{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:44ARGG7SVJOBVXYYDYPODE2XQO","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":"50b46931d7ef444b812ac2f4682d8f3d5c48496c608453921be6c25ac05e05da","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2000-10-05T14:55:34Z","title_canon_sha256":"528fb3376651bb9a5fc8b97e749995c9fd70ce2127949dff866d1d22b854ac0e"},"schema_version":"1.0","source":{"id":"quant-ph/0010019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0010019","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0010019v1","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0010019","created_at":"2026-05-18T02:29:23Z"},{"alias_kind":"pith_short_12","alias_value":"44ARGG7SVJOB","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"44ARGG7SVJOBVXYY","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"44ARGG7S","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:73936ff26c2d2fd2a87719a8528f7bb77cd885a8c9a739b939fab0e4c2cb2a49","target":"graph","created_at":"2026-05-18T02:29:23Z","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 absolute frequency of the In$^{+}$ $5s^{2 1}S_{0}$ - $5s5p^{3}P_{0}$ clock transition at 237 nm was measured with an accuracy of 1.8 parts in $10^{13}$. Using a phase-coherent frequency chain, we compared the $^{1}S_{0}$ - $^{3}P_{0}$ transition with a methane-stabilized He-Ne laser at 3.39 $\\mu$m which was calibrated against an atomic cesium fountain clock. A frequency gap of 37 THz at the fourth harmonic of the He-Ne standard was bridged by a frequency comb generated by a mode-locked femtosecond laser. The frequency of the In$^{+}$ clock transition was found to be $1 267 402 452 899.92 (","authors_text":"A. Yu. Nevsky, Ch. Schwedes, E. Peik, H. Walther, J. Reichert, J. von Zanthier, M. Eichenseer, M. N. Skvortsov, P. V. Pokasov, R. Holzwarth, S. N. Bagayev, Th. Becker, Th. Udem, T. W. H\\\"ansch","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2000-10-05T14:55:34Z","title":"Absolute frequency measurement of the In$^{+}$ clock transition with a mode-locked laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0010019","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:d123bebec84f409f3677e8fc99e326f338432885c834dd3482e8dfba3da145c8","target":"record","created_at":"2026-05-18T02:29:23Z","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":"50b46931d7ef444b812ac2f4682d8f3d5c48496c608453921be6c25ac05e05da","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2000-10-05T14:55:34Z","title_canon_sha256":"528fb3376651bb9a5fc8b97e749995c9fd70ce2127949dff866d1d22b854ac0e"},"schema_version":"1.0","source":{"id":"quant-ph/0010019","kind":"arxiv","version":1}},"canonical_sha256":"e701131bf2aa5c1adf181e1ee19357839054f083b6ac049e58f028b37d8fdada","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e701131bf2aa5c1adf181e1ee19357839054f083b6ac049e58f028b37d8fdada","first_computed_at":"2026-05-18T02:29:23.900273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:23.900273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pootlmJltAyr0RGw51tE1Jjqy1V/nJfItAGT+XB4ZsYwMAb/FL8NOGDi3Pc9HDk4i6EhrvNYbKgJ0ruVQNbaAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:23.900792Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0010019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d123bebec84f409f3677e8fc99e326f338432885c834dd3482e8dfba3da145c8","sha256:73936ff26c2d2fd2a87719a8528f7bb77cd885a8c9a739b939fab0e4c2cb2a49"],"state_sha256":"23c077e704bcf889e31f07c28db887274d08038e07eda020cca4b940db818024"}