_citation":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR/action/citation_signature","submit_replication":"https://pith.science/pith/ZT2QUOBEMJBRL2FCLKQORRFWHR/action/replication_record"}},"created_at":"2026-05-18T01:27:08.242795+00:00","updated_at":"2026-05-18T01:27:08.242795+00:00"}