{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:ROVJMJ72CDROTOF4GTN4ZCU6FT","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":"35bd8f15d9dec772b5d6f8ca5486d530f1f2aca93a96072d2b75c2eadfd46f83","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-03-15T17:26:55Z","title_canon_sha256":"b9b529b31044bf6a2174b079c9e16eb392ad2f1ae6f080b1633d8cb11d90a58d"},"schema_version":"1.0","source":{"id":"astro-ph/0103247","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0103247","created_at":"2026-07-04T16:22:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0103247v1","created_at":"2026-07-04T16:22:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0103247","created_at":"2026-07-04T16:22:52Z"},{"alias_kind":"pith_short_12","alias_value":"ROVJMJ72CDRO","created_at":"2026-07-04T16:22:52Z"},{"alias_kind":"pith_short_16","alias_value":"ROVJMJ72CDROTOF4","created_at":"2026-07-04T16:22:52Z"},{"alias_kind":"pith_short_8","alias_value":"ROVJMJ72","created_at":"2026-07-04T16:22:52Z"}],"graph_snapshots":[{"event_id":"sha256:3180b4f01d76577a197ae3a3eb26ef35a32dcd7aa580262134c5b36741585277","target":"graph","created_at":"2026-07-04T16:22:52Z","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/0103247/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using the Plateau de Bure interferometer, we observed the 3mm absorption lines of CN, HCN and HNC from some of the diffuse clouds which lie toward our well-studied sample of compact extragalactic mm-wave continuum sources. The column densities of these species all vary by a factor of about fifty and are prominent in only a limited subset of the clouds seen in the most ubiquitous species such as OH, HCO+, C2H and C3H2. The CN, HCN, and HNC column densities vary in fixed proportion to each other, with <N(HNC)/N(HCN)> = 0.21+/-0.05 and <N(CN)/N(HCN)> = 6.8+/-1. We searched unsuccessfully for CH3C","authors_text":"H. Liszt, R. Lucas","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-03-15T17:26:55Z","title":"Comparative Chemistry of Diffuse Clouds II: CN, HCN, HNC, CH3CN & N2H+"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0103247","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:b9058fca3646a5b521a068d9f7bfa91bd4956ecedb223361b003b18df0c9279e","target":"record","created_at":"2026-07-04T16:22:52Z","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":"35bd8f15d9dec772b5d6f8ca5486d530f1f2aca93a96072d2b75c2eadfd46f83","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-03-15T17:26:55Z","title_canon_sha256":"b9b529b31044bf6a2174b079c9e16eb392ad2f1ae6f080b1633d8cb11d90a58d"},"schema_version":"1.0","source":{"id":"astro-ph/0103247","kind":"arxiv","version":1}},"canonical_sha256":"8baa9627fa10e2e9b8bc34dbcc8a9e2cf254df2fce4e4055b38ac44af326ac19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8baa9627fa10e2e9b8bc34dbcc8a9e2cf254df2fce4e4055b38ac44af326ac19","first_computed_at":"2026-07-04T16:22:52.710989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:22:52.710989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"of2mTZmq/X2bTT5lckgCPeCWECZGvYCL8QvLJdaom343ft/rynYevuQJVSnXwZtV1hSSGD3BR8PHtooALJ8aBA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:22:52.711483Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0103247","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9058fca3646a5b521a068d9f7bfa91bd4956ecedb223361b003b18df0c9279e","sha256:3180b4f01d76577a197ae3a3eb26ef35a32dcd7aa580262134c5b36741585277"],"state_sha256":"8c2be11fe68cb7eb562b6dc3ec455b32b9d09fef90092506363ef57f5448df05"}