{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:MOTRWXCACHV76DWCXMDAPB5PB4","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":"6c57af3ac085e8b43d733d595ea60d2b3847017d0298134a7bc37ce5cfdb93a5","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-07T18:24:11Z","title_canon_sha256":"b65b40beeee67985cc3b38ec71db354df4bee54fce2489f17eca65f30dd96a25"},"schema_version":"1.0","source":{"id":"astro-ph/0412158","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412158","created_at":"2026-07-04T16:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412158v1","created_at":"2026-07-04T16:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412158","created_at":"2026-07-04T16:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"MOTRWXCACHV7","created_at":"2026-07-04T16:45:22Z"},{"alias_kind":"pith_short_16","alias_value":"MOTRWXCACHV76DWC","created_at":"2026-07-04T16:45:22Z"},{"alias_kind":"pith_short_8","alias_value":"MOTRWXCA","created_at":"2026-07-04T16:45:22Z"}],"graph_snapshots":[{"event_id":"sha256:3a1f7e09af2a295efa30f5bdb48d5ba21d6aeddbc9f2130689a76bacd30143ea","target":"graph","created_at":"2026-07-04T16:45:22Z","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/0412158/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"(Abridged) We have observed CS and C17O lines, and 1.2 mm cont. emission towards a sample of 130 high-mass protostellar candidates with DEC<-30 deg. This is the first step of the southern extension of a project started more than a decade ago aimed at the identification of massive protostellar candidates. We selected from the IRAS PSC 429 sources which potentially are compact molecular clouds. The sample is divided into two groups: the 298 sources with [25-12]>0.57 and [60-12]>1.30 we call 'High' sources, the remaining 131 we call 'Low' sources. In this paper, we check the association with dens","authors_text":"C.M. Walmsley, F. Fontani, J. Brand, L. Testi, M.T. Beltran, R. Cesaroni, S. Molinari","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-12-07T18:24:11Z","title":"Search for massive protostellar candidates in the southern hemisphere: I. Association with dense gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412158","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:bfe403e83737c908e1ba94d6e2fa50fc50720cca402faeeef4c5b6c616ab8d9f","target":"record","created_at":"2026-07-04T16:45:22Z","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":"6c57af3ac085e8b43d733d595ea60d2b3847017d0298134a7bc37ce5cfdb93a5","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-07T18:24:11Z","title_canon_sha256":"b65b40beeee67985cc3b38ec71db354df4bee54fce2489f17eca65f30dd96a25"},"schema_version":"1.0","source":{"id":"astro-ph/0412158","kind":"arxiv","version":1}},"canonical_sha256":"63a71b5c4011ebff0ec2bb060787af0f34283629759509f3446ccc2f421b6876","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63a71b5c4011ebff0ec2bb060787af0f34283629759509f3446ccc2f421b6876","first_computed_at":"2026-07-04T16:45:22.000307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:45:22.000307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UcU820D2S9MgvFx2KkE0+0tdd022be1RRQiStRzBHoPUckHpCbS+YbFqfy00jsyc389/FdHd8QFUJ9QFIdNbDg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:45:22.000659Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0412158","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bfe403e83737c908e1ba94d6e2fa50fc50720cca402faeeef4c5b6c616ab8d9f","sha256:3a1f7e09af2a295efa30f5bdb48d5ba21d6aeddbc9f2130689a76bacd30143ea"],"state_sha256":"0984f5d0894ac5a2b92ba010b43f5e16d120c418b759f4bc5cafe35f327894aa"}