{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DB3RE22QWU2JVZ35AC4DTQUHPD","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":"6c08e0f305ad0ff5caab67429493a11c144cd635fc636a89e9d382de346db5ce","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-01-15T19:50:17Z","title_canon_sha256":"c6b74cdeb3418d307c44901250af4ff6abfc7ce20f3ebf4d8936a7f7f38a9383"},"schema_version":"1.0","source":{"id":"2401.07933","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07933","created_at":"2026-07-05T08:34:59Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07933v2","created_at":"2026-07-05T08:34:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07933","created_at":"2026-07-05T08:34:59Z"},{"alias_kind":"pith_short_12","alias_value":"DB3RE22QWU2J","created_at":"2026-07-05T08:34:59Z"},{"alias_kind":"pith_short_16","alias_value":"DB3RE22QWU2JVZ35","created_at":"2026-07-05T08:34:59Z"},{"alias_kind":"pith_short_8","alias_value":"DB3RE22Q","created_at":"2026-07-05T08:34:59Z"}],"graph_snapshots":[{"event_id":"sha256:7b6aa580166261c96aff53e16626af8d10f1760c69cd1081b65dce8ce1695715","target":"graph","created_at":"2026-07-05T08:34:59Z","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/2401.07933/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the structure of ground-state heavy mesons within the light-front quark model, utilizing wave functions derived from the Single Gaussian Ansatz (SGA) and the Gaussian Expansion Method (GEM). By performing a $\\chi^2$ fit to static properties such as mass spectra and decay constants, we determine the model parameters for each approach. We then compare the impacts of both methods on the light-front wave functions and structural observables. Our analysis reveals significant differences in the distribution amplitudes (DAs) $\\phi_{2;M}(x)$ near the endpoints, with GEM showing enhanced","authors_text":"Ahmad Jafar Arifi, Lucas Happ, Makoto Oka, Shuhei Ohno","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-01-15T19:50:17Z","title":"Structure of Heavy Mesons in the Light-Front Quark Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07933","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":"sha256:6a58b1a1f1ce35435124a5de6854f9c420ee802fc965c50022f1cf92dffb71be","target":"record","created_at":"2026-07-05T08:34:59Z","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":"6c08e0f305ad0ff5caab67429493a11c144cd635fc636a89e9d382de346db5ce","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-01-15T19:50:17Z","title_canon_sha256":"c6b74cdeb3418d307c44901250af4ff6abfc7ce20f3ebf4d8936a7f7f38a9383"},"schema_version":"1.0","source":{"id":"2401.07933","kind":"arxiv","version":2}},"canonical_sha256":"1877126b50b5349ae77d00b839c28778fc12186a27f7a585f2f74dbdfdea1f27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1877126b50b5349ae77d00b839c28778fc12186a27f7a585f2f74dbdfdea1f27","first_computed_at":"2026-07-05T08:34:59.434430Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:34:59.434430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4KGxPVURg0uNx+J6VRxjfSx/ON+szDn8XJLvZ1bKCSeFa0EP+X15jSPtprlY1D4AcEPBgB0CwOnnJTBz2vC0Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:34:59.434848Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.07933","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a58b1a1f1ce35435124a5de6854f9c420ee802fc965c50022f1cf92dffb71be","sha256:7b6aa580166261c96aff53e16626af8d10f1760c69cd1081b65dce8ce1695715"],"state_sha256":"5a03902a0b5e371a7a680be182784fb18e9ff5e4449167ddf678de9193b4dfad"}