{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:L5BPMJZKM2HFSED2CPKW3DFFPS","short_pith_number":"pith:L5BPMJZK","canonical_record":{"source":{"id":"hep-ph/0304114","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-11T15:06:34Z","cross_cats_sorted":[],"title_canon_sha256":"942e0fc1e2f39ec323ace7304a74b7035fd2ab9b98fffdd3e753f99da608a2cd","abstract_canon_sha256":"df0cf94f2257fa261a3201c98c2ae7faf17b5888faeed2181727781e0b10f015"},"schema_version":"1.0"},"canonical_sha256":"5f42f6272a668e59107a13d56d8ca57c9a14cebfc52bb5ebc3b3783200e6d2d8","source":{"kind":"arxiv","id":"hep-ph/0304114","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0304114","created_at":"2026-05-18T04:26:10Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0304114v2","created_at":"2026-05-18T04:26:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0304114","created_at":"2026-05-18T04:26:10Z"},{"alias_kind":"pith_short_12","alias_value":"L5BPMJZKM2HF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"L5BPMJZKM2HFSED2","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"L5BPMJZK","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:L5BPMJZKM2HFSED2CPKW3DFFPS","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0304114","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-11T15:06:34Z","cross_cats_sorted":[],"title_canon_sha256":"942e0fc1e2f39ec323ace7304a74b7035fd2ab9b98fffdd3e753f99da608a2cd","abstract_canon_sha256":"df0cf94f2257fa261a3201c98c2ae7faf17b5888faeed2181727781e0b10f015"},"schema_version":"1.0"},"canonical_sha256":"5f42f6272a668e59107a13d56d8ca57c9a14cebfc52bb5ebc3b3783200e6d2d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:10.829930Z","signature_b64":"3qrw4DlAv3ykouQBF+7QM2Pquj6y6sNcdUbXSpmSKUWr7OD+wKpaKSuqUokfUuHwOhSKh0skiZUVduNPLJbhBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f42f6272a668e59107a13d56d8ca57c9a14cebfc52bb5ebc3b3783200e6d2d8","last_reissued_at":"2026-05-18T04:26:10.829433Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:10.829433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0304114","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:26:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9WN39hUEqGBQSLZ5xEcnUXRTDl+B/NEkCw6GzKAGbP8h1ThOcSupWaCtcpScrNRYknllorR6kXEuo+Le+pxqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:58:32.730254Z"},"content_sha256":"49daeb6b665751b598bfe4142bf1a75d9f3bb1734f30d737d9f5ac5f5a706af4","schema_version":"1.0","event_id":"sha256:49daeb6b665751b598bfe4142bf1a75d9f3bb1734f30d737d9f5ac5f5a706af4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:L5BPMJZKM2HFSED2CPKW3DFFPS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct J/psi and psi' hadroproduction via fragmentation in the collinear parton model and k_T-factorization approach","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. V. Vasin (Samara State University, Russia), Samara, V. A. Saleev","submitted_at":"2003-04-11T15:06:34Z","abstract_excerpt":"The p_T-spectra for direct J/psi and psi' in hadroproduction at Tevatron energy have been calculated based on NRQCD formalism and fragmentation approximation in the collinear parton model and k_T-factorization approach. We have described the CDF data and obtained a good agreement between the predictions obtained in the parton model and k_T-factorization approach. We performed the calculations using the relevant leading order in alpha_s hard amplitudes and the equal values of the color-octet long-distance matrix elements for the both models."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0304114","kind":"arxiv","version":2},"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":"2026-05-18T04:26:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b99nKggM4x9oE2GTiW77Piy0UL/5I61+6pB/JPsUguQQO7sUFi0f7YSBAfssHvr4sAm2DKEtyQaFtefVzoq6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:58:32.730617Z"},"content_sha256":"0e427ea0cbfb6b79d3fc54c537e58fa42d9b07dcf2b109c26303331cb1bd549a","schema_version":"1.0","event_id":"sha256:0e427ea0cbfb6b79d3fc54c537e58fa42d9b07dcf2b109c26303331cb1bd549a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L5BPMJZKM2HFSED2CPKW3DFFPS/bundle.json","state_url":"https://pith.science/pith/L5BPMJZKM2HFSED2CPKW3DFFPS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L5BPMJZKM2HFSED2CPKW3DFFPS/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":"2026-06-01T18:58:32Z","links":{"resolver":"https://pith.science/pith/L5BPMJZKM2HFSED2CPKW3DFFPS","bundle":"https://pith.science/pith/L5BPMJZKM2HFSED2CPKW3DFFPS/bundle.json","state":"https://pith.science/pith/L5BPMJZKM2HFSED2CPKW3DFFPS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L5BPMJZKM2HFSED2CPKW3DFFPS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:L5BPMJZKM2HFSED2CPKW3DFFPS","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":"df0cf94f2257fa261a3201c98c2ae7faf17b5888faeed2181727781e0b10f015","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-11T15:06:34Z","title_canon_sha256":"942e0fc1e2f39ec323ace7304a74b7035fd2ab9b98fffdd3e753f99da608a2cd"},"schema_version":"1.0","source":{"id":"hep-ph/0304114","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0304114","created_at":"2026-05-18T04:26:10Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0304114v2","created_at":"2026-05-18T04:26:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0304114","created_at":"2026-05-18T04:26:10Z"},{"alias_kind":"pith_short_12","alias_value":"L5BPMJZKM2HF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"L5BPMJZKM2HFSED2","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"L5BPMJZK","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:0e427ea0cbfb6b79d3fc54c537e58fa42d9b07dcf2b109c26303331cb1bd549a","target":"graph","created_at":"2026-05-18T04:26:10Z","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 p_T-spectra for direct J/psi and psi' in hadroproduction at Tevatron energy have been calculated based on NRQCD formalism and fragmentation approximation in the collinear parton model and k_T-factorization approach. We have described the CDF data and obtained a good agreement between the predictions obtained in the parton model and k_T-factorization approach. We performed the calculations using the relevant leading order in alpha_s hard amplitudes and the equal values of the color-octet long-distance matrix elements for the both models.","authors_text":"D. V. Vasin (Samara State University, Russia), Samara, V. A. Saleev","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-04-11T15:06:34Z","title":"Direct J/psi and psi' hadroproduction via fragmentation in the collinear parton model and k_T-factorization approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0304114","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":"sha256:49daeb6b665751b598bfe4142bf1a75d9f3bb1734f30d737d9f5ac5f5a706af4","target":"record","created_at":"2026-05-18T04:26:10Z","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":"df0cf94f2257fa261a3201c98c2ae7faf17b5888faeed2181727781e0b10f015","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-11T15:06:34Z","title_canon_sha256":"942e0fc1e2f39ec323ace7304a74b7035fd2ab9b98fffdd3e753f99da608a2cd"},"schema_version":"1.0","source":{"id":"hep-ph/0304114","kind":"arxiv","version":2}},"canonical_sha256":"5f42f6272a668e59107a13d56d8ca57c9a14cebfc52bb5ebc3b3783200e6d2d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f42f6272a668e59107a13d56d8ca57c9a14cebfc52bb5ebc3b3783200e6d2d8","first_computed_at":"2026-05-18T04:26:10.829433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:10.829433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3qrw4DlAv3ykouQBF+7QM2Pquj6y6sNcdUbXSpmSKUWr7OD+wKpaKSuqUokfUuHwOhSKh0skiZUVduNPLJbhBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:10.829930Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0304114","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49daeb6b665751b598bfe4142bf1a75d9f3bb1734f30d737d9f5ac5f5a706af4","sha256:0e427ea0cbfb6b79d3fc54c537e58fa42d9b07dcf2b109c26303331cb1bd549a"],"state_sha256":"3e11d8f5a2d3dcfecda1cef1e4e22ca713342659497a4968b91ea66f2bc74f42"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JFyk+voSacoa/WWHjjFRj31UJ/RTiCYrCPLPiwWLVscQc69OQFnwh9qH1NJ3YR0gdUEdTgRYuoC7XnlKP9TeDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T18:58:32.732682Z","bundle_sha256":"54f68349f9becbe3a110d4915092d906b63278a92ef288b324d99724b656ebb9"}}