{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:C3HAJSVAMH2TXP7GGFGWWNVQXG","short_pith_number":"pith:C3HAJSVA","canonical_record":{"source":{"id":"1109.1520","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"hep-ph","submitted_at":"2011-09-07T18:03:00Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"dc5c8f6b52d9f8d15c068dc47cdf1b46b392cd75728307d624a8bbf83ed4b6a9","abstract_canon_sha256":"e4b3ef8d72d1dd34a0300f137d95b7d88251ce97125f9593eed4eeae097ee827"},"schema_version":"1.0"},"canonical_sha256":"16ce04caa061f53bbfe6314d6b36b0b99faf0a8c52b02f43e842e45b627fffaa","source":{"kind":"arxiv","id":"1109.1520","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1520","created_at":"2026-05-18T04:00:28Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1520v1","created_at":"2026-05-18T04:00:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1520","created_at":"2026-05-18T04:00:28Z"},{"alias_kind":"pith_short_12","alias_value":"C3HAJSVAMH2T","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"C3HAJSVAMH2TXP7G","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"C3HAJSVA","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:C3HAJSVAMH2TXP7GGFGWWNVQXG","target":"record","payload":{"canonical_record":{"source":{"id":"1109.1520","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"hep-ph","submitted_at":"2011-09-07T18:03:00Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"dc5c8f6b52d9f8d15c068dc47cdf1b46b392cd75728307d624a8bbf83ed4b6a9","abstract_canon_sha256":"e4b3ef8d72d1dd34a0300f137d95b7d88251ce97125f9593eed4eeae097ee827"},"schema_version":"1.0"},"canonical_sha256":"16ce04caa061f53bbfe6314d6b36b0b99faf0a8c52b02f43e842e45b627fffaa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:28.352158Z","signature_b64":"LrGf247h3fjDXemHpy40CoCvC9FVDgGxC2OaPMlXNoC+YNyYQ+AkYVeLMbDp2nY/HMv/ga9jkpUOl5+1jxViDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16ce04caa061f53bbfe6314d6b36b0b99faf0a8c52b02f43e842e45b627fffaa","last_reissued_at":"2026-05-18T04:00:28.351706Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:28.351706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.1520","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":"2026-05-18T04:00:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xn5FV6vej/DYSgQ+EbN8z0wU0mgrOBb0Yqm7KKvfUPkcALR5cHMPE3maezkp8PYj5vG+T5M1x51Yag4GUtirDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:56:59.862416Z"},"content_sha256":"d8dc9068305b3b440243bd779859d3d01f70ed53b96fda5f6cc9d99f63610c13","schema_version":"1.0","event_id":"sha256:d8dc9068305b3b440243bd779859d3d01f70ed53b96fda5f6cc9d99f63610c13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:C3HAJSVAMH2TXP7GGFGWWNVQXG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heavy quarkonium production and polarization","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"George Sterman, Jian-Wei Qiu, Zhong-Bo Kang","submitted_at":"2011-09-07T18:03:00Z","abstract_excerpt":"We present a perturbative QCD factorization formalism for the production of heavy quarkonia of large transverse momentum $p_T$ at collider energies, which includes both the leading power (LP) and next-to-leading power (NLP) contributions to the cross section in the $m_Q^2/p_T^2$ expansion for heavy quark mass $m_Q$. We estimate fragmentation functions in the non-relativistic QCD formalism, and reproduce the bulk of the large enhancement found in explicit NLO calculations in the color singlet model. Heavy quarkonia produced from NLP channels prefer longitudinal polarization."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1520","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":"2026-05-18T04:00:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hdwgCA2e6Vqo6L6FCXOLK99HSn/qWKp0UEyJWr2z+908O3mi3IZkVmuWFi+OHupY41KLiP4G7Xhvx4Ktgk03Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:56:59.863032Z"},"content_sha256":"3758df1ff68cd00295d6cd94e6ea26fcce40052e0629062c36088ccb667d0b8b","schema_version":"1.0","event_id":"sha256:3758df1ff68cd00295d6cd94e6ea26fcce40052e0629062c36088ccb667d0b8b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG/bundle.json","state_url":"https://pith.science/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG/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":"2026-06-02T14:56:59Z","links":{"resolver":"https://pith.science/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG","bundle":"https://pith.science/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG/bundle.json","state":"https://pith.science/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C3HAJSVAMH2TXP7GGFGWWNVQXG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:C3HAJSVAMH2TXP7GGFGWWNVQXG","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":"e4b3ef8d72d1dd34a0300f137d95b7d88251ce97125f9593eed4eeae097ee827","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"hep-ph","submitted_at":"2011-09-07T18:03:00Z","title_canon_sha256":"dc5c8f6b52d9f8d15c068dc47cdf1b46b392cd75728307d624a8bbf83ed4b6a9"},"schema_version":"1.0","source":{"id":"1109.1520","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1520","created_at":"2026-05-18T04:00:28Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1520v1","created_at":"2026-05-18T04:00:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1520","created_at":"2026-05-18T04:00:28Z"},{"alias_kind":"pith_short_12","alias_value":"C3HAJSVAMH2T","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"C3HAJSVAMH2TXP7G","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"C3HAJSVA","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:3758df1ff68cd00295d6cd94e6ea26fcce40052e0629062c36088ccb667d0b8b","target":"graph","created_at":"2026-05-18T04:00:28Z","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 present a perturbative QCD factorization formalism for the production of heavy quarkonia of large transverse momentum $p_T$ at collider energies, which includes both the leading power (LP) and next-to-leading power (NLP) contributions to the cross section in the $m_Q^2/p_T^2$ expansion for heavy quark mass $m_Q$. We estimate fragmentation functions in the non-relativistic QCD formalism, and reproduce the bulk of the large enhancement found in explicit NLO calculations in the color singlet model. Heavy quarkonia produced from NLP channels prefer longitudinal polarization.","authors_text":"George Sterman, Jian-Wei Qiu, Zhong-Bo Kang","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"hep-ph","submitted_at":"2011-09-07T18:03:00Z","title":"Heavy quarkonium production and polarization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1520","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:d8dc9068305b3b440243bd779859d3d01f70ed53b96fda5f6cc9d99f63610c13","target":"record","created_at":"2026-05-18T04:00:28Z","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":"e4b3ef8d72d1dd34a0300f137d95b7d88251ce97125f9593eed4eeae097ee827","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"hep-ph","submitted_at":"2011-09-07T18:03:00Z","title_canon_sha256":"dc5c8f6b52d9f8d15c068dc47cdf1b46b392cd75728307d624a8bbf83ed4b6a9"},"schema_version":"1.0","source":{"id":"1109.1520","kind":"arxiv","version":1}},"canonical_sha256":"16ce04caa061f53bbfe6314d6b36b0b99faf0a8c52b02f43e842e45b627fffaa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16ce04caa061f53bbfe6314d6b36b0b99faf0a8c52b02f43e842e45b627fffaa","first_computed_at":"2026-05-18T04:00:28.351706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:28.351706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LrGf247h3fjDXemHpy40CoCvC9FVDgGxC2OaPMlXNoC+YNyYQ+AkYVeLMbDp2nY/HMv/ga9jkpUOl5+1jxViDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:28.352158Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.1520","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8dc9068305b3b440243bd779859d3d01f70ed53b96fda5f6cc9d99f63610c13","sha256:3758df1ff68cd00295d6cd94e6ea26fcce40052e0629062c36088ccb667d0b8b"],"state_sha256":"88fab1fb13952dcada9335121d117eb189e7ae01fab34e8d2a7aacaa8e49e575"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tTBB4dC2qyKNalEzeval/SG6zjt6ZJ28trxzTJ5tGVYwK5GFBm8BZ+rYd2/9sMkQ5KIOQ1/vMDybmWca6KONCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:56:59.865680Z","bundle_sha256":"a8bc0761b5a7009572fd8a5aaf0c53103cb0c1dc972f5fc83f1544b04ae80536"}}