{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:QEBT77XTA4XFMCOEJEHBC5BBFT","short_pith_number":"pith:QEBT77XT","schema_version":"1.0","canonical_sha256":"81033ffef3072e5609c4490e1174212cd17a7b6d44497781de81bc6dee58a3d5","source":{"kind":"arxiv","id":"1804.11143","version":1},"attestation_state":"computed","paper":{"title":"Dissociation energy of the hydrogen molecule at 10$^{-9}$ accuracy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.chem-ph","authors_text":"C. Cheng, Ch. Jungen, E. J. Salumbides, F. Merkt, H. L. Bethlem, J. A. Agner, J. Hussels, K. S. E. Eikema, L.-G. Tao, M. Beyer, M. Niu, N. J. H\\\"olsch, S.-M. Hu, W. Ubachs","submitted_at":"2018-04-30T12:09:52Z","abstract_excerpt":"The ionization energy of ortho-H$_2$ has been determined to be $E^\\mathrm{o}_\\mathrm{I}(\\mathrm{H}_2)/(hc)=124\\,357.238\\,062(25)$ cm$^{-1}$ from measurements of the GK(1,1)--X(0,1) interval by Doppler-free two-photon spectroscopy using a narrow band 179-nm laser source and the ionization energy of the GK(1,1) state by continuous-wave near-infrared laser spectroscopy. $E^\\mathrm{o}_\\mathrm{I}$(H$_2$) was used to derive the dissociation energy of H$_2$, $D^{N=1}_{0}$(H$_2$), at $35\\,999.582\\,894(25)$ cm$^{-1}$ with a precision that is more than one order of magnitude better than all previous res"},"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":"1804.11143","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-04-30T12:09:52Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"04a4891ca12e298866a5a22bc8795334641fc8fb5602127f8d75e139e8c209d8","abstract_canon_sha256":"d9a73c7632b6b693769f158c1b2cb3ec4120d44061529569ffd51d2b02404750"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:05.196533Z","signature_b64":"n23qnKnEckeBxPerADtnQQuLvVyQUq+BENHglKI5SLJDOKmOXF0/ASNNQyHwhOXrw0ApkV0+WliZxprysQ69BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81033ffef3072e5609c4490e1174212cd17a7b6d44497781de81bc6dee58a3d5","last_reissued_at":"2026-05-18T00:11:05.195739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:05.195739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dissociation energy of the hydrogen molecule at 10$^{-9}$ accuracy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.chem-ph","authors_text":"C. Cheng, Ch. Jungen, E. J. Salumbides, F. Merkt, H. L. Bethlem, J. A. Agner, J. Hussels, K. S. E. Eikema, L.-G. Tao, M. Beyer, M. Niu, N. J. H\\\"olsch, S.-M. Hu, W. Ubachs","submitted_at":"2018-04-30T12:09:52Z","abstract_excerpt":"The ionization energy of ortho-H$_2$ has been determined to be $E^\\mathrm{o}_\\mathrm{I}(\\mathrm{H}_2)/(hc)=124\\,357.238\\,062(25)$ cm$^{-1}$ from measurements of the GK(1,1)--X(0,1) interval by Doppler-free two-photon spectroscopy using a narrow band 179-nm laser source and the ionization energy of the GK(1,1) state by continuous-wave near-infrared laser spectroscopy. $E^\\mathrm{o}_\\mathrm{I}$(H$_2$) was used to derive the dissociation energy of H$_2$, $D^{N=1}_{0}$(H$_2$), at $35\\,999.582\\,894(25)$ cm$^{-1}$ with a precision that is more than one order of magnitude better than all previous res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11143","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1804.11143","created_at":"2026-05-18T00:11:05.195860+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.11143v1","created_at":"2026-05-18T00:11:05.195860+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11143","created_at":"2026-05-18T00:11:05.195860+00:00"},{"alias_kind":"pith_short_12","alias_value":"QEBT77XTA4XF","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"QEBT77XTA4XFMCOE","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"QEBT77XT","created_at":"2026-05-18T12:32:46.962924+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/QEBT77XTA4XFMCOEJEHBC5BBFT","json":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT.json","graph_json":"https://pith.science/api/pith-number/QEBT77XTA4XFMCOEJEHBC5BBFT/graph.json","events_json":"https://pith.science/api/pith-number/QEBT77XTA4XFMCOEJEHBC5BBFT/events.json","paper":"https://pith.science/paper/QEBT77XT"},"agent_actions":{"view_html":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT","download_json":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT.json","view_paper":"https://pith.science/paper/QEBT77XT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.11143&json=true","fetch_graph":"https://pith.science/api/pith-number/QEBT77XTA4XFMCOEJEHBC5BBFT/graph.json","fetch_events":"https://pith.science/api/pith-number/QEBT77XTA4XFMCOEJEHBC5BBFT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT/action/storage_attestation","attest_author":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT/action/author_attestation","sign_citation":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT/action/citation_signature","submit_replication":"https://pith.science/pith/QEBT77XTA4XFMCOEJEHBC5BBFT/action/replication_record"}},"created_at":"2026-05-18T00:11:05.195860+00:00","updated_at":"2026-05-18T00:11:05.195860+00:00"}