{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:N7YNR2TXWF4WJ7ZR5LASM2G7DN","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":"ec601077460d5b159afd9237caf42b551a3647caf9ecbee610c3b70de1f0160a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T15:53:34Z","title_canon_sha256":"3a011804bbad00c0fd5c25758755899851517900525edb2f65ca0966b0efea79"},"schema_version":"1.0","source":{"id":"2102.00003","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.00003","created_at":"2026-07-05T02:33:27Z"},{"alias_kind":"arxiv_version","alias_value":"2102.00003v2","created_at":"2026-07-05T02:33:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.00003","created_at":"2026-07-05T02:33:27Z"},{"alias_kind":"pith_short_12","alias_value":"N7YNR2TXWF4W","created_at":"2026-07-05T02:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"N7YNR2TXWF4WJ7ZR","created_at":"2026-07-05T02:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"N7YNR2TX","created_at":"2026-07-05T02:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:2d510390fc8680429a020779c4643e6b5ec128658ce4a746d34c3b8e33b7ce9f","target":"graph","created_at":"2026-07-05T02:33:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2102.00003/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently unpolarized and polarized $J/\\psi \\,(\\Upsilon)$ production at the Electron-Ion Collider (EIC) has been proposed as a new way to extract two poorly known color-octet NRQCD long-distance matrix elements: $\\langle0\\vert{\\cal O}_{8}^{J/\\psi}(^{1}S_{0})\\vert0\\rangle$ and $\\langle0\\vert{\\cal O}_{8}^{J/\\psi}(^{3}P_{0})\\vert0\\rangle$. The proposed method is based on a comparison to open heavy-quark pair production ideally performed at the same kinematics. In this paper we analyze this proposal in more detail and provide predictions for the EIC based on the available determinations of the colo","authors_text":"Cristian Pisano, Dani\\\"el Boer, Pieter Taels","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T15:53:34Z","title":"Extracting color octet NRQCD matrix elements from $J/\\psi$ production at the EIC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.00003","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:fa8c22f53cfa829d3ee935efb766388ad2c7d22c6d30adeca6b73f4aca4e2e15","target":"record","created_at":"2026-07-05T02:33:27Z","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":"ec601077460d5b159afd9237caf42b551a3647caf9ecbee610c3b70de1f0160a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T15:53:34Z","title_canon_sha256":"3a011804bbad00c0fd5c25758755899851517900525edb2f65ca0966b0efea79"},"schema_version":"1.0","source":{"id":"2102.00003","kind":"arxiv","version":2}},"canonical_sha256":"6ff0d8ea77b17964ff31eac12668df1b47454b721f9d474c0e71a4c65b049e4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ff0d8ea77b17964ff31eac12668df1b47454b721f9d474c0e71a4c65b049e4a","first_computed_at":"2026-07-05T02:33:27.940247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:33:27.940247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vJi4/Kh7SjVQsCSH5LzmhRyonn8FtirMBgQWsOil365bLcZVGp8oFHrxOd34XqxCljJjYIqo0dnVQfRZ4+xvAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:33:27.940737Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.00003","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa8c22f53cfa829d3ee935efb766388ad2c7d22c6d30adeca6b73f4aca4e2e15","sha256:2d510390fc8680429a020779c4643e6b5ec128658ce4a746d34c3b8e33b7ce9f"],"state_sha256":"d1556211920bc3be26493a25ea5f9ac0714727a73409ad8ef93d65c6f28f9f6a"}