{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PDXPH4NNK2XLVPVRUMYDRRX2TO","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":"949b92d8ec2d6fee6f6f1f373fad5e1a37af1afec31f3a4d1c482012f5ff60b7","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-09T15:34:22Z","title_canon_sha256":"38d61c75ce05e6afda227b0cf182f84ee00fdffac195f6fa21103c289f90b3e1"},"schema_version":"1.0","source":{"id":"1204.1902","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.1902","created_at":"2026-05-18T03:57:15Z"},{"alias_kind":"arxiv_version","alias_value":"1204.1902v2","created_at":"2026-05-18T03:57:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.1902","created_at":"2026-05-18T03:57:15Z"},{"alias_kind":"pith_short_12","alias_value":"PDXPH4NNK2XL","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PDXPH4NNK2XLVPVR","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PDXPH4NN","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:709f5ea18ac408f85d15f1bdf87c9510ca077f8c1132684eb5190890a2887259","target":"graph","created_at":"2026-05-18T03:57:15Z","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":"Ground-level ozone in Kiev for an episode of its high concentration in August 2000 was simulated with the model of the urban air pollution UAM-V (Urban Airshed Model). The study of total ozone over Kiev and its concentration changes with height in the troposphere is made on the basis of ground-based observations with the infrared Fourier spectrometer at the Main Astronomical Observatory of National Academy of Sciences of Ukraine as a part of the ESA-NIVR-KNMI no 2907. In 2008 the satellite Aura-OMI data OMO3PR on the atmosphere ozone profiles became available. Beginning in 2005, these data inc","authors_text":"A. A. Veles, A. V. Shavrina, I. A. Mikulskaya, O. B. Blum, S. I. Kiforenko, V. A. Sheminova","cross_cats":["physics.ao-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-09T15:34:22Z","title":"The study of ground-level ozone in Kiev and its impact on public health"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.1902","kind":"arxiv","version":2},"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":"sha256:8b0f359e07ac06c0ce72aeab460f3c9c0f99918ab7e1c624ce681cce32f30db6","target":"record","created_at":"2026-05-18T03:57:15Z","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":"949b92d8ec2d6fee6f6f1f373fad5e1a37af1afec31f3a4d1c482012f5ff60b7","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-09T15:34:22Z","title_canon_sha256":"38d61c75ce05e6afda227b0cf182f84ee00fdffac195f6fa21103c289f90b3e1"},"schema_version":"1.0","source":{"id":"1204.1902","kind":"arxiv","version":2}},"canonical_sha256":"78eef3f1ad56aebabeb1a33038c6fa9bb517e2031c582c6d5587f4449cabfe58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78eef3f1ad56aebabeb1a33038c6fa9bb517e2031c582c6d5587f4449cabfe58","first_computed_at":"2026-05-18T03:57:15.639459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:15.639459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BrhYqU7ib5NNnzERiFA6IbB9yn/qmldoobYCH+ZGLNYkS0e/87bAobA+MrCnoCbR/ck17iSTPe2vHmKdA3OuAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:15.640145Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.1902","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b0f359e07ac06c0ce72aeab460f3c9c0f99918ab7e1c624ce681cce32f30db6","sha256:709f5ea18ac408f85d15f1bdf87c9510ca077f8c1132684eb5190890a2887259"],"state_sha256":"0f29e5db06d859a5c119a372250689d84e45a222ed837db6c13ea8e8a6fda8c6"}