{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:5CAXBLP5W7DWA2GIWRY2OEUEPF","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":"12802b733900fd67616a4cced8e2129e66e90d313e1af6bab804d202c9ed9e33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-09-19T15:04:41Z","title_canon_sha256":"d47094d0b14e4a5e88f08286d9fdd86b0299e23b36a10f0e2c58ec3d37e5f449"},"schema_version":"1.0","source":{"id":"astro-ph/9709194","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9709194","created_at":"2026-07-04T15:34:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9709194v1","created_at":"2026-07-04T15:34:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9709194","created_at":"2026-07-04T15:34:25Z"},{"alias_kind":"pith_short_12","alias_value":"5CAXBLP5W7DW","created_at":"2026-07-04T15:34:25Z"},{"alias_kind":"pith_short_16","alias_value":"5CAXBLP5W7DWA2GI","created_at":"2026-07-04T15:34:25Z"},{"alias_kind":"pith_short_8","alias_value":"5CAXBLP5","created_at":"2026-07-04T15:34:25Z"}],"graph_snapshots":[{"event_id":"sha256:5e643620de0701ea532b7218327fe58eb528b2aff3e4117727260d18bfc5105f","target":"graph","created_at":"2026-07-04T15:34:25Z","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/astro-ph/9709194/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"H2 column densities towards CO clouds in the LMC and SMC are estimated from their far-infrared surface brightness and HI column density. N(H2)/I(CO) conversion factors are X(LMC) = 1.3 and X(SMC) = 12 (unit: 10**21 mol cm**-2 (K km/s)**-1). LMC and SMC contain total (warm) H2 masses of 1.0 and 0.75 x 10**8 M(sun) respectively. Similar local H2/HI mass ratios are found in the magellanic irregulars NGC 1569 (X = 16), NGC 55, 4214 and 6822 (X = 3--6) and in NGC 4449 as well as the extragalactic HII regions NGC 604, 595 and 5461 in M 33 and M 101 (X = 1--2).\n  The CO--H2 conversion factor X depend","authors_text":"F.P. Israel (Sterrewacht Leiden)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-09-19T15:04:41Z","title":"H2 and its relation to CO in the LMC and other magellanic irregulars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9709194","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:be9b3c37479752d8f801ad2fe7d5fab23d8af4d5c617558567c52730c4880132","target":"record","created_at":"2026-07-04T15:34:25Z","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":"12802b733900fd67616a4cced8e2129e66e90d313e1af6bab804d202c9ed9e33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-09-19T15:04:41Z","title_canon_sha256":"d47094d0b14e4a5e88f08286d9fdd86b0299e23b36a10f0e2c58ec3d37e5f449"},"schema_version":"1.0","source":{"id":"astro-ph/9709194","kind":"arxiv","version":1}},"canonical_sha256":"e88170adfdb7c76068c8b471a71284794599d8d80a18cfe125231bc0cb632f85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e88170adfdb7c76068c8b471a71284794599d8d80a18cfe125231bc0cb632f85","first_computed_at":"2026-07-04T15:34:25.505950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:34:25.505950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O3TzjBwIghGo1sqtOdg+nPcgScDtXoJMSKZU6g+QBzArKuZLiE84zbE/aLsC5aVO1zp2rmXkx+71TGYnFD8aDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:34:25.506505Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9709194","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be9b3c37479752d8f801ad2fe7d5fab23d8af4d5c617558567c52730c4880132","sha256:5e643620de0701ea532b7218327fe58eb528b2aff3e4117727260d18bfc5105f"],"state_sha256":"1093ba8822a95449895287b6cfd13c88053d940e7ebce4a75c988952ac80f9b6"}