{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:G7SKMHCODYPD7QLYXBTRBQFA2B","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":"3d22e09fff698f1ad278d937e17553308d523df74c008e43bda4efbf4a2b13c6","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-12T14:36:42Z","title_canon_sha256":"ecfb75a3d78097db23ff40ea7bf75b4d093d9db516b57e4e0c43d031a780216e"},"schema_version":"1.0","source":{"id":"1007.1913","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.1913","created_at":"2026-05-18T04:27:35Z"},{"alias_kind":"arxiv_version","alias_value":"1007.1913v2","created_at":"2026-05-18T04:27:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.1913","created_at":"2026-05-18T04:27:35Z"},{"alias_kind":"pith_short_12","alias_value":"G7SKMHCODYPD","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"G7SKMHCODYPD7QLY","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"G7SKMHCO","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:cd783c90e0bd8b4c475cafa4b7a6f3abadf4e0e0db6fd92c8beddfdf5e3adc62","target":"graph","created_at":"2026-05-18T04:27:35Z","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":"Saturation of small-x gluons in a nucleus, which has the form of transverse momentum broadening of projectile gluons in pA collisions in the nuclear rest frame, leads to a modification of the parton distribution functions in the beam compared with pp collisions. The DGLAP driven gluon distribution turns out to be suppressed at large x, but significantly enhanced at x<<1. This is a high twist effect. In the case of nucleus-nucleus collisions all participating nucleons on both sides get enriched in gluon density at small x, which leads to a further boosting of the saturation scale. We derive rec","authors_text":"B. Z. Kopeliovich, H. J. Pirner, I. K. Potashnikova, Ivan Schmidt","cross_cats":["nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-12T14:36:42Z","title":"Mutual boosting of the saturation scales in colliding nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.1913","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":"sha256:4fa877b738ac6a281c56379c084c390672e247e76e9ceb138b414118e2ec21b3","target":"record","created_at":"2026-05-18T04:27:35Z","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":"3d22e09fff698f1ad278d937e17553308d523df74c008e43bda4efbf4a2b13c6","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-12T14:36:42Z","title_canon_sha256":"ecfb75a3d78097db23ff40ea7bf75b4d093d9db516b57e4e0c43d031a780216e"},"schema_version":"1.0","source":{"id":"1007.1913","kind":"arxiv","version":2}},"canonical_sha256":"37e4a61c4e1e1e3fc178b86710c0a0d046bbdda65ad0d576ff861fb6c6976657","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37e4a61c4e1e1e3fc178b86710c0a0d046bbdda65ad0d576ff861fb6c6976657","first_computed_at":"2026-05-18T04:27:35.926722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:27:35.926722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y5sUyBw3+rXGhLoL/BXDb1it5LcP459dJwOaQ0AqHMStlIP6YoT9uUcdLovNorD/Pu8sEIfw78uGobxjh8gVDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:27:35.927577Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.1913","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fa877b738ac6a281c56379c084c390672e247e76e9ceb138b414118e2ec21b3","sha256:cd783c90e0bd8b4c475cafa4b7a6f3abadf4e0e0db6fd92c8beddfdf5e3adc62"],"state_sha256":"3282263a3aa92238fb7c7ea6fa85f5793ba33f54893249ecd737ac719569cf66"}