{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MTWBGRWWMJGTZYGX7FB24XS3VL","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":"648cb8392b439b376267a880d3a1ff79cc192f567b02e27b2432b29da9b3bdc8","cross_cats_sorted":["physics.comp-ph","physics.data-an"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2017-02-22T10:25:07Z","title_canon_sha256":"b592fa36f0a186c062ff1f78a0b3d8f3c1a9a559a51eee15b32236779dbb0ed1"},"schema_version":"1.0","source":{"id":"1702.06735","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.06735","created_at":"2026-05-18T00:28:56Z"},{"alias_kind":"arxiv_version","alias_value":"1702.06735v1","created_at":"2026-05-18T00:28:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.06735","created_at":"2026-05-18T00:28:56Z"},{"alias_kind":"pith_short_12","alias_value":"MTWBGRWWMJGT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MTWBGRWWMJGTZYGX","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MTWBGRWW","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:cab38323c7a0a4d4428480a705233404c619a1255a915eee8568bcf3e66f83a5","target":"graph","created_at":"2026-05-18T00:28:56Z","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":"The GooFit Framework is designed to perform maximum-likelihood fits for arbitrary functions on various parallel back ends, for example a GPU. We present an extension to GooFit which adds the functionality to perform time-dependent amplitude analyses of pseudoscalar mesons decaying into four pseudoscalar final states. Benchmarks of this functionality show a significant performance increase when utilizing a GPU compared to a CPU. Furthermore, this extension is employed to study the sensitivity on the $D^0 - \\bar{D}^0$ mixing parameters $x$ and $y$ in a time-dependent amplitude analysis of the de","authors_text":"A. A. Alves Jr., C. Hasse, J. Albrecht, J. Rademacker, M. D. Sokoloff, P. d'Argent, T. D. Evans","cross_cats":["physics.comp-ph","physics.data-an"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2017-02-22T10:25:07Z","title":"Amplitude analysis of four-body decays using a massively-parallel fitting framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.06735","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:fad78b6d25edd6aa356de8c2d91bb6b7ffa45dd198db8863e85a94a6c18be934","target":"record","created_at":"2026-05-18T00:28:56Z","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":"648cb8392b439b376267a880d3a1ff79cc192f567b02e27b2432b29da9b3bdc8","cross_cats_sorted":["physics.comp-ph","physics.data-an"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2017-02-22T10:25:07Z","title_canon_sha256":"b592fa36f0a186c062ff1f78a0b3d8f3c1a9a559a51eee15b32236779dbb0ed1"},"schema_version":"1.0","source":{"id":"1702.06735","kind":"arxiv","version":1}},"canonical_sha256":"64ec1346d6624d3ce0d7f943ae5e5baae2a130e2d5628e222f5d312d04dcd514","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64ec1346d6624d3ce0d7f943ae5e5baae2a130e2d5628e222f5d312d04dcd514","first_computed_at":"2026-05-18T00:28:56.351942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:56.351942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jLmPLEzSYCQ2eA6z0WPNXn4BSmC0oKyngYCx/W09lXTLwbMDpCZNI1bQSIBpWhZVvEbO/ydFiZ0POQwnnHqBDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:56.352503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.06735","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fad78b6d25edd6aa356de8c2d91bb6b7ffa45dd198db8863e85a94a6c18be934","sha256:cab38323c7a0a4d4428480a705233404c619a1255a915eee8568bcf3e66f83a5"],"state_sha256":"036e50a3101832b5b9e532b609be2ccedccd78914629d09427dca8a599b8c9b5"}