{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:CJLD6COE4XOQYW5IIC4RBAUTT6","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":"d61ac6cc6708427261ca94110f2476603d29c1013c4efd3826b175f150e84b28","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-11-07T17:46:47Z","title_canon_sha256":"96ee403ee3a3eb251a68c7b36fc450e46bf9498e132c089dbeb442d3f72f5c12"},"schema_version":"1.0","source":{"id":"0811.1191","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.1191","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"arxiv_version","alias_value":"0811.1191v2","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.1191","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_12","alias_value":"CJLD6COE4XOQ","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_16","alias_value":"CJLD6COE4XOQYW5I","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_8","alias_value":"CJLD6COE","created_at":"2026-07-04T15:41:34Z"}],"graph_snapshots":[{"event_id":"sha256:395dac14517ab1ba4535fddf8e9246f9026e2e3f59e17aba2694f3a315681632","target":"graph","created_at":"2026-07-04T15:41:34Z","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/0811.1191/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is shown that, at variance with previous analyses, the MIT bag model can explain the available data of the Sivers function and satisfies the Burkardt Sum Rule to a few percent accuracy. The agreement is similar to the one recently found in the constituent quark model. Therefore, these two model calculations of the Sivers function are in agreement with the present experimental and theoretical wisdom.","authors_text":"A. Courtoy, S. Scopetta, V. Vento","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-11-07T17:46:47Z","title":"Model calculations of the Sivers function satisfying the Burkardt Sum Rule"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.1191","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":"sha256:2f35a6075e5a0fdffbc523349449bf07dc8bb0c8ed938b3a73d81ed03905daa5","target":"record","created_at":"2026-07-04T15:41:34Z","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":"d61ac6cc6708427261ca94110f2476603d29c1013c4efd3826b175f150e84b28","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-11-07T17:46:47Z","title_canon_sha256":"96ee403ee3a3eb251a68c7b36fc450e46bf9498e132c089dbeb442d3f72f5c12"},"schema_version":"1.0","source":{"id":"0811.1191","kind":"arxiv","version":2}},"canonical_sha256":"12563f09c4e5dd0c5ba840b91082939f97990aaa7aefcbbe458bacb0608c2e05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12563f09c4e5dd0c5ba840b91082939f97990aaa7aefcbbe458bacb0608c2e05","first_computed_at":"2026-07-04T15:41:34.226696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:41:34.226696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mabOuwhfo5Cd8ghO43KoRCWqS+at2q+FfABkhA+nCHnsoGQxB3QbBb/hCpeBDmlSc0XnOmPMrrNdQHo9USZLBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:41:34.227050Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.1191","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f35a6075e5a0fdffbc523349449bf07dc8bb0c8ed938b3a73d81ed03905daa5","sha256:395dac14517ab1ba4535fddf8e9246f9026e2e3f59e17aba2694f3a315681632"],"state_sha256":"88b4689c5309d9b1f2949245d9ca2a5f991b8fdab934d0661e778c44d8091f07"}