{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:N46M6FVLIOLKI6JIYL3W5NQSD6","short_pith_number":"pith:N46M6FVL","canonical_record":{"source":{"id":"1806.08826","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-06-22T19:11:34Z","cross_cats_sorted":[],"title_canon_sha256":"a2d731b928fd0b2b8e79b20204f03badb59dcce720bf4a0f85dc899c85487d21","abstract_canon_sha256":"9bfb00ee6c729dc1104dff03b3b08075353dc706941df3fe6d9378b7553304b5"},"schema_version":"1.0"},"canonical_sha256":"6f3ccf16ab4396a47928c2f76eb6121f89a42283a86b615b44bff4873731fd33","source":{"kind":"arxiv","id":"1806.08826","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08826","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08826v2","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08826","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"N46M6FVLIOLK","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N46M6FVLIOLKI6JI","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N46M6FVL","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:N46M6FVLIOLKI6JIYL3W5NQSD6","target":"record","payload":{"canonical_record":{"source":{"id":"1806.08826","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-06-22T19:11:34Z","cross_cats_sorted":[],"title_canon_sha256":"a2d731b928fd0b2b8e79b20204f03badb59dcce720bf4a0f85dc899c85487d21","abstract_canon_sha256":"9bfb00ee6c729dc1104dff03b3b08075353dc706941df3fe6d9378b7553304b5"},"schema_version":"1.0"},"canonical_sha256":"6f3ccf16ab4396a47928c2f76eb6121f89a42283a86b615b44bff4873731fd33","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:54.818170Z","signature_b64":"eYrjEFZH3CHxMtBKFqWpfT/cF8rWvQ23tHdWnZ56HpqAV1/ReoLn9WPQVM/BmJ9t/HKzQZKbtXzWmOfKRu0BCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f3ccf16ab4396a47928c2f76eb6121f89a42283a86b615b44bff4873731fd33","last_reissued_at":"2026-05-18T00:00:54.817576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:54.817576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.08826","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":"2026-05-18T00:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cIjG2jtvi8h4TLRpvlaEpChpGRB4M0purk0wEFpFy8WSXRplA1H2ddjt06aAhnQ+gDmC9m6sMgMfCgnoR/QYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:10:01.026914Z"},"content_sha256":"cb1d732ffd7468fe795f8824301f6a94581016cab45ee45332e17bf01baa8676","schema_version":"1.0","event_id":"sha256:cb1d732ffd7468fe795f8824301f6a94581016cab45ee45332e17bf01baa8676"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:N46M6FVLIOLKI6JIYL3W5NQSD6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring the Variation in Nuclear Charge Radius of Xe Isotopes by EUV Spectroscopy of Highly-Charged Na-like Ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. Borovik Jr, A.C.C. Villari, A. Lapierre, Dipti, E. Takacs, G. Gwinner, J.D. Gillaspy, J.M. Dreiling, R. Silwal, S.A. Blundell, Yu. Ralchenko","submitted_at":"2018-06-22T19:11:34Z","abstract_excerpt":"The variation in mean-square nuclear charge radius of xenon isotopes was measured utilizing a new method based on extreme ultraviolet spectroscopy of highly charged Na-like ions. The isotope shift of the Na-like D1 (3s $^{2}$S$_{1/2}$ - 3p $^2$P$_{1/2}$) transition between the $^{124}$Xe and $^{136}$Xe isotopes was experimentally determined using the electron beam ion trap facility at the National Institute of Standards and Technology. The mass shift and the field shift coefficients were calculated with enhanced precision by relativistic many-body perturbation theory and multi-configuration Di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08826","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":"2026-05-18T00:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gqc81LmXL5pFQrRgRA0P4H5w4p0ijmXA96xRGEzcoTC8EehGrxFvsV8WOyYCkJMY2EC0koKcfah9mUF/ju+oDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:10:01.027392Z"},"content_sha256":"8d18e7e8756e220ceee77c45c5f24efa71de8aeabfd2b4166ea15ca1564f09ee","schema_version":"1.0","event_id":"sha256:8d18e7e8756e220ceee77c45c5f24efa71de8aeabfd2b4166ea15ca1564f09ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N46M6FVLIOLKI6JIYL3W5NQSD6/bundle.json","state_url":"https://pith.science/pith/N46M6FVLIOLKI6JIYL3W5NQSD6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N46M6FVLIOLKI6JIYL3W5NQSD6/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":"2026-05-27T13:10:01Z","links":{"resolver":"https://pith.science/pith/N46M6FVLIOLKI6JIYL3W5NQSD6","bundle":"https://pith.science/pith/N46M6FVLIOLKI6JIYL3W5NQSD6/bundle.json","state":"https://pith.science/pith/N46M6FVLIOLKI6JIYL3W5NQSD6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N46M6FVLIOLKI6JIYL3W5NQSD6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:N46M6FVLIOLKI6JIYL3W5NQSD6","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":"9bfb00ee6c729dc1104dff03b3b08075353dc706941df3fe6d9378b7553304b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-06-22T19:11:34Z","title_canon_sha256":"a2d731b928fd0b2b8e79b20204f03badb59dcce720bf4a0f85dc899c85487d21"},"schema_version":"1.0","source":{"id":"1806.08826","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08826","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08826v2","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08826","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"N46M6FVLIOLK","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N46M6FVLIOLKI6JI","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N46M6FVL","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:8d18e7e8756e220ceee77c45c5f24efa71de8aeabfd2b4166ea15ca1564f09ee","target":"graph","created_at":"2026-05-18T00:00:54Z","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 variation in mean-square nuclear charge radius of xenon isotopes was measured utilizing a new method based on extreme ultraviolet spectroscopy of highly charged Na-like ions. The isotope shift of the Na-like D1 (3s $^{2}$S$_{1/2}$ - 3p $^2$P$_{1/2}$) transition between the $^{124}$Xe and $^{136}$Xe isotopes was experimentally determined using the electron beam ion trap facility at the National Institute of Standards and Technology. The mass shift and the field shift coefficients were calculated with enhanced precision by relativistic many-body perturbation theory and multi-configuration Di","authors_text":"A. Borovik Jr, A.C.C. Villari, A. Lapierre, Dipti, E. Takacs, G. Gwinner, J.D. Gillaspy, J.M. Dreiling, R. Silwal, S.A. Blundell, Yu. Ralchenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-06-22T19:11:34Z","title":"Measuring the Variation in Nuclear Charge Radius of Xe Isotopes by EUV Spectroscopy of Highly-Charged Na-like Ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08826","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:cb1d732ffd7468fe795f8824301f6a94581016cab45ee45332e17bf01baa8676","target":"record","created_at":"2026-05-18T00:00:54Z","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":"9bfb00ee6c729dc1104dff03b3b08075353dc706941df3fe6d9378b7553304b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-06-22T19:11:34Z","title_canon_sha256":"a2d731b928fd0b2b8e79b20204f03badb59dcce720bf4a0f85dc899c85487d21"},"schema_version":"1.0","source":{"id":"1806.08826","kind":"arxiv","version":2}},"canonical_sha256":"6f3ccf16ab4396a47928c2f76eb6121f89a42283a86b615b44bff4873731fd33","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f3ccf16ab4396a47928c2f76eb6121f89a42283a86b615b44bff4873731fd33","first_computed_at":"2026-05-18T00:00:54.817576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:54.817576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eYrjEFZH3CHxMtBKFqWpfT/cF8rWvQ23tHdWnZ56HpqAV1/ReoLn9WPQVM/BmJ9t/HKzQZKbtXzWmOfKRu0BCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:54.818170Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.08826","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb1d732ffd7468fe795f8824301f6a94581016cab45ee45332e17bf01baa8676","sha256:8d18e7e8756e220ceee77c45c5f24efa71de8aeabfd2b4166ea15ca1564f09ee"],"state_sha256":"a34ec0e501a0399dea086f1d06af2808fbc9e035445b95c7c755e9a19c4e9245"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sys2QMEfHDb3pmsc341ZLsAs2TczrcQS/K6RloFIS4FFyjXHpzXCfv2aVRmmMkhtc7FwNLL+Lh8G0k8hTTBdCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:10:01.030288Z","bundle_sha256":"595664396b4826aeb34da3e85a35fd5df9187d86f3e7c49840ec4cd13a490843"}}