{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6WHIYMYOVQQFO34FC45FGKQD6Q","short_pith_number":"pith:6WHIYMYO","canonical_record":{"source":{"id":"1907.11310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-07-23T09:20:18Z","cross_cats_sorted":["physics.ins-det","quant-ph"],"title_canon_sha256":"49f57beab8c22558420a58a2a279cbbcd5e34720c1af73b420b13a5f2c02605f","abstract_canon_sha256":"358ab78863dd5a5a9aa6b9ba1fc51428ac9f756a839772691d298ea7fe753d3d"},"schema_version":"1.0"},"canonical_sha256":"f58e8c330eac20576f85173a532a03f40a6f8f443e301add244b4f42aad84ad6","source":{"kind":"arxiv","id":"1907.11310","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.11310","created_at":"2026-05-17T23:39:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.11310v1","created_at":"2026-05-17T23:39:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.11310","created_at":"2026-05-17T23:39:29Z"},{"alias_kind":"pith_short_12","alias_value":"6WHIYMYOVQQF","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6WHIYMYOVQQFO34F","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6WHIYMYO","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6WHIYMYOVQQFO34FC45FGKQD6Q","target":"record","payload":{"canonical_record":{"source":{"id":"1907.11310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-07-23T09:20:18Z","cross_cats_sorted":["physics.ins-det","quant-ph"],"title_canon_sha256":"49f57beab8c22558420a58a2a279cbbcd5e34720c1af73b420b13a5f2c02605f","abstract_canon_sha256":"358ab78863dd5a5a9aa6b9ba1fc51428ac9f756a839772691d298ea7fe753d3d"},"schema_version":"1.0"},"canonical_sha256":"f58e8c330eac20576f85173a532a03f40a6f8f443e301add244b4f42aad84ad6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:29.504927Z","signature_b64":"SCGSEdowzgh0Mpe4TSylvf5aeWe78AUHsEEBctoPm2CuDFc24RzcgFx/rST0UCd+E3gViVLftPsY0zdes0mYAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f58e8c330eac20576f85173a532a03f40a6f8f443e301add244b4f42aad84ad6","last_reissued_at":"2026-05-17T23:39:29.504374Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:29.504374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.11310","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":"2026-05-17T23:39:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y1jCbD4i8d7VZZhSuSg665JB9o5C8yILsB83te03Icr9N3eWp+Gjj3UOEWcIRhHvp5MrFA8aWe9WVUz0jeMaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T20:26:00.913573Z"},"content_sha256":"9c82ed25526fc5c2b4c2386ec84857fee84684c8da6dbc7914533bfbdf20e111","schema_version":"1.0","event_id":"sha256:9c82ed25526fc5c2b4c2386ec84857fee84684c8da6dbc7914533bfbdf20e111"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6WHIYMYOVQQFO34FC45FGKQD6Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-precision methanol spectroscopy with a widely tunable SI-traceable frequency-comb-based mid-infrared QCL","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"A. Amy-Klein (LPL), A. Goncharov (LPL, B. Argence (LPL, B. Darqui\\'e (LPL), D. Tran (LPL), D. Xu (SYRTE), F. Wiotte (LPL), H. Alvarez-Martinez (SYRTE, H. Mouhamad (LPL), ILP), KRISS), LKB (Jussieu)), M. Abgrall (SYRTE), O. Lopez (LPL), P.-E. Pottie (SYRTE), R. Le Targat (SYRTE), ROA), R. Santagata (LPL, S. Tokunaga (LPL), SYRTE), W. Lee (SYRTE, Y. Le Coq (SYRTE)","submitted_at":"2019-07-23T09:20:18Z","abstract_excerpt":"There is an increasing demand for precise molecular spectroscopy, in particular in the mid-infrared fingerprint window that hosts a considerable number of vibrational signatures, whether it be for modeling our atmosphere, interpreting astrophysical spectra or testing fundamental physics. We present a high-resolution mid-infrared spectrometer traceable to primary frequency standards. It combines a widely tunable ultra-narrow Quantum Cascade Laser (QCL), an optical frequency comb and a compact multipass cell. The QCL frequency is stabilized onto a comb controlled with a remote near-infrared ultr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.11310","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":"2026-05-17T23:39:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cvs6WOzKW3EUGwaIOcGRErJ3AXqdjNCVkHxYL3AEO6RJ0p+rZyUI/NEfjwLnlZjnSeHEEqkPXpnjf8oAhDb0Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T20:26:00.913925Z"},"content_sha256":"82d88ea877e8731ccf34e96250f4199f14c4f218d93e48897c07fc9f06dcbc31","schema_version":"1.0","event_id":"sha256:82d88ea877e8731ccf34e96250f4199f14c4f218d93e48897c07fc9f06dcbc31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WHIYMYOVQQFO34FC45FGKQD6Q/bundle.json","state_url":"https://pith.science/pith/6WHIYMYOVQQFO34FC45FGKQD6Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WHIYMYOVQQFO34FC45FGKQD6Q/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":"2026-06-20T20:26:00Z","links":{"resolver":"https://pith.science/pith/6WHIYMYOVQQFO34FC45FGKQD6Q","bundle":"https://pith.science/pith/6WHIYMYOVQQFO34FC45FGKQD6Q/bundle.json","state":"https://pith.science/pith/6WHIYMYOVQQFO34FC45FGKQD6Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WHIYMYOVQQFO34FC45FGKQD6Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6WHIYMYOVQQFO34FC45FGKQD6Q","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":"358ab78863dd5a5a9aa6b9ba1fc51428ac9f756a839772691d298ea7fe753d3d","cross_cats_sorted":["physics.ins-det","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-07-23T09:20:18Z","title_canon_sha256":"49f57beab8c22558420a58a2a279cbbcd5e34720c1af73b420b13a5f2c02605f"},"schema_version":"1.0","source":{"id":"1907.11310","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.11310","created_at":"2026-05-17T23:39:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.11310v1","created_at":"2026-05-17T23:39:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.11310","created_at":"2026-05-17T23:39:29Z"},{"alias_kind":"pith_short_12","alias_value":"6WHIYMYOVQQF","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6WHIYMYOVQQFO34F","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6WHIYMYO","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:82d88ea877e8731ccf34e96250f4199f14c4f218d93e48897c07fc9f06dcbc31","target":"graph","created_at":"2026-05-17T23:39:29Z","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":"There is an increasing demand for precise molecular spectroscopy, in particular in the mid-infrared fingerprint window that hosts a considerable number of vibrational signatures, whether it be for modeling our atmosphere, interpreting astrophysical spectra or testing fundamental physics. We present a high-resolution mid-infrared spectrometer traceable to primary frequency standards. It combines a widely tunable ultra-narrow Quantum Cascade Laser (QCL), an optical frequency comb and a compact multipass cell. The QCL frequency is stabilized onto a comb controlled with a remote near-infrared ultr","authors_text":"A. Amy-Klein (LPL), A. Goncharov (LPL, B. Argence (LPL, B. Darqui\\'e (LPL), D. Tran (LPL), D. Xu (SYRTE), F. Wiotte (LPL), H. Alvarez-Martinez (SYRTE, H. Mouhamad (LPL), ILP), KRISS), LKB (Jussieu)), M. Abgrall (SYRTE), O. Lopez (LPL), P.-E. Pottie (SYRTE), R. Le Targat (SYRTE), ROA), R. Santagata (LPL, S. Tokunaga (LPL), SYRTE), W. Lee (SYRTE, Y. Le Coq (SYRTE)","cross_cats":["physics.ins-det","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-07-23T09:20:18Z","title":"High-precision methanol spectroscopy with a widely tunable SI-traceable frequency-comb-based mid-infrared QCL"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.11310","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":"sha256:9c82ed25526fc5c2b4c2386ec84857fee84684c8da6dbc7914533bfbdf20e111","target":"record","created_at":"2026-05-17T23:39:29Z","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":"358ab78863dd5a5a9aa6b9ba1fc51428ac9f756a839772691d298ea7fe753d3d","cross_cats_sorted":["physics.ins-det","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-07-23T09:20:18Z","title_canon_sha256":"49f57beab8c22558420a58a2a279cbbcd5e34720c1af73b420b13a5f2c02605f"},"schema_version":"1.0","source":{"id":"1907.11310","kind":"arxiv","version":1}},"canonical_sha256":"f58e8c330eac20576f85173a532a03f40a6f8f443e301add244b4f42aad84ad6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f58e8c330eac20576f85173a532a03f40a6f8f443e301add244b4f42aad84ad6","first_computed_at":"2026-05-17T23:39:29.504374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:29.504374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SCGSEdowzgh0Mpe4TSylvf5aeWe78AUHsEEBctoPm2CuDFc24RzcgFx/rST0UCd+E3gViVLftPsY0zdes0mYAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:29.504927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.11310","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c82ed25526fc5c2b4c2386ec84857fee84684c8da6dbc7914533bfbdf20e111","sha256:82d88ea877e8731ccf34e96250f4199f14c4f218d93e48897c07fc9f06dcbc31"],"state_sha256":"9ccd8ac3736f98babfbec10c7093bc964e1ef7e0d0cf4c44630154e75eca30ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Br6RxiNJtpB3v91IKMGVnKuVK5zK26VrdDgX2RIXJ3N+GVYKvdZepu0bzPQ7ydNpMZACZDfKGhHlVqBdNNDGBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T20:26:00.915949Z","bundle_sha256":"fa6b875ea693c18578dd49f6390ffa7f99430f4ae3938c3d782f7f6c727ef1ba"}}