{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:XRW2DORROZAIPUO67G6HWUWJV3","short_pith_number":"pith:XRW2DORR","schema_version":"1.0","canonical_sha256":"bc6da1ba31764087d1def9bc7b52c9aecfc2c5a47a3478236e7319836b39a50f","source":{"kind":"arxiv","id":"hep-ph/9404270","version":2},"attestation_state":"computed","paper":{"title":"Measurement of the Spin-Dependent Structure Function $g_1(x)$ of the Proton","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"the SMC","submitted_at":"1994-04-15T08:56:12Z","abstract_excerpt":"We have measured the spin-dependent structure function $g_1^p$ of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003<x<0.7$ and $1\\,\\mbox{GeV}^2<Q^2<60\\,\\mbox{GeV}^2$. Its first moment, $\\int_0^1 g_1^p(x) dx $, is found to be $0.136 \\pm 0.011\\,(\\mbox{stat.})\\pm 0.011\\,(\\mbox{syst.})$ at $Q^2=10\\,\\mbox{GeV}^2$. This value is smaller than the prediction of the Ellis--Jaffe sum rule by two standard deviations, and is consistent with previous measurements. A combined analysis of all available proton, deuteron and neutron data confirms th"},"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":"hep-ph/9404270","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1994-04-15T08:56:12Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"3033b89b0d4bde12edfebf3e0e3fa217f51ff9636c638efb8610fb692d472256","abstract_canon_sha256":"b450fe33e98b74f93470770b039e8d765b46c3bfe96a458ec0e099f4d08468e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:19:36.340151Z","signature_b64":"kpe0DnphP9WfAwxIIGNMLBJrqQ3avk+CbRnelzK6z/Cz1x90GQDqi88syAtw0YaxWJ1DvjPcUTo9LeX7YsdgBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc6da1ba31764087d1def9bc7b52c9aecfc2c5a47a3478236e7319836b39a50f","last_reissued_at":"2026-07-04T17:19:36.339734Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:19:36.339734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of the Spin-Dependent Structure Function $g_1(x)$ of the Proton","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"the SMC","submitted_at":"1994-04-15T08:56:12Z","abstract_excerpt":"We have measured the spin-dependent structure function $g_1^p$ of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003<x<0.7$ and $1\\,\\mbox{GeV}^2<Q^2<60\\,\\mbox{GeV}^2$. Its first moment, $\\int_0^1 g_1^p(x) dx $, is found to be $0.136 \\pm 0.011\\,(\\mbox{stat.})\\pm 0.011\\,(\\mbox{syst.})$ at $Q^2=10\\,\\mbox{GeV}^2$. This value is smaller than the prediction of the Ellis--Jaffe sum rule by two standard deviations, and is consistent with previous measurements. A combined analysis of all available proton, deuteron and neutron data confirms th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9404270","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9404270/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"hep-ph/9404270","created_at":"2026-07-04T17:19:36.339799+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9404270v2","created_at":"2026-07-04T17:19:36.339799+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9404270","created_at":"2026-07-04T17:19:36.339799+00:00"},{"alias_kind":"pith_short_12","alias_value":"XRW2DORROZAI","created_at":"2026-07-04T17:19:36.339799+00:00"},{"alias_kind":"pith_short_16","alias_value":"XRW2DORROZAIPUO6","created_at":"2026-07-04T17:19:36.339799+00:00"},{"alias_kind":"pith_short_8","alias_value":"XRW2DORR","created_at":"2026-07-04T17:19:36.339799+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.04805","citing_title":"Probing Nucleon Spin Structure with a Polarized Gamma Beam from Compton Backscattering at FCC-ee","ref_index":4,"is_internal_anchor":true},{"citing_arxiv_id":"2606.06263","citing_title":"Spin-orbit correlation of quarks within quarkonium","ref_index":3,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3","json":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3.json","graph_json":"https://pith.science/api/pith-number/XRW2DORROZAIPUO67G6HWUWJV3/graph.json","events_json":"https://pith.science/api/pith-number/XRW2DORROZAIPUO67G6HWUWJV3/events.json","paper":"https://pith.science/paper/XRW2DORR"},"agent_actions":{"view_html":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3","download_json":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3.json","view_paper":"https://pith.science/paper/XRW2DORR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9404270&json=true","fetch_graph":"https://pith.science/api/pith-number/XRW2DORROZAIPUO67G6HWUWJV3/graph.json","fetch_events":"https://pith.science/api/pith-number/XRW2DORROZAIPUO67G6HWUWJV3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3/action/storage_attestation","attest_author":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3/action/author_attestation","sign_citation":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3/action/citation_signature","submit_replication":"https://pith.science/pith/XRW2DORROZAIPUO67G6HWUWJV3/action/replication_record"}},"created_at":"2026-07-04T17:19:36.339799+00:00","updated_at":"2026-07-04T17:19:36.339799+00:00"}