{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:37UTJDKM75KJ36EQJZ2QEYEQDM","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":"94c52aaed72c64386c87d0fd04ab21a2e4eac766658282e99d44a51ae144eff6","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-05-30T03:24:24Z","title_canon_sha256":"9b7ed58d7a8c7e67cfd8fb8691983846b6a9d887d100cc2a6c17019ce22a75d6"},"schema_version":"1.0","source":{"id":"2305.18709","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.18709","created_at":"2026-07-05T06:38:58Z"},{"alias_kind":"arxiv_version","alias_value":"2305.18709v2","created_at":"2026-07-05T06:38:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.18709","created_at":"2026-07-05T06:38:58Z"},{"alias_kind":"pith_short_12","alias_value":"37UTJDKM75KJ","created_at":"2026-07-05T06:38:58Z"},{"alias_kind":"pith_short_16","alias_value":"37UTJDKM75KJ36EQ","created_at":"2026-07-05T06:38:58Z"},{"alias_kind":"pith_short_8","alias_value":"37UTJDKM","created_at":"2026-07-05T06:38:58Z"}],"graph_snapshots":[{"event_id":"sha256:4ccf03f3df7b8c349bcfcfe52d020e73da4aa84bc44b645b6402832617186d19","target":"graph","created_at":"2026-07-05T06:38:58Z","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/2305.18709/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A comprehensive understanding of molecular clumps is essential for investigating star formation. We present an algorithm for molecular clump detection, called FacetClumps. This algorithm uses a morphological approach to extract signal regions from the original data. The Gaussian Facet model is employed to fit the signal regions, which enhances the resistance to noise and the stability of the algorithm in diverse overlapping areas. The introduction of the extremum determination theorem of multivariate functions offers theoretical guidance for automatically locating clump centers. To guarantee t","authors_text":"Sheng Zheng, ShuGuang Zeng, Xiangyun Zeng, Xiaoyu Luo, Yao Huang, Yu Jiang, Zhibo Jiang, Zhiwei Chen","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-05-30T03:24:24Z","title":"FacetClumps: A Facet-based Molecular Clump Detection Algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.18709","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:d3f036dccc0cce937573933c111f4c672f73d00af303bb3faa0067fe24f603f5","target":"record","created_at":"2026-07-05T06:38:58Z","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":"94c52aaed72c64386c87d0fd04ab21a2e4eac766658282e99d44a51ae144eff6","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-05-30T03:24:24Z","title_canon_sha256":"9b7ed58d7a8c7e67cfd8fb8691983846b6a9d887d100cc2a6c17019ce22a75d6"},"schema_version":"1.0","source":{"id":"2305.18709","kind":"arxiv","version":2}},"canonical_sha256":"dfe9348d4cff549df8904e750260901b37e714c3dd6b80618979ae4c114c2667","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfe9348d4cff549df8904e750260901b37e714c3dd6b80618979ae4c114c2667","first_computed_at":"2026-07-05T06:38:58.592241Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:38:58.592241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zTy5AtJTGns+UeCv4vxpO7vpBzru2DCTOYsZifPqlF/SM+39xiV5tMfdPopb7C5ay00H1Q9GctEUxkGbn/8VBw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:38:58.592883Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.18709","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3f036dccc0cce937573933c111f4c672f73d00af303bb3faa0067fe24f603f5","sha256:4ccf03f3df7b8c349bcfcfe52d020e73da4aa84bc44b645b6402832617186d19"],"state_sha256":"6577e646b002e857be697169ff548caab3dfc02dcabce6c27c0f8924fd29a54a"}