{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7W6ZWN4YWKVTYEMLLZHBL22XNR","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":"e2d7121df847fb3af78697099c6068ccaecbadeb10ab4c483e9eaa17a3f92ba9","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-10-27T18:02:53Z","title_canon_sha256":"39c90838b2b3ae42b945e7c9374dffcf88a04bfc9fb626008476789ef7c743d8"},"schema_version":"1.0","source":{"id":"1510.08013","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08013","created_at":"2026-05-18T01:15:06Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08013v2","created_at":"2026-05-18T01:15:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08013","created_at":"2026-05-18T01:15:06Z"},{"alias_kind":"pith_short_12","alias_value":"7W6ZWN4YWKVT","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7W6ZWN4YWKVTYEML","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7W6ZWN4Y","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:c9009dc591a96f8a34d702ef519218493b8765303fc22fcd13c9867b1522fae7","target":"graph","created_at":"2026-05-18T01:15:06Z","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":"We present a QCD calculation of the $u$, $d$ and $s$ scalar quark contents of nucleons based on $47$ lattice ensembles with $N_f = 2+1$ dynamical sea quarks, $5$ lattice spacings down to $0.054\\,\\text{fm}$, lattice sizes up to $6\\,\\text{fm}$ and pion masses down to $120\\,\\text{MeV}$. Using the Feynman-Hellmann theorem, we obtain $f^N_{ud} = 0.0405(40)(35)$ and $f^N_s = 0.113(45)(40)$, which translates into $\\sigma_{\\pi N}=38(3)(3)\\,\\text{MeV}$, $\\sigma_{sN}=105(41)(37)\\,\\text{MeV}$ and $y_N=0.20(8)(8)$ for the sigma terms and the related ratio, where the first errors are statistical and the se","authors_text":"A. Portelli, B. C. Toth, C. Hoelbling, C. Torrero, K. K. Szabo, L. Lellouch, L. Varnhorst, S. D. Katz, S. Durr, S. Krieg, T. Lippert, T. Metivet, Z. Fodor","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-10-27T18:02:53Z","title":"Lattice computation of the nucleon scalar quark contents at the physical point"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08013","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:a83e32aea982f85262d6e74d03037cdbdb8108f64f86960ca270eff954f2d84e","target":"record","created_at":"2026-05-18T01:15:06Z","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":"e2d7121df847fb3af78697099c6068ccaecbadeb10ab4c483e9eaa17a3f92ba9","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-10-27T18:02:53Z","title_canon_sha256":"39c90838b2b3ae42b945e7c9374dffcf88a04bfc9fb626008476789ef7c743d8"},"schema_version":"1.0","source":{"id":"1510.08013","kind":"arxiv","version":2}},"canonical_sha256":"fdbd9b3798b2ab3c118b5e4e15eb576c664ea4fa6d7a0e852225af3565d3ef70","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fdbd9b3798b2ab3c118b5e4e15eb576c664ea4fa6d7a0e852225af3565d3ef70","first_computed_at":"2026-05-18T01:15:06.620576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:06.620576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pMPBTZLUfpbYrWqGNKMqV0jSJ67O01h0uzRHCTBm6lx+hgrdF0dIraHkFO+t07sj0j2enkbbVsL4OQyR3FPSDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:06.621210Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.08013","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a83e32aea982f85262d6e74d03037cdbdb8108f64f86960ca270eff954f2d84e","sha256:c9009dc591a96f8a34d702ef519218493b8765303fc22fcd13c9867b1522fae7"],"state_sha256":"4a8da2e58271a87dc8b0419b4ad9bc2a5c46172604e2512c14958810a1bc30b1"}