{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:PC72NRR4EGFOLZVRWI76S2BGUF","short_pith_number":"pith:PC72NRR4","canonical_record":{"source":{"id":"1707.06424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-07-20T09:32:46Z","cross_cats_sorted":[],"title_canon_sha256":"d12d01b0ae5576d8e46a7cfa1abf287155409737353d0ed7938c1842f42e4371","abstract_canon_sha256":"78068dddc39d14c5ce95c495debc112136b2cc44f4d5de014d1387fdc143aac4"},"schema_version":"1.0"},"canonical_sha256":"78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58","source":{"kind":"arxiv","id":"1707.06424","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.06424","created_at":"2026-05-18T00:26:12Z"},{"alias_kind":"arxiv_version","alias_value":"1707.06424v1","created_at":"2026-05-18T00:26:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.06424","created_at":"2026-05-18T00:26:12Z"},{"alias_kind":"pith_short_12","alias_value":"PC72NRR4EGFO","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PC72NRR4EGFOLZVR","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PC72NRR4","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:PC72NRR4EGFOLZVRWI76S2BGUF","target":"record","payload":{"canonical_record":{"source":{"id":"1707.06424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-07-20T09:32:46Z","cross_cats_sorted":[],"title_canon_sha256":"d12d01b0ae5576d8e46a7cfa1abf287155409737353d0ed7938c1842f42e4371","abstract_canon_sha256":"78068dddc39d14c5ce95c495debc112136b2cc44f4d5de014d1387fdc143aac4"},"schema_version":"1.0"},"canonical_sha256":"78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:12.721564Z","signature_b64":"MK/2omu6B1YglviOMLJpnw7dwq9b/JMCIL9eORvGIoL42QXdTB7q2ITDaMgb37DqzOYOsezpeyaT4I5400plDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58","last_reissued_at":"2026-05-18T00:26:12.721067Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:12.721067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.06424","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":"2026-05-18T00:26:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"py+H5yQWGy1KkwJv630yVAE2WAXOQ44W3j0fHtFBYcnqj68/TQqUZXdfp2dweWwuyb4DDAbCiTfOre43Z/3jBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:43:13.509368Z"},"content_sha256":"44d5199da2c3dbaf1b55f45ff549bc6789276d5c59f128906a5c5650785f2ca7","schema_version":"1.0","event_id":"sha256:44d5199da2c3dbaf1b55f45ff549bc6789276d5c59f128906a5c5650785f2ca7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:PC72NRR4EGFOLZVRWI76S2BGUF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct frequency-comb spectroscopy of $6S_{1/2}$-$8S_{1/2}$ transitions of atomic cesium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Jaewook Ahn, Kyung-tae Kim","submitted_at":"2017-07-20T09:32:46Z","abstract_excerpt":"Direct frequency-comb spectroscopy is used to probe the absolute frequencies of $6S_{1/2}$-$8S_{1/2}$ two-photon transitions of atomic cesium in hot vapor environment. By utilizing the coherent control method of temporally splitting the laser spectrum above and below the two-photon resonance frequency, Doppler-free absorption is built in two spatially distinct locations and imaged for high-precision spectroscopy. Theoretical analysis finds that these transition lines are measured with uncertainty below $5\\times10^{-10}$, mainly contributed from laser-induced AC Stark shift."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.06424","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":"2026-05-18T00:26:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+u4vUP7YQy2eRMHRufEs+VIbBExt2hmT8pmt4reJMkHCU4zHGe8R1agCQFvp0n+JxR6DSAKXIvMBQ/TjQoDcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:43:13.510010Z"},"content_sha256":"26e22a70a6cf4fe13594bf7445496f37984e03f84e7b336353c12ae6b686f347","schema_version":"1.0","event_id":"sha256:26e22a70a6cf4fe13594bf7445496f37984e03f84e7b336353c12ae6b686f347"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PC72NRR4EGFOLZVRWI76S2BGUF/bundle.json","state_url":"https://pith.science/pith/PC72NRR4EGFOLZVRWI76S2BGUF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PC72NRR4EGFOLZVRWI76S2BGUF/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":"2026-05-28T20:43:13Z","links":{"resolver":"https://pith.science/pith/PC72NRR4EGFOLZVRWI76S2BGUF","bundle":"https://pith.science/pith/PC72NRR4EGFOLZVRWI76S2BGUF/bundle.json","state":"https://pith.science/pith/PC72NRR4EGFOLZVRWI76S2BGUF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PC72NRR4EGFOLZVRWI76S2BGUF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PC72NRR4EGFOLZVRWI76S2BGUF","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":"78068dddc39d14c5ce95c495debc112136b2cc44f4d5de014d1387fdc143aac4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-07-20T09:32:46Z","title_canon_sha256":"d12d01b0ae5576d8e46a7cfa1abf287155409737353d0ed7938c1842f42e4371"},"schema_version":"1.0","source":{"id":"1707.06424","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.06424","created_at":"2026-05-18T00:26:12Z"},{"alias_kind":"arxiv_version","alias_value":"1707.06424v1","created_at":"2026-05-18T00:26:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.06424","created_at":"2026-05-18T00:26:12Z"},{"alias_kind":"pith_short_12","alias_value":"PC72NRR4EGFO","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PC72NRR4EGFOLZVR","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PC72NRR4","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:26e22a70a6cf4fe13594bf7445496f37984e03f84e7b336353c12ae6b686f347","target":"graph","created_at":"2026-05-18T00:26:12Z","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":"Direct frequency-comb spectroscopy is used to probe the absolute frequencies of $6S_{1/2}$-$8S_{1/2}$ two-photon transitions of atomic cesium in hot vapor environment. By utilizing the coherent control method of temporally splitting the laser spectrum above and below the two-photon resonance frequency, Doppler-free absorption is built in two spatially distinct locations and imaged for high-precision spectroscopy. Theoretical analysis finds that these transition lines are measured with uncertainty below $5\\times10^{-10}$, mainly contributed from laser-induced AC Stark shift.","authors_text":"Jaewook Ahn, Kyung-tae Kim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-07-20T09:32:46Z","title":"Direct frequency-comb spectroscopy of $6S_{1/2}$-$8S_{1/2}$ transitions of atomic cesium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.06424","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":"sha256:44d5199da2c3dbaf1b55f45ff549bc6789276d5c59f128906a5c5650785f2ca7","target":"record","created_at":"2026-05-18T00:26:12Z","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":"78068dddc39d14c5ce95c495debc112136b2cc44f4d5de014d1387fdc143aac4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-07-20T09:32:46Z","title_canon_sha256":"d12d01b0ae5576d8e46a7cfa1abf287155409737353d0ed7938c1842f42e4371"},"schema_version":"1.0","source":{"id":"1707.06424","kind":"arxiv","version":1}},"canonical_sha256":"78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58","first_computed_at":"2026-05-18T00:26:12.721067Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:12.721067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MK/2omu6B1YglviOMLJpnw7dwq9b/JMCIL9eORvGIoL42QXdTB7q2ITDaMgb37DqzOYOsezpeyaT4I5400plDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:12.721564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.06424","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44d5199da2c3dbaf1b55f45ff549bc6789276d5c59f128906a5c5650785f2ca7","sha256:26e22a70a6cf4fe13594bf7445496f37984e03f84e7b336353c12ae6b686f347"],"state_sha256":"4685ba007f8d1aab9274926b11a0fe29c9165fe2cb5e03fbc3b41d2164b0298a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yza12tU1GcSQA11y55nAkPx07UT6rjckFHx2KoALsiaG8D6ca7KqPb45k3Canr64vlALwC5GO1F+Xcmfs6PMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:43:13.513586Z","bundle_sha256":"937a7e56735d47d556c7df203d01e462c934d1f100ab7fbb0f7b1ccafa1dd6e5"}}