{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:OYHVLEIXJKB267NWJZAFNLDVI5","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":"5c961ee3dc84252ecde0eca82fdd0a87598a1074b51175b94a7ba23b6ac7e19a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2007-10-31T15:53:33Z","title_canon_sha256":"e8f7a217a3a8f64e3a9dd2814b4c004100de19ef9e269abe1be45e29b99d517d"},"schema_version":"1.0","source":{"id":"0710.5892","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.5892","created_at":"2026-07-04T15:35:25Z"},{"alias_kind":"arxiv_version","alias_value":"0710.5892v1","created_at":"2026-07-04T15:35:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.5892","created_at":"2026-07-04T15:35:25Z"},{"alias_kind":"pith_short_12","alias_value":"OYHVLEIXJKB2","created_at":"2026-07-04T15:35:25Z"},{"alias_kind":"pith_short_16","alias_value":"OYHVLEIXJKB267NW","created_at":"2026-07-04T15:35:25Z"},{"alias_kind":"pith_short_8","alias_value":"OYHVLEIX","created_at":"2026-07-04T15:35:25Z"}],"graph_snapshots":[{"event_id":"sha256:a50a2685b56ed38b61e36ccedab285f07225a12f602ee271cf8496fe778e5a50","target":"graph","created_at":"2026-07-04T15:35:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0710.5892/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present precise measurements of the eta and K0 masses using the processes phi to eta gamma, eta to gamma gamma and phi to Ks Kl, Ks to pi+ pi-. The K0 mass measurement, M_K=497.583 +/- 0.005 (stat) +/- 0.020 (syst) MeV, is in acceptable agreement with the previous measurements but is more accurate. We find m(eta) = 547.874 +/- 0.007 (stat) +/- 0.031 (syst) MeV. Our value is the most accurate to date and is in agreement with two recent measurements based on eta decays, but is inconsistent, by about 10 sigma, with a measurement of comparable precision based on eta production at threshold.","authors_text":"A. Antonelli, A. Denig, A. De Santis, A. Di Domenico, A. Doria, A. Ferrari, A. Passeri, A. Sciubba, A. Sibidanov, B. Di Micco, B. Sciascia, C. Bacci, C. Bini, C. Bloise, C. Di Donato, C. Forti, C. Gatti, D. Leone, E. De Lucia, E. Gorini, E. Graziani, E. Pasqualucci, F. Ambrosino, F. Archilli, F. Bossi, F. Ceradini, F. Lacava, F. Murtas, F. Nguyen, F. Perfetto, G. Bencivenni, G. Capon, G. Chiefari, G. De Zorzi, G. Felici, G. Lanfranchi, G. Saracino, G. Venanzoni, G. Xu, J. Lee-Franzini, L. Tortora, M. Antonelli, M. Dreucci, M.L. Ferrer, M. Martini, M. Moulson, M. Napolitano, M. Palutan, M. Primavera, M. Testa, P. Beltrame, P. Branchini, P. Campana, P. Ciambrone, P. De Simone, P. Franzini, P. Gauzzi, P. Massarotti, P. Santangelo, P. Valente, R. Caloi, R. Versaci, S. Bertolucci, S. Bocchetta, S. Chi, S. Fiore, S. Giovannella, S. Meola, S. Miscetti, S. Muller, T. Capussela, T. Spadaro, V. Kulikov, V. Patera, W. Kluge, W. Mei","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2007-10-31T15:53:33Z","title":"Precise measurements of the eta and the neutral kaon meson masses with the KLOE detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.5892","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:df635700140c140ad203127dc1a11acf0d862f46ca2ccee051c3fe1274e13bce","target":"record","created_at":"2026-07-04T15:35:25Z","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":"5c961ee3dc84252ecde0eca82fdd0a87598a1074b51175b94a7ba23b6ac7e19a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2007-10-31T15:53:33Z","title_canon_sha256":"e8f7a217a3a8f64e3a9dd2814b4c004100de19ef9e269abe1be45e29b99d517d"},"schema_version":"1.0","source":{"id":"0710.5892","kind":"arxiv","version":1}},"canonical_sha256":"760f5591174a83af7db64e4056ac75474e72f8a7b4766fe645afb4707f48eb01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"760f5591174a83af7db64e4056ac75474e72f8a7b4766fe645afb4707f48eb01","first_computed_at":"2026-07-04T15:35:25.255474Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:35:25.255474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UaE0wcC3Z79jvugKB/IlbX+VxbDnYs/Kv51GTJKyur4buVwPBeHWRK+7P7ccmVw1T8bU9ms+kE1K4NgFgejqBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:35:25.255876Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.5892","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df635700140c140ad203127dc1a11acf0d862f46ca2ccee051c3fe1274e13bce","sha256:a50a2685b56ed38b61e36ccedab285f07225a12f602ee271cf8496fe778e5a50"],"state_sha256":"36266bca63c783555420e3a86360bc753643e6d3193878e08b0d561cef6ea6ec"}