{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:AH55EJTISLAABFDN7X2C66RZKS","short_pith_number":"pith:AH55EJTI","schema_version":"1.0","canonical_sha256":"01fbd2266892c000946dfdf42f7a39548e6a7b9bd21c3521167d494deb410173","source":{"kind":"arxiv","id":"2111.06200","version":1},"attestation_state":"computed","paper":{"title":"Observations of multiple NH$_3$ transitions in W33","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Malawi, C. Henkel, E. Alkhuja, F. Wyrowski, G. Wu, H. Asiri, J. Esimbek, J. J. Zhou, K. Immer, K. Tursun, R. Mauersberger, T. L. Wilson, X. D. Tang","submitted_at":"2021-11-11T13:35:28Z","abstract_excerpt":"At a distance of 2.4kpc, W33 is an outstanding massive and luminous 10pc sized star forming complex containing quiescent infrared dark clouds as well as highly active infrared bright cloud cores heated by young massive stars. We report measurements of ammonia (NH$_3$) inversion lines in the frequency range 18--26GHz, obtained with the 40\" resolution of the 100 m Effelsberg telescope. We have detected the ($J$, $K$)=(1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (2,1) and (3,2) transitions. There is a maser line in the (3,3) transition towards W33 Main. Brightness temperature and line shape indicate"},"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":"2111.06200","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-11T13:35:28Z","cross_cats_sorted":[],"title_canon_sha256":"cf53eb5ee332168d3fa9dbd293fd65d7555076a2c38b89c95c865ffff4e11a85","abstract_canon_sha256":"fcec51e10f27b973ce90d5e79d5ac55c2b171e2f7f17c677478e44664a5b4408"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:53:11.279579Z","signature_b64":"kQjGqzw8Ajb0PIgWIiwVmTwtyThQBOPIUYwltJkpgWrDEtUTfGyoGaT8eZp6/LogLfEK42lXNjHvPRHB+/14AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01fbd2266892c000946dfdf42f7a39548e6a7b9bd21c3521167d494deb410173","last_reissued_at":"2026-07-05T03:53:11.279122Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:53:11.279122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observations of multiple NH$_3$ transitions in W33","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Malawi, C. Henkel, E. Alkhuja, F. Wyrowski, G. Wu, H. Asiri, J. Esimbek, J. J. Zhou, K. Immer, K. Tursun, R. Mauersberger, T. L. Wilson, X. D. Tang","submitted_at":"2021-11-11T13:35:28Z","abstract_excerpt":"At a distance of 2.4kpc, W33 is an outstanding massive and luminous 10pc sized star forming complex containing quiescent infrared dark clouds as well as highly active infrared bright cloud cores heated by young massive stars. We report measurements of ammonia (NH$_3$) inversion lines in the frequency range 18--26GHz, obtained with the 40\" resolution of the 100 m Effelsberg telescope. We have detected the ($J$, $K$)=(1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (2,1) and (3,2) transitions. There is a maser line in the (3,3) transition towards W33 Main. Brightness temperature and line shape indicate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.06200","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/2111.06200/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":"2111.06200","created_at":"2026-07-05T03:53:11.279179+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.06200v1","created_at":"2026-07-05T03:53:11.279179+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.06200","created_at":"2026-07-05T03:53:11.279179+00:00"},{"alias_kind":"pith_short_12","alias_value":"AH55EJTISLAA","created_at":"2026-07-05T03:53:11.279179+00:00"},{"alias_kind":"pith_short_16","alias_value":"AH55EJTISLAABFDN","created_at":"2026-07-05T03:53:11.279179+00:00"},{"alias_kind":"pith_short_8","alias_value":"AH55EJTI","created_at":"2026-07-05T03:53:11.279179+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/AH55EJTISLAABFDN7X2C66RZKS","json":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS.json","graph_json":"https://pith.science/api/pith-number/AH55EJTISLAABFDN7X2C66RZKS/graph.json","events_json":"https://pith.science/api/pith-number/AH55EJTISLAABFDN7X2C66RZKS/events.json","paper":"https://pith.science/paper/AH55EJTI"},"agent_actions":{"view_html":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS","download_json":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS.json","view_paper":"https://pith.science/paper/AH55EJTI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.06200&json=true","fetch_graph":"https://pith.science/api/pith-number/AH55EJTISLAABFDN7X2C66RZKS/graph.json","fetch_events":"https://pith.science/api/pith-number/AH55EJTISLAABFDN7X2C66RZKS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/action/storage_attestation","attest_author":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/action/author_attestation","sign_citation":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/action/citation_signature","submit_replication":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/action/replication_record"}},"created_at":"2026-07-05T03:53:11.279179+00:00","updated_at":"2026-07-05T03:53:11.279179+00:00"}