{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:GSULEWCNVHIPXHDCJBCT7QQKIP","short_pith_number":"pith:GSULEWCN","schema_version":"1.0","canonical_sha256":"34a8b2584da9d0fb9c6248453fc20a43fbfe742223823118286dc8206776764b","source":{"kind":"arxiv","id":"2210.11602","version":1},"attestation_state":"computed","paper":{"title":"High-precision mass measurement of doubly magic $^{208}$Pb","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"nucl-ex","authors_text":"Christoph H. Keitel, Christoph Schweiger, Chunhai Lyu, Daniel Lange, Jost Herkenhoff, Kathrin Kromer, Klaus Blaum, Menno Door, Pavel Filianin, Sergey Eliseev, Wenjia Huang, Yuri N. Novikov, Zolt\\'an Harman","submitted_at":"2022-10-20T21:22:04Z","abstract_excerpt":"The absolute atomic mass of $^{208}$Pb has been determined with a fractional uncertainty of $7\\times 10^{-11}$ by measuring the cyclotron-frequency ratio $R$ of $^{208}$Pb$^{41+}$ to $^{132}$Xe$^{26+}$ with the high-precision Penning-trap mass spectrometer Pentatrap and computing the binding energies $E_{\\text{Pb}}$ and $E_{\\text{Xe}}$ of the missing 41 and 26 atomic electrons, respectively, with the ab initio fully relativistic multi-configuration Dirac-Hartree-Fock (MCDHF) method. $R$ has been measured with a relative precision of $9\\times 10^{-12}$. $E_{\\text{Pb}}$ and $E_{\\text{Xe}}$ have "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2210.11602","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2022-10-20T21:22:04Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"a70dea5cd3b7ee6bf17e501407ee9951e65830645ad8d964aa26cb0240a5dacd","abstract_canon_sha256":"77b933bcff9480eebb256ea72dac89040641d122c2e0aad59b8dd8912b34aece"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:11:44.151230Z","signature_b64":"+0Z5FSMA1gBEt5pyTNnzAZpYqyaXJWtWKsmlbopd0CK/0PCUloPHeyX/S/Ryxmf2gb5a/6q5S41g+memzq9UDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34a8b2584da9d0fb9c6248453fc20a43fbfe742223823118286dc8206776764b","last_reissued_at":"2026-07-05T05:11:44.150824Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:11:44.150824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-precision mass measurement of doubly magic $^{208}$Pb","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"nucl-ex","authors_text":"Christoph H. Keitel, Christoph Schweiger, Chunhai Lyu, Daniel Lange, Jost Herkenhoff, Kathrin Kromer, Klaus Blaum, Menno Door, Pavel Filianin, Sergey Eliseev, Wenjia Huang, Yuri N. Novikov, Zolt\\'an Harman","submitted_at":"2022-10-20T21:22:04Z","abstract_excerpt":"The absolute atomic mass of $^{208}$Pb has been determined with a fractional uncertainty of $7\\times 10^{-11}$ by measuring the cyclotron-frequency ratio $R$ of $^{208}$Pb$^{41+}$ to $^{132}$Xe$^{26+}$ with the high-precision Penning-trap mass spectrometer Pentatrap and computing the binding energies $E_{\\text{Pb}}$ and $E_{\\text{Xe}}$ of the missing 41 and 26 atomic electrons, respectively, with the ab initio fully relativistic multi-configuration Dirac-Hartree-Fock (MCDHF) method. $R$ has been measured with a relative precision of $9\\times 10^{-12}$. $E_{\\text{Pb}}$ and $E_{\\text{Xe}}$ have "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.11602","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.11602/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2210.11602","created_at":"2026-07-05T05:11:44.150889+00:00"},{"alias_kind":"arxiv_version","alias_value":"2210.11602v1","created_at":"2026-07-05T05:11:44.150889+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.11602","created_at":"2026-07-05T05:11:44.150889+00:00"},{"alias_kind":"pith_short_12","alias_value":"GSULEWCNVHIP","created_at":"2026-07-05T05:11:44.150889+00:00"},{"alias_kind":"pith_short_16","alias_value":"GSULEWCNVHIPXHDC","created_at":"2026-07-05T05:11:44.150889+00:00"},{"alias_kind":"pith_short_8","alias_value":"GSULEWCN","created_at":"2026-07-05T05:11:44.150889+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP","json":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP.json","graph_json":"https://pith.science/api/pith-number/GSULEWCNVHIPXHDCJBCT7QQKIP/graph.json","events_json":"https://pith.science/api/pith-number/GSULEWCNVHIPXHDCJBCT7QQKIP/events.json","paper":"https://pith.science/paper/GSULEWCN"},"agent_actions":{"view_html":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP","download_json":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP.json","view_paper":"https://pith.science/paper/GSULEWCN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2210.11602&json=true","fetch_graph":"https://pith.science/api/pith-number/GSULEWCNVHIPXHDCJBCT7QQKIP/graph.json","fetch_events":"https://pith.science/api/pith-number/GSULEWCNVHIPXHDCJBCT7QQKIP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP/action/storage_attestation","attest_author":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP/action/author_attestation","sign_citation":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP/action/citation_signature","submit_replication":"https://pith.science/pith/GSULEWCNVHIPXHDCJBCT7QQKIP/action/replication_record"}},"created_at":"2026-07-05T05:11:44.150889+00:00","updated_at":"2026-07-05T05:11:44.150889+00:00"}