{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6X3S4EBETCDZLXNJB3TPNKERZ7","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":"21f7cf99ed1719085696fc4219b58fc0aae2585828866e6966ed94be523c0d1c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-12-16T21:12:58Z","title_canon_sha256":"1cd44aca94e50feb5b7e870a882bc5a9a6fa865dbb6b50ae07f9a16da9519779"},"schema_version":"1.0","source":{"id":"1912.07706","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.07706","created_at":"2026-07-05T01:01:37Z"},{"alias_kind":"arxiv_version","alias_value":"1912.07706v3","created_at":"2026-07-05T01:01:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.07706","created_at":"2026-07-05T01:01:37Z"},{"alias_kind":"pith_short_12","alias_value":"6X3S4EBETCDZ","created_at":"2026-07-05T01:01:37Z"},{"alias_kind":"pith_short_16","alias_value":"6X3S4EBETCDZLXNJ","created_at":"2026-07-05T01:01:37Z"},{"alias_kind":"pith_short_8","alias_value":"6X3S4EBE","created_at":"2026-07-05T01:01:37Z"}],"graph_snapshots":[{"event_id":"sha256:ed7ec4888ee2cec8c6824dc3bc57e19eb3dbcc0a9bd966d1d1879220521f01fd","target":"graph","created_at":"2026-07-05T01:01:37Z","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/1912.07706/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The polarizations of promptly produced $\\chi_\\mathrm{c1}$ and $\\chi_\\mathrm{c2}$ mesons are studied using data collected by the CMS experiment at the LHC, in proton-proton collisions at $\\sqrt{s} = $ 8 TeV. The $\\chi_\\mathrm{c}$ states are reconstructed via their radiative decays $\\chi_\\mathrm{c}$ $\\to$ $\\mathrm{J}/\\psi\\, \\gamma$, with the photons being measured through conversions to e$^+$e$^-$, which allows the two states to be well resolved. The polarizations are measured in the helicity frame, through the analysis of the $\\chi_\\mathrm{c2}$ to $\\chi_\\mathrm{c1}$ yield ratio as a function of","authors_text":"CMS Collaboration","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-12-16T21:12:58Z","title":"Constraints on the $\\chi_\\mathrm{c1}$ versus $\\chi_\\mathrm{c2}$ polarizations in proton-proton collisions at $\\sqrt{s} =$ 8 TeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.07706","kind":"arxiv","version":3},"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":"sha256:52d890e72a0ccad8776d5067a116f4dc4f9280227bc6243998149e829ef48709","target":"record","created_at":"2026-07-05T01:01:37Z","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":"21f7cf99ed1719085696fc4219b58fc0aae2585828866e6966ed94be523c0d1c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-12-16T21:12:58Z","title_canon_sha256":"1cd44aca94e50feb5b7e870a882bc5a9a6fa865dbb6b50ae07f9a16da9519779"},"schema_version":"1.0","source":{"id":"1912.07706","kind":"arxiv","version":3}},"canonical_sha256":"f5f72e1024988795dda90ee6f6a891cfde7ae25afe450fcefb89c09add2de6ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5f72e1024988795dda90ee6f6a891cfde7ae25afe450fcefb89c09add2de6ab","first_computed_at":"2026-07-05T01:01:37.619885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:01:37.619885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U5laMg9WB7+trvGy7TmNnRek8iIRr/ub6rccVIoROxRcoTa3zQPkPI8fmzGIcknwn/q12Q/x6OOqXFKdudoYAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:01:37.620275Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.07706","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52d890e72a0ccad8776d5067a116f4dc4f9280227bc6243998149e829ef48709","sha256:ed7ec4888ee2cec8c6824dc3bc57e19eb3dbcc0a9bd966d1d1879220521f01fd"],"state_sha256":"30663e1e80338744010fe8e4d27b5018e37f841d247021c756719ef61ca894ae"}