{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:2SKD52VHQTGIDFJI5TBQT3CJKY","short_pith_number":"pith:2SKD52VH","canonical_record":{"source":{"id":"1608.07321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T22:05:12Z","cross_cats_sorted":["physics.chem-ph","physics.optics"],"title_canon_sha256":"67b9c8a705824c1cc8fe68cd75e579262630ab4c81bbb181137e2b13c767be66","abstract_canon_sha256":"8a30e713bd32cccc9f180d22a5dd62ab640d3b8a6226d151a0a26949e9153202"},"schema_version":"1.0"},"canonical_sha256":"d4943eeaa784cc819528ecc309ec495604099d50c93d9aa83859b98852c9b9d2","source":{"kind":"arxiv","id":"1608.07321","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07321","created_at":"2026-05-18T00:55:20Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07321v1","created_at":"2026-05-18T00:55:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07321","created_at":"2026-05-18T00:55:20Z"},{"alias_kind":"pith_short_12","alias_value":"2SKD52VHQTGI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"2SKD52VHQTGIDFJI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"2SKD52VH","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:2SKD52VHQTGIDFJI5TBQT3CJKY","target":"record","payload":{"canonical_record":{"source":{"id":"1608.07321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T22:05:12Z","cross_cats_sorted":["physics.chem-ph","physics.optics"],"title_canon_sha256":"67b9c8a705824c1cc8fe68cd75e579262630ab4c81bbb181137e2b13c767be66","abstract_canon_sha256":"8a30e713bd32cccc9f180d22a5dd62ab640d3b8a6226d151a0a26949e9153202"},"schema_version":"1.0"},"canonical_sha256":"d4943eeaa784cc819528ecc309ec495604099d50c93d9aa83859b98852c9b9d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:20.786187Z","signature_b64":"9je4kOCAFmHvgsnWP6eGekxeVGXXdHN4sLn7go7fINo58HAJCCgAoszMmSSoH8wi5Ve7+i6TpxXd0U51JU/rBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4943eeaa784cc819528ecc309ec495604099d50c93d9aa83859b98852c9b9d2","last_reissued_at":"2026-05-18T00:55:20.785555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:20.785555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.07321","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":"2026-05-18T00:55:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7iWgXd7OxVqXVVGUaUvlgmKJyCkDUWQi/DoXmXcDeLAGwmiSehwzxSzVBJJTeTlBtmF9d4YMhAJG4yxr72SzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:48:36.500450Z"},"content_sha256":"379677aaa32ee9930562c6fc39a7f2a8dae2424d23f005ca7a2765f90dc2d168","schema_version":"1.0","event_id":"sha256:379677aaa32ee9930562c6fc39a7f2a8dae2424d23f005ca7a2765f90dc2d168"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:2SKD52VHQTGIDFJI5TBQT3CJKY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct Frequency Comb Measurement of OD + CO -> DOCO Kinetics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph","physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"Ben Spaun, Bryce J. Bjork, Christoph Deutsch, David Follman, Garrett D. Cole, Jun Ye, Markus Aspelmeyer, Mitchio Okumura, Oliver H. Heckl, Paula Heu, P. Bryan Changala, Thinh Q. Bui","submitted_at":"2016-08-25T22:05:12Z","abstract_excerpt":"The kinetics of the OH + CO reaction, fundamental to both atmospheric and combustion chemistry, are complex due to the formation of the HOCO intermediate. Despite extensive studies on this reaction, HOCO has not been observed at thermal reaction conditions. Exploiting the sensitive, broadband, and high-resolution capabilities of time-resolved cavity-enhanced direct frequency comb spectroscopy, we observe OD + CO reaction kinetics with the detection of stabilized trans-DOCO, the deuterated analogue of trans-HOCO, and its yield. By simultaneously measuring the time-dependent concentrations of bo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07321","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":"2026-05-18T00:55:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HF+affxR7yyaCWxvUf26DBWFv+/UvmU2wNhSAxRsNoC3IXJuGQA8Zo9TWSoiwMq9gjMBtZ7EELGSgl1cD548Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:48:36.501208Z"},"content_sha256":"8e4364b3f7ce2f12146fa93b4713d64f9cf634ddc435b65a63a0519beafe27b9","schema_version":"1.0","event_id":"sha256:8e4364b3f7ce2f12146fa93b4713d64f9cf634ddc435b65a63a0519beafe27b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2SKD52VHQTGIDFJI5TBQT3CJKY/bundle.json","state_url":"https://pith.science/pith/2SKD52VHQTGIDFJI5TBQT3CJKY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2SKD52VHQTGIDFJI5TBQT3CJKY/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":"2026-06-01T00:48:36Z","links":{"resolver":"https://pith.science/pith/2SKD52VHQTGIDFJI5TBQT3CJKY","bundle":"https://pith.science/pith/2SKD52VHQTGIDFJI5TBQT3CJKY/bundle.json","state":"https://pith.science/pith/2SKD52VHQTGIDFJI5TBQT3CJKY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2SKD52VHQTGIDFJI5TBQT3CJKY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:2SKD52VHQTGIDFJI5TBQT3CJKY","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":"8a30e713bd32cccc9f180d22a5dd62ab640d3b8a6226d151a0a26949e9153202","cross_cats_sorted":["physics.chem-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T22:05:12Z","title_canon_sha256":"67b9c8a705824c1cc8fe68cd75e579262630ab4c81bbb181137e2b13c767be66"},"schema_version":"1.0","source":{"id":"1608.07321","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07321","created_at":"2026-05-18T00:55:20Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07321v1","created_at":"2026-05-18T00:55:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07321","created_at":"2026-05-18T00:55:20Z"},{"alias_kind":"pith_short_12","alias_value":"2SKD52VHQTGI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"2SKD52VHQTGIDFJI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"2SKD52VH","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:8e4364b3f7ce2f12146fa93b4713d64f9cf634ddc435b65a63a0519beafe27b9","target":"graph","created_at":"2026-05-18T00:55:20Z","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 kinetics of the OH + CO reaction, fundamental to both atmospheric and combustion chemistry, are complex due to the formation of the HOCO intermediate. Despite extensive studies on this reaction, HOCO has not been observed at thermal reaction conditions. Exploiting the sensitive, broadband, and high-resolution capabilities of time-resolved cavity-enhanced direct frequency comb spectroscopy, we observe OD + CO reaction kinetics with the detection of stabilized trans-DOCO, the deuterated analogue of trans-HOCO, and its yield. By simultaneously measuring the time-dependent concentrations of bo","authors_text":"Ben Spaun, Bryce J. Bjork, Christoph Deutsch, David Follman, Garrett D. Cole, Jun Ye, Markus Aspelmeyer, Mitchio Okumura, Oliver H. Heckl, Paula Heu, P. Bryan Changala, Thinh Q. Bui","cross_cats":["physics.chem-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T22:05:12Z","title":"Direct Frequency Comb Measurement of OD + CO -> DOCO Kinetics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07321","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":"sha256:379677aaa32ee9930562c6fc39a7f2a8dae2424d23f005ca7a2765f90dc2d168","target":"record","created_at":"2026-05-18T00:55:20Z","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":"8a30e713bd32cccc9f180d22a5dd62ab640d3b8a6226d151a0a26949e9153202","cross_cats_sorted":["physics.chem-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-08-25T22:05:12Z","title_canon_sha256":"67b9c8a705824c1cc8fe68cd75e579262630ab4c81bbb181137e2b13c767be66"},"schema_version":"1.0","source":{"id":"1608.07321","kind":"arxiv","version":1}},"canonical_sha256":"d4943eeaa784cc819528ecc309ec495604099d50c93d9aa83859b98852c9b9d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4943eeaa784cc819528ecc309ec495604099d50c93d9aa83859b98852c9b9d2","first_computed_at":"2026-05-18T00:55:20.785555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:20.785555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9je4kOCAFmHvgsnWP6eGekxeVGXXdHN4sLn7go7fINo58HAJCCgAoszMmSSoH8wi5Ve7+i6TpxXd0U51JU/rBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:20.786187Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.07321","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:379677aaa32ee9930562c6fc39a7f2a8dae2424d23f005ca7a2765f90dc2d168","sha256:8e4364b3f7ce2f12146fa93b4713d64f9cf634ddc435b65a63a0519beafe27b9"],"state_sha256":"5cd20bb3f976d6b9870fa3f3976dd4d3a8c8554777fddfb89b8b1fea8c62bb77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LxYfaNJqd/eylpsh11al7e3gAd+7h6vaOkxU1152JoA2ooUyNF0hm8NSipaXojGWWS28/vKj6vrKxeFwdw9XDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T00:48:36.505118Z","bundle_sha256":"ded36f0e1e0a50b4e739365b4ffca9cafaf4f446f60b5bcb03d3a3906423a6ec"}}