{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2NMECEDOVB442MIME6N2TZWDEK","short_pith_number":"pith:2NMECEDO","canonical_record":{"source":{"id":"1302.4162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-18T05:34:01Z","cross_cats_sorted":[],"title_canon_sha256":"83f57ee0276438e5ca17f077e19275c14b6281012dcb32f89636fcab74e268e9","abstract_canon_sha256":"b683691fdde4216afa240225728b35a65ebe083e8172206707129e8194708857"},"schema_version":"1.0"},"canonical_sha256":"d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd","source":{"kind":"arxiv","id":"1302.4162","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4162","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4162v1","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4162","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"2NMECEDOVB44","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2NMECEDOVB442MIM","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2NMECEDO","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2NMECEDOVB442MIME6N2TZWDEK","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-18T05:34:01Z","cross_cats_sorted":[],"title_canon_sha256":"83f57ee0276438e5ca17f077e19275c14b6281012dcb32f89636fcab74e268e9","abstract_canon_sha256":"b683691fdde4216afa240225728b35a65ebe083e8172206707129e8194708857"},"schema_version":"1.0"},"canonical_sha256":"d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:23.956403Z","signature_b64":"Dch9pMlM8QCoM9gZoK7S0eUdqfAFydbWr0n/Li5w4+old1lP8IG+W3n0xWoSpdwwvCgpVGcuFN4mnOrisnuXCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd","last_reissued_at":"2026-05-18T03:33:23.955871Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:23.955871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4162","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":"2026-05-18T03:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sOxwpd+KgAn5C0gh7ayI8dgJz36Z7Hw0hJ4FUDQqrl72kbVfHRp7UcBDPQEn9JW6xL+0i+9rxVxpv0XMZihgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:47:14.356686Z"},"content_sha256":"5106af732f4a069c48ccb1eae073650802d12feab571a91158990c8319a05563","schema_version":"1.0","event_id":"sha256:5106af732f4a069c48ccb1eae073650802d12feab571a91158990c8319a05563"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2NMECEDOVB442MIME6N2TZWDEK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hyperfine frequencies of 87Rb and 133Cs atoms in Xe gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"B. H. McGuyer, T. Xia, W. Happer","submitted_at":"2013-02-18T05:34:01Z","abstract_excerpt":"The microwave resonant frequencies of ground-state 87Rb and 133Cs atoms in Xe buffer gas are shown to have a relatively large nonlinear dependence on the Xe pressure, presumably because of RbXe or CsXe van der Waals molecules. The nonlinear shifts for Xe are opposite in sign to the previously measured shifts for Ar and Kr, even though all three gases have negative linear shifts. The Xe data show striking discrepancies with the previous theory for nonlinear shifts. Most of this discrepancy is eliminated by accounting for the spin-rotation interaction in addition to the hyperfine-shift interacti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4162","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":""},"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":"2026-05-18T03:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z2qCzXGlKInRvHnjjOtW/oLpaPRwwwM7m7x4gGxlprBR8cc4OKwD2Hy5cuikG8XGbCE/2dnrwKVTJ/Ask+WcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:47:14.357401Z"},"content_sha256":"01130ad49106b8fcfd3611291f778e64fd33a22a6f3df4fd9d53933b046fe400","schema_version":"1.0","event_id":"sha256:01130ad49106b8fcfd3611291f778e64fd33a22a6f3df4fd9d53933b046fe400"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NMECEDOVB442MIME6N2TZWDEK/bundle.json","state_url":"https://pith.science/pith/2NMECEDOVB442MIME6N2TZWDEK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NMECEDOVB442MIME6N2TZWDEK/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":"2026-05-25T22:47:14Z","links":{"resolver":"https://pith.science/pith/2NMECEDOVB442MIME6N2TZWDEK","bundle":"https://pith.science/pith/2NMECEDOVB442MIME6N2TZWDEK/bundle.json","state":"https://pith.science/pith/2NMECEDOVB442MIME6N2TZWDEK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NMECEDOVB442MIME6N2TZWDEK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2NMECEDOVB442MIME6N2TZWDEK","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":"b683691fdde4216afa240225728b35a65ebe083e8172206707129e8194708857","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-18T05:34:01Z","title_canon_sha256":"83f57ee0276438e5ca17f077e19275c14b6281012dcb32f89636fcab74e268e9"},"schema_version":"1.0","source":{"id":"1302.4162","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4162","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4162v1","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4162","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"2NMECEDOVB44","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2NMECEDOVB442MIM","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2NMECEDO","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:01130ad49106b8fcfd3611291f778e64fd33a22a6f3df4fd9d53933b046fe400","target":"graph","created_at":"2026-05-18T03:33:23Z","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":"The microwave resonant frequencies of ground-state 87Rb and 133Cs atoms in Xe buffer gas are shown to have a relatively large nonlinear dependence on the Xe pressure, presumably because of RbXe or CsXe van der Waals molecules. The nonlinear shifts for Xe are opposite in sign to the previously measured shifts for Ar and Kr, even though all three gases have negative linear shifts. The Xe data show striking discrepancies with the previous theory for nonlinear shifts. Most of this discrepancy is eliminated by accounting for the spin-rotation interaction in addition to the hyperfine-shift interacti","authors_text":"B. H. McGuyer, T. Xia, W. Happer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-18T05:34:01Z","title":"Hyperfine frequencies of 87Rb and 133Cs atoms in Xe gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4162","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":"sha256:5106af732f4a069c48ccb1eae073650802d12feab571a91158990c8319a05563","target":"record","created_at":"2026-05-18T03:33:23Z","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":"b683691fdde4216afa240225728b35a65ebe083e8172206707129e8194708857","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-18T05:34:01Z","title_canon_sha256":"83f57ee0276438e5ca17f077e19275c14b6281012dcb32f89636fcab74e268e9"},"schema_version":"1.0","source":{"id":"1302.4162","kind":"arxiv","version":1}},"canonical_sha256":"d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd","first_computed_at":"2026-05-18T03:33:23.955871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:23.955871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dch9pMlM8QCoM9gZoK7S0eUdqfAFydbWr0n/Li5w4+old1lP8IG+W3n0xWoSpdwwvCgpVGcuFN4mnOrisnuXCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:23.956403Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4162","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5106af732f4a069c48ccb1eae073650802d12feab571a91158990c8319a05563","sha256:01130ad49106b8fcfd3611291f778e64fd33a22a6f3df4fd9d53933b046fe400"],"state_sha256":"5e1dd1f1cc5979abd0ac5486c03949e94578dee3dc289e916ba55943373690a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tpNu/TZVN8Vat5ZLzWsPa+A0VrznqD/psSyDH4KiN5LZNcGXmrhNyQ+wbYhFo/yzUuJ9RcgmOL0eadWsRsVAAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:47:14.361118Z","bundle_sha256":"fa35da9b45db7f4f01f671d764dff25c8edb7bc3a601b7338917d9e5d883091f"}}