{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:T5HSW53RHZQF4N2STXQUOL7G63","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":"8b3360f53046872155443bb1ac5f619b4ffbf43f5c4ba6cea3668a4ef2583384","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-05-18T08:46:05Z","title_canon_sha256":"da4335f7f8d2370f93e0387dac33079533e4c68804bd50375a81a85348873bf1"},"schema_version":"1.0","source":{"id":"0905.2828","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.2828","created_at":"2026-05-18T02:34:53Z"},{"alias_kind":"arxiv_version","alias_value":"0905.2828v1","created_at":"2026-05-18T02:34:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.2828","created_at":"2026-05-18T02:34:53Z"},{"alias_kind":"pith_short_12","alias_value":"T5HSW53RHZQF","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"T5HSW53RHZQF4N2S","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"T5HSW53R","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:9725ac37595abc4f2fdda89d2cb05ed96fd999b4fe68a24159747c2eb88a35e7","target":"graph","created_at":"2026-05-18T02:34:53Z","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 LO evaluation of helicity densities of valence, \\Delta u_v+\\Delta d_v, non-strange sea, \\Delta\\bar{u}+\\Delta\\bar{d}, and strange quarks, \\Delta s (assumed to be equal to \\Delta\\bar{s}). They have been obtained from the inclusive asymmetry A_{3,d} and the semi-inclusive asymmetries A^{\\pi+}_{1,d}, A^{\\pi-}_{1,d}, A^{K+}_{1,d}, A^{K-}_{1,d} measured in polarised deep inelastic muon-deuteron scattering. The full deuteron statistics of COMPASS (years 2002-2004 and 2006) has been used. The data cover the range Q^2 > 1 (GeV/c)^2 and 0.004<x<0.3. Both non-strange densities are found to b","authors_text":"COMPASS Collaboration: M. Alekseev, et al","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-05-18T08:46:05Z","title":"Flavour Separation of Helicity Distributions from Deep Inelastic Muon-Deuteron Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.2828","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":"sha256:7e9d33c973b62fb2121dd7d1110fe010e577445317c96f68ffa15800c24b57cb","target":"record","created_at":"2026-05-18T02:34:53Z","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":"8b3360f53046872155443bb1ac5f619b4ffbf43f5c4ba6cea3668a4ef2583384","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-05-18T08:46:05Z","title_canon_sha256":"da4335f7f8d2370f93e0387dac33079533e4c68804bd50375a81a85348873bf1"},"schema_version":"1.0","source":{"id":"0905.2828","kind":"arxiv","version":1}},"canonical_sha256":"9f4f2b77713e605e37529de1472fe6f6ef5743a71e0a9bec46307e0a5db8f689","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f4f2b77713e605e37529de1472fe6f6ef5743a71e0a9bec46307e0a5db8f689","first_computed_at":"2026-05-18T02:34:53.083121Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:53.083121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LkpbJVBEBnzp2CYstMyPCTRn/rf2joA9soXFLIdxWQZZO9W5D+pm/oillcJm4AanJmAKP1F3DYQZgp+yJuyfCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:53.083509Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.2828","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e9d33c973b62fb2121dd7d1110fe010e577445317c96f68ffa15800c24b57cb","sha256:9725ac37595abc4f2fdda89d2cb05ed96fd999b4fe68a24159747c2eb88a35e7"],"state_sha256":"5d1ca7c33ed1eca3647a361d88f277ab5364b1ed2899ec139205aedab1dd68e1"}