{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CTVKNKOZTAEPKYG6FAD545LDMZ","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":"137e1fe56a3399ccf06a26a931b4bbf876d5c750088991adbfef71f1e1403622","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2010-02-19T10:09:06Z","title_canon_sha256":"80a6fba9fe3841b67a9a2859cbebd376d16eebd6df3084b9a69c481146d8f6a9"},"schema_version":"1.0","source":{"id":"1002.3698","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.3698","created_at":"2026-05-18T03:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1002.3698v1","created_at":"2026-05-18T03:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.3698","created_at":"2026-05-18T03:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"CTVKNKOZTAEP","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CTVKNKOZTAEPKYG6","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CTVKNKOZ","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:64709868cd9793dc5e190d69fb4f7710c959550f1aa56c7dd28225e032437eaa","target":"graph","created_at":"2026-05-18T03:16:19Z","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":"We have demonstrated a new, accessible and economical technique, dubbed photostop, for producing high densities of trappable molecules. Direct measurements are presented of NO molecules produced with a narrow velocity distribution centered at zero in the laboratory frame. NO2, initially cooled in a pulsed molecular beam, is photodissociated such that the recoil velocity of the NO photofragments cancels out the velocity of the beam. NO(X^2Pi_3/2, v=0, J=1.5) molecules are observed up to 10 mircoseconds after the dissociation event in the probe volume at an estimated density of 1E7 cm-3 per quan","authors_text":"Alexandre Trottier, David Carty, Eckart Wrede","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2010-02-19T10:09:06Z","title":"Photostop: Production of zero-velocity molecules by photodissociation in a molecular beam"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.3698","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:ba8a051affddb4d38c9dce1f55fbd8eca156a8a058beae87e91aca9ee25c369d","target":"record","created_at":"2026-05-18T03:16:19Z","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":"137e1fe56a3399ccf06a26a931b4bbf876d5c750088991adbfef71f1e1403622","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2010-02-19T10:09:06Z","title_canon_sha256":"80a6fba9fe3841b67a9a2859cbebd376d16eebd6df3084b9a69c481146d8f6a9"},"schema_version":"1.0","source":{"id":"1002.3698","kind":"arxiv","version":1}},"canonical_sha256":"14eaa6a9d99808f560de2807de75636646d9be655a8f185f546bdb620bd4c2c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14eaa6a9d99808f560de2807de75636646d9be655a8f185f546bdb620bd4c2c6","first_computed_at":"2026-05-18T03:16:19.311946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:19.311946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WrbNB4bIsf29y2BMLhLGgSlPAlGOqo7wimFCBkglc6JYQPWB+YxIldciN4mPt0CtW5ONiPKgu54r/tTiWpGfAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:19.312520Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.3698","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba8a051affddb4d38c9dce1f55fbd8eca156a8a058beae87e91aca9ee25c369d","sha256:64709868cd9793dc5e190d69fb4f7710c959550f1aa56c7dd28225e032437eaa"],"state_sha256":"2820c74aff10fb706daf35962a313ba20d814fa8bc2ef3d77f0dbe0fe261ee53"}