{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ZK2QKJC5D2B5LXEXX2CDP7ZFTY","short_pith_number":"pith:ZK2QKJC5","canonical_record":{"source":{"id":"2109.11699","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-09-24T00:41:06Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"243a81b5996693c3b15669e765f65274c5e544d8ded6dfdc3a22022495b42309","abstract_canon_sha256":"c9aa11252dee7fcbb91130fb05b286155d739193e5a930e6f07ef78d3207a82d"},"schema_version":"1.0"},"canonical_sha256":"cab505245d1e83d5dc97be8437ff259e2924761c025f9b9d274db48b5e8c1a3c","source":{"kind":"arxiv","id":"2109.11699","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11699","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11699v1","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11699","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"pith_short_12","alias_value":"ZK2QKJC5D2B5","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"pith_short_16","alias_value":"ZK2QKJC5D2B5LXEX","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"pith_short_8","alias_value":"ZK2QKJC5","created_at":"2026-07-05T03:30:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ZK2QKJC5D2B5LXEXX2CDP7ZFTY","target":"record","payload":{"canonical_record":{"source":{"id":"2109.11699","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-09-24T00:41:06Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"243a81b5996693c3b15669e765f65274c5e544d8ded6dfdc3a22022495b42309","abstract_canon_sha256":"c9aa11252dee7fcbb91130fb05b286155d739193e5a930e6f07ef78d3207a82d"},"schema_version":"1.0"},"canonical_sha256":"cab505245d1e83d5dc97be8437ff259e2924761c025f9b9d274db48b5e8c1a3c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:30:35.110836Z","signature_b64":"BET81FyBZr4ggguXJ/0Xbf5RpiTHCnqZ0ipxaGzXSOzIz9SLt52UrlVYQFMNlZHQKjBQ0fpNU/TdYsARKdSNCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cab505245d1e83d5dc97be8437ff259e2924761c025f9b9d274db48b5e8c1a3c","last_reissued_at":"2026-07-05T03:30:35.110343Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:30:35.110343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.11699","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":"2026-07-05T03:30:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7n9iwln663szL3u+Q6aC2DeqRBZTvuFfE7H0jzTkrUK4bb6EaI3IadwFK5uNbcFH7W13b7Jc4U5WigS9p94OBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T02:52:53.919261Z"},"content_sha256":"5e737640dbe152c0995c36d84521f370a674973c1ccddd147d10db2b7b0cba7a","schema_version":"1.0","event_id":"sha256:5e737640dbe152c0995c36d84521f370a674973c1ccddd147d10db2b7b0cba7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ZK2QKJC5D2B5LXEXX2CDP7ZFTY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broadband complementary vibrational spectroscopy with cascaded intra-pulse difference frequency generation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.optics","authors_text":"Kazuki Hashimoto, Takayuki Imamura, Takuro Ideguchi, Venkata Ramaiah Badarla","submitted_at":"2021-09-24T00:41:06Z","abstract_excerpt":"One of the essential goals of molecular spectroscopy is to measure all fundamental molecular vibrations simultaneously. To this end, one needs to measure broadband infrared (IR) absorption and Raman scattering spectra, which provide complementary vibrational information. A recently demonstrated technique called complementary vibrational spectroscopy (CVS) enables simultaneous measurements of IR and Raman spectra with a single device based on a single laser source. However, the spectral coverage was limited to ~1000 cm-1, which partially covers the spectral regions of the fundamental vibrations"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11699","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.11699/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:30:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k3igNQouieq42feXnS/fxRINyaLZtFDKXxAq4Vh4WDXnXCZCtPvr5W0ctVoUPLMkEWTtgqjIyCPYOjQ/DIoAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T02:52:53.919657Z"},"content_sha256":"48141a21aa3bb90ed975417e35033a18f5366d1d8a223afd15f7f69915dd1f83","schema_version":"1.0","event_id":"sha256:48141a21aa3bb90ed975417e35033a18f5366d1d8a223afd15f7f69915dd1f83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY/bundle.json","state_url":"https://pith.science/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY/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":"2026-07-13T02:52:53Z","links":{"resolver":"https://pith.science/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY","bundle":"https://pith.science/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY/bundle.json","state":"https://pith.science/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZK2QKJC5D2B5LXEXX2CDP7ZFTY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ZK2QKJC5D2B5LXEXX2CDP7ZFTY","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":"c9aa11252dee7fcbb91130fb05b286155d739193e5a930e6f07ef78d3207a82d","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-09-24T00:41:06Z","title_canon_sha256":"243a81b5996693c3b15669e765f65274c5e544d8ded6dfdc3a22022495b42309"},"schema_version":"1.0","source":{"id":"2109.11699","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11699","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11699v1","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11699","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"pith_short_12","alias_value":"ZK2QKJC5D2B5","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"pith_short_16","alias_value":"ZK2QKJC5D2B5LXEX","created_at":"2026-07-05T03:30:35Z"},{"alias_kind":"pith_short_8","alias_value":"ZK2QKJC5","created_at":"2026-07-05T03:30:35Z"}],"graph_snapshots":[{"event_id":"sha256:48141a21aa3bb90ed975417e35033a18f5366d1d8a223afd15f7f69915dd1f83","target":"graph","created_at":"2026-07-05T03:30:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.11699/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"One of the essential goals of molecular spectroscopy is to measure all fundamental molecular vibrations simultaneously. To this end, one needs to measure broadband infrared (IR) absorption and Raman scattering spectra, which provide complementary vibrational information. A recently demonstrated technique called complementary vibrational spectroscopy (CVS) enables simultaneous measurements of IR and Raman spectra with a single device based on a single laser source. However, the spectral coverage was limited to ~1000 cm-1, which partially covers the spectral regions of the fundamental vibrations","authors_text":"Kazuki Hashimoto, Takayuki Imamura, Takuro Ideguchi, Venkata Ramaiah Badarla","cross_cats":["physics.chem-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-09-24T00:41:06Z","title":"Broadband complementary vibrational spectroscopy with cascaded intra-pulse difference frequency generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11699","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":"sha256:5e737640dbe152c0995c36d84521f370a674973c1ccddd147d10db2b7b0cba7a","target":"record","created_at":"2026-07-05T03:30:35Z","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":"c9aa11252dee7fcbb91130fb05b286155d739193e5a930e6f07ef78d3207a82d","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-09-24T00:41:06Z","title_canon_sha256":"243a81b5996693c3b15669e765f65274c5e544d8ded6dfdc3a22022495b42309"},"schema_version":"1.0","source":{"id":"2109.11699","kind":"arxiv","version":1}},"canonical_sha256":"cab505245d1e83d5dc97be8437ff259e2924761c025f9b9d274db48b5e8c1a3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cab505245d1e83d5dc97be8437ff259e2924761c025f9b9d274db48b5e8c1a3c","first_computed_at":"2026-07-05T03:30:35.110343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:30:35.110343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BET81FyBZr4ggguXJ/0Xbf5RpiTHCnqZ0ipxaGzXSOzIz9SLt52UrlVYQFMNlZHQKjBQ0fpNU/TdYsARKdSNCw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:30:35.110836Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.11699","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e737640dbe152c0995c36d84521f370a674973c1ccddd147d10db2b7b0cba7a","sha256:48141a21aa3bb90ed975417e35033a18f5366d1d8a223afd15f7f69915dd1f83"],"state_sha256":"4413252161bc4da0fa7777a901d228561ab3c433333676c23b5a993d6730b9f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7woWEe2r/00xIdRMskt8/HxIMsR6levObrnjw35pSsE+6N5LFdehIAoz2CcZ+I+dZQs5TiFP5DzRbAJXkKvXDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T02:52:53.922383Z","bundle_sha256":"e1936bc3f01da0c51bacf4bee14ec4f4938cdd0fd3c6151ac85e2a1c250c10af"}}