{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:M2S5HCV522OGRAJ4L5SEMHP6TE","short_pith_number":"pith:M2S5HCV5","canonical_record":{"source":{"id":"1411.7350","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-26T19:54:49Z","cross_cats_sorted":[],"title_canon_sha256":"a9727e0741904f6ee4abc3b251e2ed3fed21d429c6195207d18260b6eb517e01","abstract_canon_sha256":"45534b6b9ba32266dcc6ee5bd05eabfd085163104b4ebfe823e629a6ce7d1b24"},"schema_version":"1.0"},"canonical_sha256":"66a5d38abdd69c68813c5f64461dfe991d13b2001af6f7c264ac84c59203aa5c","source":{"kind":"arxiv","id":"1411.7350","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7350","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7350v2","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7350","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"M2S5HCV522OG","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"M2S5HCV522OGRAJ4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"M2S5HCV5","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:M2S5HCV522OGRAJ4L5SEMHP6TE","target":"record","payload":{"canonical_record":{"source":{"id":"1411.7350","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-26T19:54:49Z","cross_cats_sorted":[],"title_canon_sha256":"a9727e0741904f6ee4abc3b251e2ed3fed21d429c6195207d18260b6eb517e01","abstract_canon_sha256":"45534b6b9ba32266dcc6ee5bd05eabfd085163104b4ebfe823e629a6ce7d1b24"},"schema_version":"1.0"},"canonical_sha256":"66a5d38abdd69c68813c5f64461dfe991d13b2001af6f7c264ac84c59203aa5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:25.586870Z","signature_b64":"huO+S3lVCFf82ZKJkRcr/haeJEw36hrFBpXybnGxN6+bQnSNEPpXAMzqOa45HpDt8biehVsyBIVvQxOWT39xDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66a5d38abdd69c68813c5f64461dfe991d13b2001af6f7c264ac84c59203aa5c","last_reissued_at":"2026-05-18T01:41:25.586293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:25.586293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.7350","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":"2026-05-18T01:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F4NowQFiNaUe2t5+OpmXczNDQ3QFp/knFHbnsG+N4fWtoULe/K/MKnsn9OB559W9ovu9CebvbYmal1fKoed/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:52:19.218364Z"},"content_sha256":"a2d330b4cd7e7c884abb5a5ce146b03a706d61d8b85ee32979cd7d7144ab41a4","schema_version":"1.0","event_id":"sha256:a2d330b4cd7e7c884abb5a5ce146b03a706d61d8b85ee32979cd7d7144ab41a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:M2S5HCV522OGRAJ4L5SEMHP6TE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\eta_c$ production at LHC and indications on the understanding of $J/\\psi$ production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ce Meng, Hao Han, Hua-Sheng Shao, Kuang-Ta Chao, Yan-Qing Ma","submitted_at":"2014-11-26T19:54:49Z","abstract_excerpt":"We present a complete evaluation for the prompt $\\eta_c$ production at the LHC at next-to-leading order in $\\alpha_s$ in nonrelativistic QCD. By assuming heavy quark spin symmetry, the recently observed $\\eta_c$ production data by LHCb results in a very strong constraint on the upper bound of the color-octet long distance matrix element $1S0$ of $J/\\psi$. We find this upper bound is consistent with our previous study of the $J/\\psi$ yield and polarization and can give good descriptions for the measurements, but inconsistent with some other theoretical estimates. This may provide important info"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7350","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":"2026-05-18T01:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tD9oVNAVz6HRsdKWgsxOtgiKfMIkI5WW0gOV6omj0XuPLWqb2heHemsePWAv4FwQUnnMx3QOp5Y2FIkOIRPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:52:19.219076Z"},"content_sha256":"6522d3f834db5cf84540fb6103bab37513798c55b78c8cfd98ebdcf3d1043e1f","schema_version":"1.0","event_id":"sha256:6522d3f834db5cf84540fb6103bab37513798c55b78c8cfd98ebdcf3d1043e1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M2S5HCV522OGRAJ4L5SEMHP6TE/bundle.json","state_url":"https://pith.science/pith/M2S5HCV522OGRAJ4L5SEMHP6TE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M2S5HCV522OGRAJ4L5SEMHP6TE/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":"2026-05-25T08:52:19Z","links":{"resolver":"https://pith.science/pith/M2S5HCV522OGRAJ4L5SEMHP6TE","bundle":"https://pith.science/pith/M2S5HCV522OGRAJ4L5SEMHP6TE/bundle.json","state":"https://pith.science/pith/M2S5HCV522OGRAJ4L5SEMHP6TE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M2S5HCV522OGRAJ4L5SEMHP6TE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:M2S5HCV522OGRAJ4L5SEMHP6TE","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":"45534b6b9ba32266dcc6ee5bd05eabfd085163104b4ebfe823e629a6ce7d1b24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-26T19:54:49Z","title_canon_sha256":"a9727e0741904f6ee4abc3b251e2ed3fed21d429c6195207d18260b6eb517e01"},"schema_version":"1.0","source":{"id":"1411.7350","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7350","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7350v2","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7350","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"M2S5HCV522OG","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"M2S5HCV522OGRAJ4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"M2S5HCV5","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:6522d3f834db5cf84540fb6103bab37513798c55b78c8cfd98ebdcf3d1043e1f","target":"graph","created_at":"2026-05-18T01:41:25Z","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 complete evaluation for the prompt $\\eta_c$ production at the LHC at next-to-leading order in $\\alpha_s$ in nonrelativistic QCD. By assuming heavy quark spin symmetry, the recently observed $\\eta_c$ production data by LHCb results in a very strong constraint on the upper bound of the color-octet long distance matrix element $1S0$ of $J/\\psi$. We find this upper bound is consistent with our previous study of the $J/\\psi$ yield and polarization and can give good descriptions for the measurements, but inconsistent with some other theoretical estimates. This may provide important info","authors_text":"Ce Meng, Hao Han, Hua-Sheng Shao, Kuang-Ta Chao, Yan-Qing Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-26T19:54:49Z","title":"$\\eta_c$ production at LHC and indications on the understanding of $J/\\psi$ production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7350","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:a2d330b4cd7e7c884abb5a5ce146b03a706d61d8b85ee32979cd7d7144ab41a4","target":"record","created_at":"2026-05-18T01:41:25Z","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":"45534b6b9ba32266dcc6ee5bd05eabfd085163104b4ebfe823e629a6ce7d1b24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-26T19:54:49Z","title_canon_sha256":"a9727e0741904f6ee4abc3b251e2ed3fed21d429c6195207d18260b6eb517e01"},"schema_version":"1.0","source":{"id":"1411.7350","kind":"arxiv","version":2}},"canonical_sha256":"66a5d38abdd69c68813c5f64461dfe991d13b2001af6f7c264ac84c59203aa5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66a5d38abdd69c68813c5f64461dfe991d13b2001af6f7c264ac84c59203aa5c","first_computed_at":"2026-05-18T01:41:25.586293Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:25.586293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"huO+S3lVCFf82ZKJkRcr/haeJEw36hrFBpXybnGxN6+bQnSNEPpXAMzqOa45HpDt8biehVsyBIVvQxOWT39xDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:25.586870Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.7350","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2d330b4cd7e7c884abb5a5ce146b03a706d61d8b85ee32979cd7d7144ab41a4","sha256:6522d3f834db5cf84540fb6103bab37513798c55b78c8cfd98ebdcf3d1043e1f"],"state_sha256":"925ee8b8dabf46d8f6f1cf531ef4d710ebc038adea6fff097d1b65a9c98ab75c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RN+1AC5VlR8TERJyNpRbgyjy0JLd2FgJw7PYwv4BsXTKr4S1csG7C/cYms0KEZMp5HBQbOSkFNVAWWHjn9VnAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:52:19.223104Z","bundle_sha256":"11b8529fd4f9c169e0eddcf3df2afdc0e6209acfc431b55fa5f76c980afa400c"}}