{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:PV47ZK2USLUSA7NWHZUIQNS7T2","short_pith_number":"pith:PV47ZK2U","canonical_record":{"source":{"id":"1004.0070","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-01T07:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"b37c4ff68f54566696ebdac5c197da047e24d3d4d26ba5c8ad9951a4904a68eb","abstract_canon_sha256":"3b4a64c74e3aa85bdd2aa76e143e21f54618904f6430477d08a9ac68b967a9ae"},"schema_version":"1.0"},"canonical_sha256":"7d79fcab5492e9207db63e6888365f9eaf3f6348244ec247deef7aee04064c55","source":{"kind":"arxiv","id":"1004.0070","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0070","created_at":"2026-05-18T02:24:18Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0070v1","created_at":"2026-05-18T02:24:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0070","created_at":"2026-05-18T02:24:18Z"},{"alias_kind":"pith_short_12","alias_value":"PV47ZK2USLUS","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"PV47ZK2USLUSA7NW","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"PV47ZK2U","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:PV47ZK2USLUSA7NWHZUIQNS7T2","target":"record","payload":{"canonical_record":{"source":{"id":"1004.0070","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-01T07:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"b37c4ff68f54566696ebdac5c197da047e24d3d4d26ba5c8ad9951a4904a68eb","abstract_canon_sha256":"3b4a64c74e3aa85bdd2aa76e143e21f54618904f6430477d08a9ac68b967a9ae"},"schema_version":"1.0"},"canonical_sha256":"7d79fcab5492e9207db63e6888365f9eaf3f6348244ec247deef7aee04064c55","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:18.388193Z","signature_b64":"PYVQPYwN5ZE9LqAB5CWKnef/devhHnhLi/meR21l4+tbhvvXlgm70kSL75yChACgU9aPcsLr7qFHAhIxErzGCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d79fcab5492e9207db63e6888365f9eaf3f6348244ec247deef7aee04064c55","last_reissued_at":"2026-05-18T02:24:18.387395Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:18.387395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.0070","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":"2026-05-18T02:24:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q4r3Wlu1ga03wUiRCX5ixCD4hDHX8zydLtYPifvPc7urYZr26LKf0Jfgz97LmwYNENpg7imNTE0yLPP1GHKPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:37:07.881921Z"},"content_sha256":"e3bec57843d7b650c41ad4db51a6af6a0472b58d39312e912c5f2534d1343661","schema_version":"1.0","event_id":"sha256:e3bec57843d7b650c41ad4db51a6af6a0472b58d39312e912c5f2534d1343661"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:PV47ZK2USLUSA7NWHZUIQNS7T2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exclusive photoproduction of $\\phi$ meson in $\\gamma p \\to \\phi p$ and $p p \\to p \\phi p$ reactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Anna Cisek, Antoni Szczurek, Wolfgang Sch\\\"afer","submitted_at":"2010-04-01T07:10:57Z","abstract_excerpt":"The amplitude for $\\gamma p \\to \\phi p$ is calculated in a pQCD $k_{T}$ - factorization approach. The total cross section for this process is compared with HERA data. Total cross section, as a function of photon-proton energy and photon virtuality, is calculated. We also discuss the ratio of $\\sigma_{L}$ / $\\sigma_{T}$ and the dependence on the mass of the strange quark. The amplitude for $\\gamma p \\to \\phi p$ is used to predict the cross section for exclusive photoproduction of $\\phi$ meson in proton-proton collisions. Absorption effects are included. The results for RHIC, Tevatron and LHC en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0070","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":""},"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":"2026-05-18T02:24:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ajXYoFke07MVVu7hHSWpwBh1A3ZkvmtO8LGjVJyZuXK9m3iIgr+8OcFoA8ghudZ5yQc2iXFva9UO0MhvIDRdCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:37:07.882618Z"},"content_sha256":"87c31c5c5af0a5e196c41bb06ed62cbddc1279875f583e0bf2f53ceddc75bfeb","schema_version":"1.0","event_id":"sha256:87c31c5c5af0a5e196c41bb06ed62cbddc1279875f583e0bf2f53ceddc75bfeb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PV47ZK2USLUSA7NWHZUIQNS7T2/bundle.json","state_url":"https://pith.science/pith/PV47ZK2USLUSA7NWHZUIQNS7T2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PV47ZK2USLUSA7NWHZUIQNS7T2/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":"2026-06-10T23:37:07Z","links":{"resolver":"https://pith.science/pith/PV47ZK2USLUSA7NWHZUIQNS7T2","bundle":"https://pith.science/pith/PV47ZK2USLUSA7NWHZUIQNS7T2/bundle.json","state":"https://pith.science/pith/PV47ZK2USLUSA7NWHZUIQNS7T2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PV47ZK2USLUSA7NWHZUIQNS7T2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:PV47ZK2USLUSA7NWHZUIQNS7T2","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":"3b4a64c74e3aa85bdd2aa76e143e21f54618904f6430477d08a9ac68b967a9ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-01T07:10:57Z","title_canon_sha256":"b37c4ff68f54566696ebdac5c197da047e24d3d4d26ba5c8ad9951a4904a68eb"},"schema_version":"1.0","source":{"id":"1004.0070","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0070","created_at":"2026-05-18T02:24:18Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0070v1","created_at":"2026-05-18T02:24:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0070","created_at":"2026-05-18T02:24:18Z"},{"alias_kind":"pith_short_12","alias_value":"PV47ZK2USLUS","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"PV47ZK2USLUSA7NW","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"PV47ZK2U","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:87c31c5c5af0a5e196c41bb06ed62cbddc1279875f583e0bf2f53ceddc75bfeb","target":"graph","created_at":"2026-05-18T02:24:18Z","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":"The amplitude for $\\gamma p \\to \\phi p$ is calculated in a pQCD $k_{T}$ - factorization approach. The total cross section for this process is compared with HERA data. Total cross section, as a function of photon-proton energy and photon virtuality, is calculated. We also discuss the ratio of $\\sigma_{L}$ / $\\sigma_{T}$ and the dependence on the mass of the strange quark. The amplitude for $\\gamma p \\to \\phi p$ is used to predict the cross section for exclusive photoproduction of $\\phi$ meson in proton-proton collisions. Absorption effects are included. The results for RHIC, Tevatron and LHC en","authors_text":"Anna Cisek, Antoni Szczurek, Wolfgang Sch\\\"afer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-01T07:10:57Z","title":"Exclusive photoproduction of $\\phi$ meson in $\\gamma p \\to \\phi p$ and $p p \\to p \\phi p$ reactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0070","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:e3bec57843d7b650c41ad4db51a6af6a0472b58d39312e912c5f2534d1343661","target":"record","created_at":"2026-05-18T02:24:18Z","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":"3b4a64c74e3aa85bdd2aa76e143e21f54618904f6430477d08a9ac68b967a9ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-04-01T07:10:57Z","title_canon_sha256":"b37c4ff68f54566696ebdac5c197da047e24d3d4d26ba5c8ad9951a4904a68eb"},"schema_version":"1.0","source":{"id":"1004.0070","kind":"arxiv","version":1}},"canonical_sha256":"7d79fcab5492e9207db63e6888365f9eaf3f6348244ec247deef7aee04064c55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d79fcab5492e9207db63e6888365f9eaf3f6348244ec247deef7aee04064c55","first_computed_at":"2026-05-18T02:24:18.387395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:18.387395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PYVQPYwN5ZE9LqAB5CWKnef/devhHnhLi/meR21l4+tbhvvXlgm70kSL75yChACgU9aPcsLr7qFHAhIxErzGCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:18.388193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0070","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3bec57843d7b650c41ad4db51a6af6a0472b58d39312e912c5f2534d1343661","sha256:87c31c5c5af0a5e196c41bb06ed62cbddc1279875f583e0bf2f53ceddc75bfeb"],"state_sha256":"15fdeefb4354b3bed8a65ac8a6a93c6a6fa72be0523072164f93405911ae8bcc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vdIVG7YVlvre068+p45xKK4iaq8qb8grB5bu2CsmCCdkLHTaoBPPUNEOpzYt8QpBIVphIF2mEMUjcJqenuDmCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T23:37:07.886492Z","bundle_sha256":"27806f6f26d0635d2c1c712ab2aaaac4ef7b3d41e62a9ea7f2fb7093329dff91"}}