{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:RGK73T3FE3YHTX22XPDLSU2S6A","short_pith_number":"pith:RGK73T3F","canonical_record":{"source":{"id":"2402.07773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-02-12T16:33:56Z","cross_cats_sorted":[],"title_canon_sha256":"19c6b95c0d462f58260580ee74bf59bd5a4e4f05880b92c6cfff60bebfbd5459","abstract_canon_sha256":"01c948ce7316e7462ac15aa74b917902217f4e5ee7983317436a991fb69ef74d"},"schema_version":"1.0"},"canonical_sha256":"8995fdcf6526f079df5abbc6b95352f0247ed3dd95fe8d6caa0e9fcc61b4d849","source":{"kind":"arxiv","id":"2402.07773","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.07773","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"arxiv_version","alias_value":"2402.07773v1","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.07773","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"pith_short_12","alias_value":"RGK73T3FE3YH","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"pith_short_16","alias_value":"RGK73T3FE3YHTX22","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"pith_short_8","alias_value":"RGK73T3F","created_at":"2026-07-05T07:44:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:RGK73T3FE3YHTX22XPDLSU2S6A","target":"record","payload":{"canonical_record":{"source":{"id":"2402.07773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-02-12T16:33:56Z","cross_cats_sorted":[],"title_canon_sha256":"19c6b95c0d462f58260580ee74bf59bd5a4e4f05880b92c6cfff60bebfbd5459","abstract_canon_sha256":"01c948ce7316e7462ac15aa74b917902217f4e5ee7983317436a991fb69ef74d"},"schema_version":"1.0"},"canonical_sha256":"8995fdcf6526f079df5abbc6b95352f0247ed3dd95fe8d6caa0e9fcc61b4d849","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:44:12.246623Z","signature_b64":"bO0NVAAUGALw3GJ02n4bqavkEy78ArxDs1DjaLoB2zUe3fVjsjCi3HahwdJku9JjhtUjegNXqp0b//pAVoc1Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8995fdcf6526f079df5abbc6b95352f0247ed3dd95fe8d6caa0e9fcc61b4d849","last_reissued_at":"2026-07-05T07:44:12.246121Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:44:12.246121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.07773","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":"2026-07-05T07:44:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/8t6V637nYUAzD/mDxUwQlY8X98OtjKBuwr+gN1PhSDpyzQWrpcxLgNCxo5MWxX7It2em5QX8hki4NHtxSS8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T20:11:03.314377Z"},"content_sha256":"63fa92a4587230fc4488fefbad8e8fcc3fb6e740cf9b2f5455906c8b15ccaac9","schema_version":"1.0","event_id":"sha256:63fa92a4587230fc4488fefbad8e8fcc3fb6e740cf9b2f5455906c8b15ccaac9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:RGK73T3FE3YHTX22XPDLSU2S6A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relativistic corrections to prompt double charmonium hadroproduction near threshold","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bernd A. Kniehl, Xiao-Bo Jin, Zhi-Guo He","submitted_at":"2024-02-12T16:33:56Z","abstract_excerpt":"We calculate the relativistic corrections to prompt $J/\\psi$ pair and $J/\\psi+\\psi(2S)$ hadroproduction through the color-singlet channel within the framework of nonrelativistic QCD (NRQCD) factorization. The short-distance coefficients are obtained by matching full-QCD and NRQCD calculations at the partonic level, in which both squared amplitude and phase space are expanded in $v^2$. We find that such an expansion of the phase space spoils the convergence of NRQCD factorization near the production threshold. To fix this problem, we propose to modify the matching between full QCD and NRQCD by "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.07773","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2402.07773/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:44:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HXW7gocmETDjn+9Lkjx/f5gThlXdsYGrVmx6Ee20OxDZ4/UCNKoaKp6PpqtpizIbI8O+NPHnj9PUoz086lvNAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T20:11:03.315008Z"},"content_sha256":"5f8408fa7125d6ab22a3643bd2f3642bd4d404f2301e0c0a1b6264edcc27bcac","schema_version":"1.0","event_id":"sha256:5f8408fa7125d6ab22a3643bd2f3642bd4d404f2301e0c0a1b6264edcc27bcac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RGK73T3FE3YHTX22XPDLSU2S6A/bundle.json","state_url":"https://pith.science/pith/RGK73T3FE3YHTX22XPDLSU2S6A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RGK73T3FE3YHTX22XPDLSU2S6A/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":"2026-08-01T20:11:03Z","links":{"resolver":"https://pith.science/pith/RGK73T3FE3YHTX22XPDLSU2S6A","bundle":"https://pith.science/pith/RGK73T3FE3YHTX22XPDLSU2S6A/bundle.json","state":"https://pith.science/pith/RGK73T3FE3YHTX22XPDLSU2S6A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RGK73T3FE3YHTX22XPDLSU2S6A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:RGK73T3FE3YHTX22XPDLSU2S6A","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":"01c948ce7316e7462ac15aa74b917902217f4e5ee7983317436a991fb69ef74d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-02-12T16:33:56Z","title_canon_sha256":"19c6b95c0d462f58260580ee74bf59bd5a4e4f05880b92c6cfff60bebfbd5459"},"schema_version":"1.0","source":{"id":"2402.07773","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.07773","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"arxiv_version","alias_value":"2402.07773v1","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.07773","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"pith_short_12","alias_value":"RGK73T3FE3YH","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"pith_short_16","alias_value":"RGK73T3FE3YHTX22","created_at":"2026-07-05T07:44:12Z"},{"alias_kind":"pith_short_8","alias_value":"RGK73T3F","created_at":"2026-07-05T07:44:12Z"}],"graph_snapshots":[{"event_id":"sha256:5f8408fa7125d6ab22a3643bd2f3642bd4d404f2301e0c0a1b6264edcc27bcac","target":"graph","created_at":"2026-07-05T07:44:12Z","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/2402.07773/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate the relativistic corrections to prompt $J/\\psi$ pair and $J/\\psi+\\psi(2S)$ hadroproduction through the color-singlet channel within the framework of nonrelativistic QCD (NRQCD) factorization. The short-distance coefficients are obtained by matching full-QCD and NRQCD calculations at the partonic level, in which both squared amplitude and phase space are expanded in $v^2$. We find that such an expansion of the phase space spoils the convergence of NRQCD factorization near the production threshold. To fix this problem, we propose to modify the matching between full QCD and NRQCD by ","authors_text":"Bernd A. Kniehl, Xiao-Bo Jin, Zhi-Guo He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-02-12T16:33:56Z","title":"Relativistic corrections to prompt double charmonium hadroproduction near threshold"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.07773","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":"sha256:63fa92a4587230fc4488fefbad8e8fcc3fb6e740cf9b2f5455906c8b15ccaac9","target":"record","created_at":"2026-07-05T07:44:12Z","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":"01c948ce7316e7462ac15aa74b917902217f4e5ee7983317436a991fb69ef74d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-02-12T16:33:56Z","title_canon_sha256":"19c6b95c0d462f58260580ee74bf59bd5a4e4f05880b92c6cfff60bebfbd5459"},"schema_version":"1.0","source":{"id":"2402.07773","kind":"arxiv","version":1}},"canonical_sha256":"8995fdcf6526f079df5abbc6b95352f0247ed3dd95fe8d6caa0e9fcc61b4d849","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8995fdcf6526f079df5abbc6b95352f0247ed3dd95fe8d6caa0e9fcc61b4d849","first_computed_at":"2026-07-05T07:44:12.246121Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:44:12.246121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bO0NVAAUGALw3GJ02n4bqavkEy78ArxDs1DjaLoB2zUe3fVjsjCi3HahwdJku9JjhtUjegNXqp0b//pAVoc1Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:44:12.246623Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.07773","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63fa92a4587230fc4488fefbad8e8fcc3fb6e740cf9b2f5455906c8b15ccaac9","sha256:5f8408fa7125d6ab22a3643bd2f3642bd4d404f2301e0c0a1b6264edcc27bcac"],"state_sha256":"e85d2d513339a50b7801e87eede0e56eebdeae7e44179ee5f07a9a4073ae0cb2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uQGMe1aJNTW8Qon7tI29YgXKaoC4Beo0VMKnMbMldX39HOvGiKP5tO18w+yuG+oCd87SK5uHLZPFjqGyAM6yDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T20:11:03.319914Z","bundle_sha256":"dcaec461c1750b8cf3a00ceb5d9bef046e66e6d0b1933de000adcdeacd515b5a"}}