{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:AMEHLMDTKO4XXKYK2SVQTF4XIU","short_pith_number":"pith:AMEHLMDT","canonical_record":{"source":{"id":"1406.5476","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-06-20T18:27:22Z","cross_cats_sorted":[],"title_canon_sha256":"e2a27a87097e45ae6335a92bc6a3a3fed1f3550de16510b874a531901323e0c7","abstract_canon_sha256":"736fd978b304c7ce52ff09b89c55b1f8301d125b877930b192bfbb977adc345f"},"schema_version":"1.0"},"canonical_sha256":"030875b07353b97bab0ad4ab0997974522ee679d325e746eeded30583bb12893","source":{"kind":"arxiv","id":"1406.5476","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.5476","created_at":"2026-05-18T02:32:22Z"},{"alias_kind":"arxiv_version","alias_value":"1406.5476v1","created_at":"2026-05-18T02:32:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.5476","created_at":"2026-05-18T02:32:22Z"},{"alias_kind":"pith_short_12","alias_value":"AMEHLMDTKO4X","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AMEHLMDTKO4XXKYK","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AMEHLMDT","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:AMEHLMDTKO4XXKYK2SVQTF4XIU","target":"record","payload":{"canonical_record":{"source":{"id":"1406.5476","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-06-20T18:27:22Z","cross_cats_sorted":[],"title_canon_sha256":"e2a27a87097e45ae6335a92bc6a3a3fed1f3550de16510b874a531901323e0c7","abstract_canon_sha256":"736fd978b304c7ce52ff09b89c55b1f8301d125b877930b192bfbb977adc345f"},"schema_version":"1.0"},"canonical_sha256":"030875b07353b97bab0ad4ab0997974522ee679d325e746eeded30583bb12893","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:22.233095Z","signature_b64":"9dzv7Q5jFO8A4VeuECU1UxKhIA4rW8JXf5aDWVFP0ZimkEC6zcNcjiZK07D+8yc1QVLHM89xbJkGFfi3cxNxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"030875b07353b97bab0ad4ab0997974522ee679d325e746eeded30583bb12893","last_reissued_at":"2026-05-18T02:32:22.232716Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:22.232716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.5476","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":"2026-05-18T02:32:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tniFihlO8ylL4T+Q5dpHbAHQQdeoEAWZogcT5BONx/Zx63MhmXv746cdmcnN5YvzinC1NqdebPIDnw5cMOnkAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T17:32:17.079051Z"},"content_sha256":"b1c9788f59ae9fec49f7a9840c4c8f9ef50974dd32fb1ad06605611d0724c736","schema_version":"1.0","event_id":"sha256:b1c9788f59ae9fec49f7a9840c4c8f9ef50974dd32fb1ad06605611d0724c736"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:AMEHLMDTKO4XXKYK2SVQTF4XIU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing transverse momentum dependent gluon distribution functions from hadronic quarkonium pair production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Guang-Peng Zhang","submitted_at":"2014-06-20T18:27:22Z","abstract_excerpt":"The inclusive hadronic production of $\\eta_Q$($\\eta_c$ or $\\eta_b$) pair is proposed to extract the transverse momentum dependent(TMD) gluon distribution functions. We use nonrelativistic QCD(NRQCD) for the production of $\\eta_Q$. Under nonrelativistic limit TMD factorization for this process is assumed to make a lowest order calculation. For unpolarized initial hadrons, unpolarized and linearly polarized gluon distributions can be extracted by studying different angular distributions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.5476","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":"2026-05-18T02:32:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kS/rKw2jVqZaNRHtpG6NunU2OJHq9hLPOTqCLTsBUTwy556qU1vP7eCMJ1pae0N6S8njqSdwU5Pb8wQOC2onBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T17:32:17.079413Z"},"content_sha256":"9e82dde75e9d7fe569cac6ff4447fd1b28272d64a613a228b664fc977838c8a2","schema_version":"1.0","event_id":"sha256:9e82dde75e9d7fe569cac6ff4447fd1b28272d64a613a228b664fc977838c8a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU/bundle.json","state_url":"https://pith.science/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU/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":"2026-06-30T17:32:17Z","links":{"resolver":"https://pith.science/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU","bundle":"https://pith.science/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU/bundle.json","state":"https://pith.science/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AMEHLMDTKO4XXKYK2SVQTF4XIU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AMEHLMDTKO4XXKYK2SVQTF4XIU","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":"736fd978b304c7ce52ff09b89c55b1f8301d125b877930b192bfbb977adc345f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-06-20T18:27:22Z","title_canon_sha256":"e2a27a87097e45ae6335a92bc6a3a3fed1f3550de16510b874a531901323e0c7"},"schema_version":"1.0","source":{"id":"1406.5476","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.5476","created_at":"2026-05-18T02:32:22Z"},{"alias_kind":"arxiv_version","alias_value":"1406.5476v1","created_at":"2026-05-18T02:32:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.5476","created_at":"2026-05-18T02:32:22Z"},{"alias_kind":"pith_short_12","alias_value":"AMEHLMDTKO4X","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AMEHLMDTKO4XXKYK","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AMEHLMDT","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:9e82dde75e9d7fe569cac6ff4447fd1b28272d64a613a228b664fc977838c8a2","target":"graph","created_at":"2026-05-18T02:32:22Z","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 inclusive hadronic production of $\\eta_Q$($\\eta_c$ or $\\eta_b$) pair is proposed to extract the transverse momentum dependent(TMD) gluon distribution functions. We use nonrelativistic QCD(NRQCD) for the production of $\\eta_Q$. Under nonrelativistic limit TMD factorization for this process is assumed to make a lowest order calculation. For unpolarized initial hadrons, unpolarized and linearly polarized gluon distributions can be extracted by studying different angular distributions.","authors_text":"Guang-Peng Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-06-20T18:27:22Z","title":"Probing transverse momentum dependent gluon distribution functions from hadronic quarkonium pair production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.5476","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:b1c9788f59ae9fec49f7a9840c4c8f9ef50974dd32fb1ad06605611d0724c736","target":"record","created_at":"2026-05-18T02:32:22Z","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":"736fd978b304c7ce52ff09b89c55b1f8301d125b877930b192bfbb977adc345f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-06-20T18:27:22Z","title_canon_sha256":"e2a27a87097e45ae6335a92bc6a3a3fed1f3550de16510b874a531901323e0c7"},"schema_version":"1.0","source":{"id":"1406.5476","kind":"arxiv","version":1}},"canonical_sha256":"030875b07353b97bab0ad4ab0997974522ee679d325e746eeded30583bb12893","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"030875b07353b97bab0ad4ab0997974522ee679d325e746eeded30583bb12893","first_computed_at":"2026-05-18T02:32:22.232716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:22.232716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9dzv7Q5jFO8A4VeuECU1UxKhIA4rW8JXf5aDWVFP0ZimkEC6zcNcjiZK07D+8yc1QVLHM89xbJkGFfi3cxNxBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:22.233095Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.5476","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1c9788f59ae9fec49f7a9840c4c8f9ef50974dd32fb1ad06605611d0724c736","sha256:9e82dde75e9d7fe569cac6ff4447fd1b28272d64a613a228b664fc977838c8a2"],"state_sha256":"9a5672852c4535f5062076078671d8d7bf06a4238d6d21768474cad938421579"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3OVp85YjN6MvQliQa6UYyzfVjW+Dv2si+PkENIQ3s+ul+2UhZ9SphaSRrXnMDjCf3t2Lzcru+DlZCm2nx8F+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T17:32:17.081288Z","bundle_sha256":"1a6863e63d7152038b83a94c2be4239d77ae1619e87a8005f1ca7e999e9dedad"}}