{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:AH55EJTISLAABFDN7X2C66RZKS","short_pith_number":"pith:AH55EJTI","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"},"canonical_sha256":"01fbd2266892c000946dfdf42f7a39548e6a7b9bd21c3521167d494deb410173","source":{"kind":"arxiv","id":"2111.06200","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.06200","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"arxiv_version","alias_value":"2111.06200v1","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.06200","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"pith_short_12","alias_value":"AH55EJTISLAA","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"pith_short_16","alias_value":"AH55EJTISLAABFDN","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"pith_short_8","alias_value":"AH55EJTI","created_at":"2026-07-05T03:53:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:AH55EJTISLAABFDN7X2C66RZKS","target":"record","payload":{"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"},"canonical_sha256":"01fbd2266892c000946dfdf42f7a39548e6a7b9bd21c3521167d494deb410173","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"},"source_kind":"arxiv","source_id":"2111.06200","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:53:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zBgNuZErcwNdJcL7HRmNc4PA+vRAs/amU+IGGc9TpBQFxm5GSNuIXmVtdL1scvhbmQJ4JAThzgGIXKDXyPk5Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:48:36.793968Z"},"content_sha256":"9db0f6dbd8384c27e82c1a42c15f2269a50ce765815ac34b4b771feec0d225f1","schema_version":"1.0","event_id":"sha256:9db0f6dbd8384c27e82c1a42c15f2269a50ce765815ac34b4b771feec0d225f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:AH55EJTISLAABFDN7X2C66RZKS","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:53:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zEl2yCBtc4+lGhLx/+rVZVhKBTGLQ3f8a29RH4b6aeEnTcOVVnRkmcCswXTGHIdIlsw6Unf/+zBjwKXuG5eLAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:48:36.794646Z"},"content_sha256":"1c834edd03d2642a77043345244d73b493f0824664fab582d29e903b0d09f628","schema_version":"1.0","event_id":"sha256:1c834edd03d2642a77043345244d73b493f0824664fab582d29e903b0d09f628"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/bundle.json","state_url":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AH55EJTISLAABFDN7X2C66RZKS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T10:48:36Z","links":{"resolver":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS","bundle":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/bundle.json","state":"https://pith.science/pith/AH55EJTISLAABFDN7X2C66RZKS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AH55EJTISLAABFDN7X2C66RZKS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:AH55EJTISLAABFDN7X2C66RZKS","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":"fcec51e10f27b973ce90d5e79d5ac55c2b171e2f7f17c677478e44664a5b4408","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-11T13:35:28Z","title_canon_sha256":"cf53eb5ee332168d3fa9dbd293fd65d7555076a2c38b89c95c865ffff4e11a85"},"schema_version":"1.0","source":{"id":"2111.06200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.06200","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"arxiv_version","alias_value":"2111.06200v1","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.06200","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"pith_short_12","alias_value":"AH55EJTISLAA","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"pith_short_16","alias_value":"AH55EJTISLAABFDN","created_at":"2026-07-05T03:53:11Z"},{"alias_kind":"pith_short_8","alias_value":"AH55EJTI","created_at":"2026-07-05T03:53:11Z"}],"graph_snapshots":[{"event_id":"sha256:1c834edd03d2642a77043345244d73b493f0824664fab582d29e903b0d09f628","target":"graph","created_at":"2026-07-05T03:53:11Z","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/2111.06200/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","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","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-11T13:35:28Z","title":"Observations of multiple NH$_3$ transitions in W33"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.06200","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":"sha256:9db0f6dbd8384c27e82c1a42c15f2269a50ce765815ac34b4b771feec0d225f1","target":"record","created_at":"2026-07-05T03:53:11Z","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":"fcec51e10f27b973ce90d5e79d5ac55c2b171e2f7f17c677478e44664a5b4408","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-11T13:35:28Z","title_canon_sha256":"cf53eb5ee332168d3fa9dbd293fd65d7555076a2c38b89c95c865ffff4e11a85"},"schema_version":"1.0","source":{"id":"2111.06200","kind":"arxiv","version":1}},"canonical_sha256":"01fbd2266892c000946dfdf42f7a39548e6a7b9bd21c3521167d494deb410173","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01fbd2266892c000946dfdf42f7a39548e6a7b9bd21c3521167d494deb410173","first_computed_at":"2026-07-05T03:53:11.279122Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:53:11.279122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kQjGqzw8Ajb0PIgWIiwVmTwtyThQBOPIUYwltJkpgWrDEtUTfGyoGaT8eZp6/LogLfEK42lXNjHvPRHB+/14AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:53:11.279579Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.06200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9db0f6dbd8384c27e82c1a42c15f2269a50ce765815ac34b4b771feec0d225f1","sha256:1c834edd03d2642a77043345244d73b493f0824664fab582d29e903b0d09f628"],"state_sha256":"805c8b438463ad34285f507a767942381c9e1f7724eda360e0e5280ffba82963"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q3/B6SmZ9KxLzLpi4ZLSSyVZcYUtV5MTs/1EMkrYcEiQL+be0C6xImJlmXL3ywxahIENeS93GASUK8flJjDKBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T10:48:36.799400Z","bundle_sha256":"3f6aa241e17adf47337e491d92700633a8605e5bc9f89d9a8760f7621fdd2c19"}}