{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:REMFG2O6GWEOZ42PBLAU7WQJBC","short_pith_number":"pith:REMFG2O6","schema_version":"1.0","canonical_sha256":"89185369de3588ecf34f0ac14fda0908a15ab328453923d72f0e443b5734e3cd","source":{"kind":"arxiv","id":"2311.05308","version":1},"attestation_state":"computed","paper":{"title":"ALMA Survey of Orion Planck Galactic Cold Clumps (ALMASOP): Discovery of an extremely dense and compact object embedded in the prestellar core G208.68-19.92-N2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessio Traficante, Chang Won Lee, Chin-Fei Lee, David J. Eden, Dipen Sahu, Doug Johnstone, Hong-Li Liu, Huei-Ru Vivien Chen, Isabelle Ristorcelli, Ken'ichi Tatematsu, Leonardo Bronfman, Mark G. Rawlings, Naomi Hirano, Pak Shing Li, Shanghuo Li, Sheng-Jun Lin, Sheng-Yaun Liu, Shih-Ying Hsu, Somnath Dutta, Tie Liu, Woojin Kwon, Yi-Jehng Kuan","submitted_at":"2023-11-09T12:11:23Z","abstract_excerpt":"The internal structure of the prestellar core G208.68-19.02-N2 (G208-N2) in the Orion Molecular Cloud 3 (OMC-3) region has been studied with the Atacama Large Millimeter/submillimeter Array (ALMA). The dust continuum emission revealed a filamentary structure with a length of $\\sim$5000 au and an average H$_2$ volume density of $\\sim$6 $\\times$ 10$^7$ cm$^{-3}$. At the tip of this filamentary structure, there is a compact object, which we call a ``nucleus\", with a radius of $\\sim$150--200 au and a mass of $\\sim$0.1 M$_{\\odot}$. The nucleus has a central density of $\\sim$2 $\\times$ 10$^9$ cm$^{-"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2311.05308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-11-09T12:11:23Z","cross_cats_sorted":[],"title_canon_sha256":"e3fb9fa4b0e67dcaf05552550246e24f112edca947e4c4458cddd90c350b7ebc","abstract_canon_sha256":"243b55dd4c95c834fbe812252574a5f24d91e6aba34cbcd19e422f5bf9faa7be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:10:57.538799Z","signature_b64":"nNAfs3vf3vC+VNKY6FI0p2CDCIOHqbyHkKDXdcxRZcz+/9C1zLA6gVr63EOpYReeNzgkmogHRo7VtL2dwAXzAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89185369de3588ecf34f0ac14fda0908a15ab328453923d72f0e443b5734e3cd","last_reissued_at":"2026-07-05T07:10:57.538332Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:10:57.538332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ALMA Survey of Orion Planck Galactic Cold Clumps (ALMASOP): Discovery of an extremely dense and compact object embedded in the prestellar core G208.68-19.92-N2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessio Traficante, Chang Won Lee, Chin-Fei Lee, David J. Eden, Dipen Sahu, Doug Johnstone, Hong-Li Liu, Huei-Ru Vivien Chen, Isabelle Ristorcelli, Ken'ichi Tatematsu, Leonardo Bronfman, Mark G. Rawlings, Naomi Hirano, Pak Shing Li, Shanghuo Li, Sheng-Jun Lin, Sheng-Yaun Liu, Shih-Ying Hsu, Somnath Dutta, Tie Liu, Woojin Kwon, Yi-Jehng Kuan","submitted_at":"2023-11-09T12:11:23Z","abstract_excerpt":"The internal structure of the prestellar core G208.68-19.02-N2 (G208-N2) in the Orion Molecular Cloud 3 (OMC-3) region has been studied with the Atacama Large Millimeter/submillimeter Array (ALMA). The dust continuum emission revealed a filamentary structure with a length of $\\sim$5000 au and an average H$_2$ volume density of $\\sim$6 $\\times$ 10$^7$ cm$^{-3}$. At the tip of this filamentary structure, there is a compact object, which we call a ``nucleus\", with a radius of $\\sim$150--200 au and a mass of $\\sim$0.1 M$_{\\odot}$. The nucleus has a central density of $\\sim$2 $\\times$ 10$^9$ cm$^{-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.05308","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.05308/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2311.05308","created_at":"2026-07-05T07:10:57.538404+00:00"},{"alias_kind":"arxiv_version","alias_value":"2311.05308v1","created_at":"2026-07-05T07:10:57.538404+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.05308","created_at":"2026-07-05T07:10:57.538404+00:00"},{"alias_kind":"pith_short_12","alias_value":"REMFG2O6GWEO","created_at":"2026-07-05T07:10:57.538404+00:00"},{"alias_kind":"pith_short_16","alias_value":"REMFG2O6GWEOZ42P","created_at":"2026-07-05T07:10:57.538404+00:00"},{"alias_kind":"pith_short_8","alias_value":"REMFG2O6","created_at":"2026-07-05T07:10:57.538404+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC","json":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC.json","graph_json":"https://pith.science/api/pith-number/REMFG2O6GWEOZ42PBLAU7WQJBC/graph.json","events_json":"https://pith.science/api/pith-number/REMFG2O6GWEOZ42PBLAU7WQJBC/events.json","paper":"https://pith.science/paper/REMFG2O6"},"agent_actions":{"view_html":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC","download_json":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC.json","view_paper":"https://pith.science/paper/REMFG2O6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2311.05308&json=true","fetch_graph":"https://pith.science/api/pith-number/REMFG2O6GWEOZ42PBLAU7WQJBC/graph.json","fetch_events":"https://pith.science/api/pith-number/REMFG2O6GWEOZ42PBLAU7WQJBC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC/action/storage_attestation","attest_author":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC/action/author_attestation","sign_citation":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC/action/citation_signature","submit_replication":"https://pith.science/pith/REMFG2O6GWEOZ42PBLAU7WQJBC/action/replication_record"}},"created_at":"2026-07-05T07:10:57.538404+00:00","updated_at":"2026-07-05T07:10:57.538404+00:00"}