{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XIT6G5F3F7HVSKZDNAKYKGOKCD","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":"97a7e8f8f7bb2b80ccb24304cc8d30b2f2d9d62fd6b7998471976c3dbfaa1ff7","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2022-01-17T16:09:49Z","title_canon_sha256":"3aaa8362ce1a64e0648df8a925f18ddf7e84200ddada78be79b0345d4f86774c"},"schema_version":"1.0","source":{"id":"2201.06495","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.06495","created_at":"2026-07-05T04:18:06Z"},{"alias_kind":"arxiv_version","alias_value":"2201.06495v4","created_at":"2026-07-05T04:18:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.06495","created_at":"2026-07-05T04:18:06Z"},{"alias_kind":"pith_short_12","alias_value":"XIT6G5F3F7HV","created_at":"2026-07-05T04:18:06Z"},{"alias_kind":"pith_short_16","alias_value":"XIT6G5F3F7HVSKZD","created_at":"2026-07-05T04:18:06Z"},{"alias_kind":"pith_short_8","alias_value":"XIT6G5F3","created_at":"2026-07-05T04:18:06Z"}],"graph_snapshots":[{"event_id":"sha256:0cec96eba9171304e1f533e81bbc0ac5aa10a3c417cedd750720b35fef5f2dad","target":"graph","created_at":"2026-07-05T04:18:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2201.06495/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phenomenological amplitudes obtained in partial-wave analyses (PWA) of single-pion photoproduction are used to evaluate the contribution of this process to the Gerasimov-Drell-Hearn (GDH), Baldin and Gell-Mann-Goldberger-Thirring (GGT) sum rules, by integrating up to 2 GeV in photon energy. Our study confirms that the single-pion contribution to all these sum rules converges even before the highest considered photon energy, but the levels of saturation are very different in the three cases. Single-pion production almost saturates the GDH sum rule for the proton, while a large fraction is missi","authors_text":"Alexandre Deur (JLab), Axel Schmidt (GWU), Igor Strakovsky (GWU), Ron L. Workman (GWU), Simon \\v{S}irca (University of Ljubljana), William J. Briscoe (GWU)","cross_cats":["hep-ex","hep-ph","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2022-01-17T16:09:49Z","title":"Single-pion contribution to the Gerasimov--Drell--Hearn sum rule and related integrals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.06495","kind":"arxiv","version":4},"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:b41d3694ce4fda15c63b174d7e8c8f65dc8f928b53396c2fff996047aaa558ef","target":"record","created_at":"2026-07-05T04:18:06Z","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":"97a7e8f8f7bb2b80ccb24304cc8d30b2f2d9d62fd6b7998471976c3dbfaa1ff7","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2022-01-17T16:09:49Z","title_canon_sha256":"3aaa8362ce1a64e0648df8a925f18ddf7e84200ddada78be79b0345d4f86774c"},"schema_version":"1.0","source":{"id":"2201.06495","kind":"arxiv","version":4}},"canonical_sha256":"ba27e374bb2fcf592b2368158519ca10ed213d5946fd4e5ebbc73c86d2b2de09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba27e374bb2fcf592b2368158519ca10ed213d5946fd4e5ebbc73c86d2b2de09","first_computed_at":"2026-07-05T04:18:06.681296Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:18:06.681296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kUCYqjwwuJyO+KXUYmU3IPyrDGmlQ9LACqJWyX8jxYF5sl9Ya1ntqVegGUhjXnmYutN1V9dQS/9kZnYlzg45DA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:18:06.681749Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.06495","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b41d3694ce4fda15c63b174d7e8c8f65dc8f928b53396c2fff996047aaa558ef","sha256:0cec96eba9171304e1f533e81bbc0ac5aa10a3c417cedd750720b35fef5f2dad"],"state_sha256":"157937552605629144bb5c3aef136789ee4d34a735b3399fc053b8c85f3fe64d"}