{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:IXFNZCF5J35OO4J7ZIHCSZPF2G","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":"03f35f9a6af74334ff8faf2652ad11188e6734e7ca0318f323db54ce1ac97683","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-30T18:48:07Z","title_canon_sha256":"568a77de03fffcaa24f729d8ff19f68abe852445c1adc1f61614f329dcb87741"},"schema_version":"1.0","source":{"id":"hep-ph/0304301","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0304301","created_at":"2026-05-18T02:36:30Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0304301v1","created_at":"2026-05-18T02:36:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0304301","created_at":"2026-05-18T02:36:30Z"},{"alias_kind":"pith_short_12","alias_value":"IXFNZCF5J35O","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"IXFNZCF5J35OO4J7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"IXFNZCF5","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:df96b1c3bf62e1b215e242cc745e646d14df512f8608b864855221fb8fb9e4d5","target":"graph","created_at":"2026-05-18T02:36:30Z","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 argue that study of the cross section of coherent photo(electro) production of vector mesons off nuclear targets provides an effective method to probe the leading twist hard QCD regimes of color transparency and perturbative color opacity as well as the onset of black body limit (BBL) in the soft and hard QCD interactions. In the case of intermediate energies we use the Generalized Vector Dominance Model to take into account coherence effects for two distinctive limits - the soft interactions for production of $\\rho$ and $\\rho'$-mesons and the color transparency regime for production of cha","authors_text":"L. Frankfurt (Tel Aviv U.), M. Strikman (Penn State U.), M.Zhalov (Petersburg Nuclear Physics Inst.)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-04-30T18:48:07Z","title":"Coherent Photoproduction from Nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0304301","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:d68008999cf995849ca3141aedc027a256579771c161bf4af7704a4f41107332","target":"record","created_at":"2026-05-18T02:36:30Z","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":"03f35f9a6af74334ff8faf2652ad11188e6734e7ca0318f323db54ce1ac97683","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-30T18:48:07Z","title_canon_sha256":"568a77de03fffcaa24f729d8ff19f68abe852445c1adc1f61614f329dcb87741"},"schema_version":"1.0","source":{"id":"hep-ph/0304301","kind":"arxiv","version":1}},"canonical_sha256":"45cadc88bd4efae7713fca0e2965e5d1b4b7544958180ad68e34d67f7862884d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45cadc88bd4efae7713fca0e2965e5d1b4b7544958180ad68e34d67f7862884d","first_computed_at":"2026-05-18T02:36:30.910169Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:30.910169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6eY0IXY7/5dgLm6x0gzTQcAIg+O3YOOfaEp/aJaOwp8xnAOzJnUsX2Y3KqqqbbuIsIaj7tGVX2cz6W/LWN/MAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:30.910692Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0304301","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d68008999cf995849ca3141aedc027a256579771c161bf4af7704a4f41107332","sha256:df96b1c3bf62e1b215e242cc745e646d14df512f8608b864855221fb8fb9e4d5"],"state_sha256":"02bb675fc21866eb32838be7733c00d16cf4e95196777a7239df0b44095acbc9"}