{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:7SRMA6B2D3A2YXJR7MQDXZXZYU","short_pith_number":"pith:7SRMA6B2","canonical_record":{"source":{"id":"hep-ph/9712273","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-12-05T14:41:31Z","cross_cats_sorted":[],"title_canon_sha256":"a0d8a65e3b997d16f2637032a76765457fc54d4b5f335090833089b499190623","abstract_canon_sha256":"ae43f7521c6a1fcc2d795ffd38c0f75afa2cb560fb30f40259ccf4fdc110c8fb"},"schema_version":"1.0"},"canonical_sha256":"fca2c0783a1ec1ac5d31fb203be6f9c50ada18ffe5a143bf9add6f4cf3602f5e","source":{"kind":"arxiv","id":"hep-ph/9712273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9712273","created_at":"2026-05-18T04:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9712273v1","created_at":"2026-05-18T04:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9712273","created_at":"2026-05-18T04:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"7SRMA6B2D3A2","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"7SRMA6B2D3A2YXJR","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"7SRMA6B2","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:7SRMA6B2D3A2YXJR7MQDXZXZYU","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9712273","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-12-05T14:41:31Z","cross_cats_sorted":[],"title_canon_sha256":"a0d8a65e3b997d16f2637032a76765457fc54d4b5f335090833089b499190623","abstract_canon_sha256":"ae43f7521c6a1fcc2d795ffd38c0f75afa2cb560fb30f40259ccf4fdc110c8fb"},"schema_version":"1.0"},"canonical_sha256":"fca2c0783a1ec1ac5d31fb203be6f9c50ada18ffe5a143bf9add6f4cf3602f5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:17:37.374452Z","signature_b64":"MGYbNj3mOFIumpfbggZanNRNYvl+UouyOl0JmHVcgE6aG1LqxVqNEdANNunjqj9AhhMBLt+QmEkBIQWmbQAmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fca2c0783a1ec1ac5d31fb203be6f9c50ada18ffe5a143bf9add6f4cf3602f5e","last_reissued_at":"2026-05-18T04:17:37.374012Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:17:37.374012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9712273","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":"2026-05-18T04:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyJpTgDZzUjg/N6QRS9tCFi5kJUFNjnuKiBPsEmYLRmr5uBGOUCWDeW+mWmqqYjBE2Ev5c3HiSGsYTSpAiEMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:31:08.630805Z"},"content_sha256":"8de8a689ba898cd3678ed8ca2084a299482a8d3f792f0d69902b714bd0924e05","schema_version":"1.0","event_id":"sha256:8de8a689ba898cd3678ed8ca2084a299482a8d3f792f0d69902b714bd0924e05"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:7SRMA6B2D3A2YXJR7MQDXZXZYU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Next-to-leading order QCD corrections to inclusive-hadron photoproduction in polarized lepton-proton collisions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. de Florian, W. Vogelsang (CERN)","submitted_at":"1997-12-05T14:41:31Z","abstract_excerpt":"We calculate the next-to-leading order QCD corrections to the `direct' part of the spin-dependent cross section for single-inclusive charged-hadron photoproduction. This process could be studied experimentally in future polarized fixed-target lepton-nucleon experiments, but also at the HERA ep collider after an upgrade to both beams being polarized. We present a brief numerical evaluation of our results by studying the K-factors and the scale dependence of the NLO cross section."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9712273","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":"2026-05-18T04:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GeVRsNFsFfMHvoTu6oCIbuSseR9yXep8FL1KKRl5yWXV70kYhtFfheZxUBuuUgK5jMvurbCqqD1k2Rs5WbCbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:31:08.631460Z"},"content_sha256":"8feb3f6abc3c798922765445c7ff9a1a4fd30329d6d0a07ff0e6159acaeed0cb","schema_version":"1.0","event_id":"sha256:8feb3f6abc3c798922765445c7ff9a1a4fd30329d6d0a07ff0e6159acaeed0cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU/bundle.json","state_url":"https://pith.science/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU/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":"2026-05-31T01:31:08Z","links":{"resolver":"https://pith.science/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU","bundle":"https://pith.science/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU/bundle.json","state":"https://pith.science/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SRMA6B2D3A2YXJR7MQDXZXZYU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:7SRMA6B2D3A2YXJR7MQDXZXZYU","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":"ae43f7521c6a1fcc2d795ffd38c0f75afa2cb560fb30f40259ccf4fdc110c8fb","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-12-05T14:41:31Z","title_canon_sha256":"a0d8a65e3b997d16f2637032a76765457fc54d4b5f335090833089b499190623"},"schema_version":"1.0","source":{"id":"hep-ph/9712273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9712273","created_at":"2026-05-18T04:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9712273v1","created_at":"2026-05-18T04:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9712273","created_at":"2026-05-18T04:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"7SRMA6B2D3A2","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"7SRMA6B2D3A2YXJR","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"7SRMA6B2","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:8feb3f6abc3c798922765445c7ff9a1a4fd30329d6d0a07ff0e6159acaeed0cb","target":"graph","created_at":"2026-05-18T04:17:37Z","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 calculate the next-to-leading order QCD corrections to the `direct' part of the spin-dependent cross section for single-inclusive charged-hadron photoproduction. This process could be studied experimentally in future polarized fixed-target lepton-nucleon experiments, but also at the HERA ep collider after an upgrade to both beams being polarized. We present a brief numerical evaluation of our results by studying the K-factors and the scale dependence of the NLO cross section.","authors_text":"D. de Florian, W. Vogelsang (CERN)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-12-05T14:41:31Z","title":"Next-to-leading order QCD corrections to inclusive-hadron photoproduction in polarized lepton-proton collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9712273","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":"sha256:8de8a689ba898cd3678ed8ca2084a299482a8d3f792f0d69902b714bd0924e05","target":"record","created_at":"2026-05-18T04:17:37Z","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":"ae43f7521c6a1fcc2d795ffd38c0f75afa2cb560fb30f40259ccf4fdc110c8fb","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-12-05T14:41:31Z","title_canon_sha256":"a0d8a65e3b997d16f2637032a76765457fc54d4b5f335090833089b499190623"},"schema_version":"1.0","source":{"id":"hep-ph/9712273","kind":"arxiv","version":1}},"canonical_sha256":"fca2c0783a1ec1ac5d31fb203be6f9c50ada18ffe5a143bf9add6f4cf3602f5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fca2c0783a1ec1ac5d31fb203be6f9c50ada18ffe5a143bf9add6f4cf3602f5e","first_computed_at":"2026-05-18T04:17:37.374012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:17:37.374012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MGYbNj3mOFIumpfbggZanNRNYvl+UouyOl0JmHVcgE6aG1LqxVqNEdANNunjqj9AhhMBLt+QmEkBIQWmbQAmDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:17:37.374452Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9712273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8de8a689ba898cd3678ed8ca2084a299482a8d3f792f0d69902b714bd0924e05","sha256:8feb3f6abc3c798922765445c7ff9a1a4fd30329d6d0a07ff0e6159acaeed0cb"],"state_sha256":"0e30f85143cdfc63e6be5983041ed4584265e10bae4df49adcab789f4899cbb2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NE+YNKaPZeg1rvpDMPV1Yll0H/Hsj4PAubNH2RBL5iD2cFwO5UZMOA4G4oM5dEz+VS82ikcckK1Q47Q+KLwOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:31:08.634756Z","bundle_sha256":"68daf429981937eb1efe04a88f22654d2e689d8102f6722d2e2e498d24e2e0f7"}}