{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:EZPMK7ZCMLT24KBDTQMJW6FGV4","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":"a6375a151ecda713f89e224e2486f61009bb06f5e5937d1405f9439df010059e","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2006-11-13T16:25:38Z","title_canon_sha256":"7605522b12a49efaea2bbec9ca537dcdbaaf3265aa8bf52925b903f06dbb6f6d"},"schema_version":"1.0","source":{"id":"physics/0611121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0611121","created_at":"2026-05-18T03:24:20Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0611121v1","created_at":"2026-05-18T03:24:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0611121","created_at":"2026-05-18T03:24:20Z"},{"alias_kind":"pith_short_12","alias_value":"EZPMK7ZCMLT2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"EZPMK7ZCMLT24KBD","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"EZPMK7ZC","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:90df676768d7a9829975a3d15359343d719d53e314fc2c9fc85b2f689a85e741","target":"graph","created_at":"2026-05-18T03:24:20Z","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":"Metastable ${2S}$ muonic-hydrogen atoms undergo collisional ${2S}$-quenching, with rates which depend strongly on whether the $\\mu p$ kinetic energy is above or below the ${2S}\\to {2P}$ energy threshold. Above threshold, collisional ${2S} \\to {2P}$ excitation followed by fast radiative ${2P} \\to {1S}$ deexcitation is allowed. The corresponding short-lived $\\mu p ({2S})$ component was measured at 0.6 hPa $\\mathrm{H}_2$ room temperature gas pressure, with lifetime $\\tau_{2S}^\\mathrm{short} = 165 ^{+38}_{-29}$ ns (i.e., $\\lambda_{2S}^\\mathrm{quench} = 7.9 ^{+1.8}_{-1.6} \\times 10^{12} \\mathrm{s}^","authors_text":"A. Antognini, A. Dax, C.A.N.Conde, C.M.B. Monteiro, C. Schwob, D.Taqqu, F. Biraben, F.D. Amaro, F. Kottmann, F. Mulhauser, F. Nez, J.A.M. Lopes, J.F.C.A. Veloso, J.M.F. dos Santos, J.M.R. Cardoso, L.A. Schaller, L. Julien, L. Ludhova, L.M.P. Fernandes, P.E. Knowles, P. Indelicato, P. Rabinowitz, R. Pohl, S. Dhawan, T.W. Haensch, V.W. Hughes, Y.-W. Liu","cross_cats":[],"headline":"","license":"","primary_cat":"physics.atom-ph","submitted_at":"2006-11-13T16:25:38Z","title":"Muonic hydrogen cascade time and lifetime of the short-lived $2S$ state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0611121","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":"sha256:3a01504fa8e458f308254d8e9fed08585816cf32aef0ef44785951a24e3d7615","target":"record","created_at":"2026-05-18T03:24:20Z","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":"a6375a151ecda713f89e224e2486f61009bb06f5e5937d1405f9439df010059e","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2006-11-13T16:25:38Z","title_canon_sha256":"7605522b12a49efaea2bbec9ca537dcdbaaf3265aa8bf52925b903f06dbb6f6d"},"schema_version":"1.0","source":{"id":"physics/0611121","kind":"arxiv","version":1}},"canonical_sha256":"265ec57f2262e7ae28239c189b78a6af336aa9c4c0bcd2d225993725a1274d79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"265ec57f2262e7ae28239c189b78a6af336aa9c4c0bcd2d225993725a1274d79","first_computed_at":"2026-05-18T03:24:20.773426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:20.773426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O6MKSPGDWDfsOKiuoQUtggczU67hvgYZbLzRV/+uiDGQ25cmjwOLzr4zFHKgzmM8uAkwBgx0ObTbqP/swnszDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:20.774051Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0611121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a01504fa8e458f308254d8e9fed08585816cf32aef0ef44785951a24e3d7615","sha256:90df676768d7a9829975a3d15359343d719d53e314fc2c9fc85b2f689a85e741"],"state_sha256":"16c8c710eca090a89fae69f26e27bc70201e136f435e40d8838f39b8099d69cc"}