{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:CGGQKTOQVJDRYSQDU45LSKTHOE","short_pith_number":"pith:CGGQKTOQ","canonical_record":{"source":{"id":"hep-ph/9709376","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-09-17T14:11:45Z","cross_cats_sorted":[],"title_canon_sha256":"cdac7cfd497f1fa1d08b8fad96df93cf7dc8dd6bb7543579d8dca980cb30d075","abstract_canon_sha256":"fda29da36b89a35fcbe42b2e4e538295d6f93e3bca00ae6e400c1311d7e9110a"},"schema_version":"1.0"},"canonical_sha256":"118d054dd0aa471c4a03a73ab92a6771196487fe0457829e02c0eb600fb1cfe4","source":{"kind":"arxiv","id":"hep-ph/9709376","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9709376","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9709376v1","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9709376","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"pith_short_12","alias_value":"CGGQKTOQVJDR","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"CGGQKTOQVJDRYSQD","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"CGGQKTOQ","created_at":"2026-07-04T15:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:CGGQKTOQVJDRYSQDU45LSKTHOE","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9709376","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-09-17T14:11:45Z","cross_cats_sorted":[],"title_canon_sha256":"cdac7cfd497f1fa1d08b8fad96df93cf7dc8dd6bb7543579d8dca980cb30d075","abstract_canon_sha256":"fda29da36b89a35fcbe42b2e4e538295d6f93e3bca00ae6e400c1311d7e9110a"},"schema_version":"1.0"},"canonical_sha256":"118d054dd0aa471c4a03a73ab92a6771196487fe0457829e02c0eb600fb1cfe4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:27:23.415848Z","signature_b64":"giFTCQ2bHz2I6oSYgpXTERWCtn/qvJHRb9fHRH/jcjlSI5WKFS771tFIje+/4lsJsQajw9zJ4qD1RldL4GkdCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"118d054dd0aa471c4a03a73ab92a6771196487fe0457829e02c0eb600fb1cfe4","last_reissued_at":"2026-07-04T15:27:23.415433Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:27:23.415433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9709376","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:27:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lG596sfm7Z7d3l2qs44OVDRW4j12zbw4PWqilUpQwRj5B/DXYrnVrGePFpkK2SFPBlRdO3ljtFz7A7Jto+Z3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T07:57:43.282592Z"},"content_sha256":"6b8f96985d00d90a8627b6690df3818c5ba4e9425e3741c03bda47c827c30383","schema_version":"1.0","event_id":"sha256:6b8f96985d00d90a8627b6690df3818c5ba4e9425e3741c03bda47c827c30383"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:CGGQKTOQVJDRYSQDU45LSKTHOE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inelastic photoproduction of polarised $J/\\psi$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"M. Beneke (CERN), M. Kr\\\"amer (RAL), M. V\\\"anttinen (TU M\\\"unchen)","submitted_at":"1997-09-17T14:11:45Z","abstract_excerpt":"The comparison of $J/\\psi$ photoproduction data in the inelastic region with theoretical predictions based on the NRQCD approach has remained somewhat ambiguous and controversial, in particular at large values of the inelasticity variable $z$. We study the polar and azimuthal decay angular distribution of $J/\\psi$ mesons as functions of $z$ and transverse momentum $p_t$. Future measurements of decay angular distributions at the HERA $ep$ collider will provide a new test of theoretical approaches to factorisation between perturbation theory and quarkonium bound-state dynamics and shed light on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9709376","kind":"arxiv","version":1},"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/9709376/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:27:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EpRJgKBBbDuQzbpNWtMx8ahnxwPKKweZJErvYpaKH3fo4jQaH0+lm4Pko876TFNfdA6yPXtjX/PSFlSpOvbEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T07:57:43.283101Z"},"content_sha256":"756d353e0d136b56009d396282f23c392ee15b135c6df6f44309dd54c5964da8","schema_version":"1.0","event_id":"sha256:756d353e0d136b56009d396282f23c392ee15b135c6df6f44309dd54c5964da8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGGQKTOQVJDRYSQDU45LSKTHOE/bundle.json","state_url":"https://pith.science/pith/CGGQKTOQVJDRYSQDU45LSKTHOE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGGQKTOQVJDRYSQDU45LSKTHOE/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-19T07:57:43Z","links":{"resolver":"https://pith.science/pith/CGGQKTOQVJDRYSQDU45LSKTHOE","bundle":"https://pith.science/pith/CGGQKTOQVJDRYSQDU45LSKTHOE/bundle.json","state":"https://pith.science/pith/CGGQKTOQVJDRYSQDU45LSKTHOE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGGQKTOQVJDRYSQDU45LSKTHOE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:CGGQKTOQVJDRYSQDU45LSKTHOE","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":"fda29da36b89a35fcbe42b2e4e538295d6f93e3bca00ae6e400c1311d7e9110a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-09-17T14:11:45Z","title_canon_sha256":"cdac7cfd497f1fa1d08b8fad96df93cf7dc8dd6bb7543579d8dca980cb30d075"},"schema_version":"1.0","source":{"id":"hep-ph/9709376","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9709376","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9709376v1","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9709376","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"pith_short_12","alias_value":"CGGQKTOQVJDR","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"CGGQKTOQVJDRYSQD","created_at":"2026-07-04T15:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"CGGQKTOQ","created_at":"2026-07-04T15:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:756d353e0d136b56009d396282f23c392ee15b135c6df6f44309dd54c5964da8","target":"graph","created_at":"2026-07-04T15:27:23Z","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/hep-ph/9709376/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The comparison of $J/\\psi$ photoproduction data in the inelastic region with theoretical predictions based on the NRQCD approach has remained somewhat ambiguous and controversial, in particular at large values of the inelasticity variable $z$. We study the polar and azimuthal decay angular distribution of $J/\\psi$ mesons as functions of $z$ and transverse momentum $p_t$. Future measurements of decay angular distributions at the HERA $ep$ collider will provide a new test of theoretical approaches to factorisation between perturbation theory and quarkonium bound-state dynamics and shed light on ","authors_text":"M. Beneke (CERN), M. Kr\\\"amer (RAL), M. V\\\"anttinen (TU M\\\"unchen)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-09-17T14:11:45Z","title":"Inelastic photoproduction of polarised $J/\\psi$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9709376","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":"sha256:6b8f96985d00d90a8627b6690df3818c5ba4e9425e3741c03bda47c827c30383","target":"record","created_at":"2026-07-04T15:27:23Z","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":"fda29da36b89a35fcbe42b2e4e538295d6f93e3bca00ae6e400c1311d7e9110a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-09-17T14:11:45Z","title_canon_sha256":"cdac7cfd497f1fa1d08b8fad96df93cf7dc8dd6bb7543579d8dca980cb30d075"},"schema_version":"1.0","source":{"id":"hep-ph/9709376","kind":"arxiv","version":1}},"canonical_sha256":"118d054dd0aa471c4a03a73ab92a6771196487fe0457829e02c0eb600fb1cfe4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"118d054dd0aa471c4a03a73ab92a6771196487fe0457829e02c0eb600fb1cfe4","first_computed_at":"2026-07-04T15:27:23.415433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:27:23.415433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"giFTCQ2bHz2I6oSYgpXTERWCtn/qvJHRb9fHRH/jcjlSI5WKFS771tFIje+/4lsJsQajw9zJ4qD1RldL4GkdCw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:27:23.415848Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9709376","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b8f96985d00d90a8627b6690df3818c5ba4e9425e3741c03bda47c827c30383","sha256:756d353e0d136b56009d396282f23c392ee15b135c6df6f44309dd54c5964da8"],"state_sha256":"0d0198efdf23c9050cef8a86cad3908685add4ab8a8cb3ce3ff90af5cba2512a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Do8bv4/H7h+Haxxm5+aIPuGEZMHJYbhlUv/eI4f1uAnxzO7AchwkGhyS7DKsyqKhQs8uVu0WED6b18YdKZtDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T07:57:43.287801Z","bundle_sha256":"47c757a9fb55766affbccf91159a4cfb309c8c869bb8f27b0d564c3d94d56d66"}}