{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CCAGMU6MXUSQETPTAKLR25IKGO","short_pith_number":"pith:CCAGMU6M","canonical_record":{"source":{"id":"1604.05149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-04-18T13:51:30Z","cross_cats_sorted":[],"title_canon_sha256":"76badec50d8450ac76ee276baadb5ba172d9c30439f3735e6868a087c5060249","abstract_canon_sha256":"e3cf1c01cae9183f4664c6a75e2c06a92ea07e56e80908fcd99f63fb498c5c41"},"schema_version":"1.0"},"canonical_sha256":"10806653ccbd25024df302971d750a339fbbd93cd9c4c950a1f63aeda82ecf28","source":{"kind":"arxiv","id":"1604.05149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05149","created_at":"2026-05-18T01:08:17Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05149v1","created_at":"2026-05-18T01:08:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05149","created_at":"2026-05-18T01:08:17Z"},{"alias_kind":"pith_short_12","alias_value":"CCAGMU6MXUSQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CCAGMU6MXUSQETPT","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CCAGMU6M","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CCAGMU6MXUSQETPTAKLR25IKGO","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-04-18T13:51:30Z","cross_cats_sorted":[],"title_canon_sha256":"76badec50d8450ac76ee276baadb5ba172d9c30439f3735e6868a087c5060249","abstract_canon_sha256":"e3cf1c01cae9183f4664c6a75e2c06a92ea07e56e80908fcd99f63fb498c5c41"},"schema_version":"1.0"},"canonical_sha256":"10806653ccbd25024df302971d750a339fbbd93cd9c4c950a1f63aeda82ecf28","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:17.601102Z","signature_b64":"km854La8c2PBvMPr2/mp2htbcncMf8SmAXqySm0Qz4EM7S6xQwCM9aha5PQHAgJ5WHT0p4IRAodwLghLuTg1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10806653ccbd25024df302971d750a339fbbd93cd9c4c950a1f63aeda82ecf28","last_reissued_at":"2026-05-18T01:08:17.600599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:17.600599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05149","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":"2026-05-18T01:08:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2IH+2lDkEEGAr8Hv7NDwTKndyyQFOvB1GSyf+2ZaYY+v182N84WeyLVuA+miKfJdwpuYt5pYy+SBP8SvB0iKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:28:32.945482Z"},"content_sha256":"508f09bfbceeefa2973bb38980d844c98ed0289a9536e4cb05e5d691e4986426","schema_version":"1.0","event_id":"sha256:508f09bfbceeefa2973bb38980d844c98ed0289a9536e4cb05e5d691e4986426"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CCAGMU6MXUSQETPTAKLR25IKGO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Frequency Comb Assisted Broadband Precision Spectroscopy with Cascaded Diode Lasers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Arne Kordts, Ayman N. Kamel, Hairun Guo, Junqiu Liu, Martin H. P. Pfeiffer, Michael Geiselmann, Tobias J. Kippenberg, Victor Brasch","submitted_at":"2016-04-18T13:51:30Z","abstract_excerpt":"Frequency comb assisted diode laser spectroscopy, employing both the accuracy of an optical frequency comb and the broad wavelength tuning range of a tunable diode laser, has been widely used in many applications. In this letter we present a novel method using cascaded frequency agile diode lasers, which allows extending the measurement bandwidth to 37.4 THz (1355 to 1630 nm) at MHz resolution with scanning speeds above 1 THz/s. It is demonstrated as a useful tool to characterize a broadband spectrum for molecular spectroscopy and in particular it enables to characterize the dispersion of inte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05149","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":"2026-05-18T01:08:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u14GJfV7epLXIG9hg9N7X6rJlVBEd0EwBIlmNFBsx0alA05M0GsO0Vcp6DhOJD99okA+6iCWYHDmQHXgksggCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:28:32.946138Z"},"content_sha256":"e94e227a6c561316b80d254a8f92b857c85a937d2418adb0eb05b76fdc5a025e","schema_version":"1.0","event_id":"sha256:e94e227a6c561316b80d254a8f92b857c85a937d2418adb0eb05b76fdc5a025e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CCAGMU6MXUSQETPTAKLR25IKGO/bundle.json","state_url":"https://pith.science/pith/CCAGMU6MXUSQETPTAKLR25IKGO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CCAGMU6MXUSQETPTAKLR25IKGO/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":"2026-05-30T00:28:32Z","links":{"resolver":"https://pith.science/pith/CCAGMU6MXUSQETPTAKLR25IKGO","bundle":"https://pith.science/pith/CCAGMU6MXUSQETPTAKLR25IKGO/bundle.json","state":"https://pith.science/pith/CCAGMU6MXUSQETPTAKLR25IKGO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CCAGMU6MXUSQETPTAKLR25IKGO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CCAGMU6MXUSQETPTAKLR25IKGO","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":"e3cf1c01cae9183f4664c6a75e2c06a92ea07e56e80908fcd99f63fb498c5c41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-04-18T13:51:30Z","title_canon_sha256":"76badec50d8450ac76ee276baadb5ba172d9c30439f3735e6868a087c5060249"},"schema_version":"1.0","source":{"id":"1604.05149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05149","created_at":"2026-05-18T01:08:17Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05149v1","created_at":"2026-05-18T01:08:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05149","created_at":"2026-05-18T01:08:17Z"},{"alias_kind":"pith_short_12","alias_value":"CCAGMU6MXUSQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CCAGMU6MXUSQETPT","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CCAGMU6M","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:e94e227a6c561316b80d254a8f92b857c85a937d2418adb0eb05b76fdc5a025e","target":"graph","created_at":"2026-05-18T01:08:17Z","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":"Frequency comb assisted diode laser spectroscopy, employing both the accuracy of an optical frequency comb and the broad wavelength tuning range of a tunable diode laser, has been widely used in many applications. In this letter we present a novel method using cascaded frequency agile diode lasers, which allows extending the measurement bandwidth to 37.4 THz (1355 to 1630 nm) at MHz resolution with scanning speeds above 1 THz/s. It is demonstrated as a useful tool to characterize a broadband spectrum for molecular spectroscopy and in particular it enables to characterize the dispersion of inte","authors_text":"Arne Kordts, Ayman N. Kamel, Hairun Guo, Junqiu Liu, Martin H. P. Pfeiffer, Michael Geiselmann, Tobias J. Kippenberg, Victor Brasch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-04-18T13:51:30Z","title":"Frequency Comb Assisted Broadband Precision Spectroscopy with Cascaded Diode Lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05149","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":"sha256:508f09bfbceeefa2973bb38980d844c98ed0289a9536e4cb05e5d691e4986426","target":"record","created_at":"2026-05-18T01:08:17Z","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":"e3cf1c01cae9183f4664c6a75e2c06a92ea07e56e80908fcd99f63fb498c5c41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-04-18T13:51:30Z","title_canon_sha256":"76badec50d8450ac76ee276baadb5ba172d9c30439f3735e6868a087c5060249"},"schema_version":"1.0","source":{"id":"1604.05149","kind":"arxiv","version":1}},"canonical_sha256":"10806653ccbd25024df302971d750a339fbbd93cd9c4c950a1f63aeda82ecf28","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10806653ccbd25024df302971d750a339fbbd93cd9c4c950a1f63aeda82ecf28","first_computed_at":"2026-05-18T01:08:17.600599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:17.600599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"km854La8c2PBvMPr2/mp2htbcncMf8SmAXqySm0Qz4EM7S6xQwCM9aha5PQHAgJ5WHT0p4IRAodwLghLuTg1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:17.601102Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:508f09bfbceeefa2973bb38980d844c98ed0289a9536e4cb05e5d691e4986426","sha256:e94e227a6c561316b80d254a8f92b857c85a937d2418adb0eb05b76fdc5a025e"],"state_sha256":"711ba613e86d971f5b850aeaab55e885abb046630218b2bdc0a651b32f904a03"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tKniIQ7hFsmTdJaGCCSilAxkXf9bxrNzbAjIvvnas+LxGYD+9o0xM7uv0UVDBvkEvsIhsez7R5PgF2bZNmqrBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T00:28:32.949490Z","bundle_sha256":"353402dec447a71d2fc46164de65cdf47db4c10f90bf35d72e0038b9be252672"}}