{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:MAVII3PKKRO5FVCOLA7NT6AKA3","short_pith_number":"pith:MAVII3PK","canonical_record":{"source":{"id":"1109.0677","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-04T06:41:43Z","cross_cats_sorted":[],"title_canon_sha256":"3ca772a439ec27b6b8ee23cca3a3a4cc45c50ed227cb033dcd06d4f05898390a","abstract_canon_sha256":"c1ffa200dd2c1468b9db148b0bebd9c49efcd0332096ac6f449d537848823003"},"schema_version":"1.0"},"canonical_sha256":"602a846dea545dd2d44e583ed9f80a06f64750d9ab72ba663a9f40175f5a462b","source":{"kind":"arxiv","id":"1109.0677","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0677","created_at":"2026-05-18T02:00:40Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0677v2","created_at":"2026-05-18T02:00:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0677","created_at":"2026-05-18T02:00:40Z"},{"alias_kind":"pith_short_12","alias_value":"MAVII3PKKRO5","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"MAVII3PKKRO5FVCO","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"MAVII3PK","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:MAVII3PKKRO5FVCOLA7NT6AKA3","target":"record","payload":{"canonical_record":{"source":{"id":"1109.0677","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-04T06:41:43Z","cross_cats_sorted":[],"title_canon_sha256":"3ca772a439ec27b6b8ee23cca3a3a4cc45c50ed227cb033dcd06d4f05898390a","abstract_canon_sha256":"c1ffa200dd2c1468b9db148b0bebd9c49efcd0332096ac6f449d537848823003"},"schema_version":"1.0"},"canonical_sha256":"602a846dea545dd2d44e583ed9f80a06f64750d9ab72ba663a9f40175f5a462b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:40.295771Z","signature_b64":"tvzpZ3CEJjgLAp9X7E+F0raaVqnimJ63XOn+jTTAH8HL7mwJ2rEx/OfgIVBW5bumg+OuXq23LFcqCPexx0LcAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"602a846dea545dd2d44e583ed9f80a06f64750d9ab72ba663a9f40175f5a462b","last_reissued_at":"2026-05-18T02:00:40.294979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:40.294979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.0677","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hBpbxovH/Cd09qT/DMJG1w6NXj0hRi/KABpDAtcqsbUJpXddjLZAJcVCVomgnTUIqP2U/P66lL/tIYJTHOIcAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T20:35:09.644391Z"},"content_sha256":"23f96c166baf4aa9390642e3ef407739e706d5783bf51a276333a3ac02ba74bf","schema_version":"1.0","event_id":"sha256:23f96c166baf4aa9390642e3ef407739e706d5783bf51a276333a3ac02ba74bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:MAVII3PKKRO5FVCOLA7NT6AKA3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Maser Emission toward the Infrared Dark Cloud G359.94+0.17 Seen in Silhouette against the Galactic Center","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D. Tafoya, N. Shino, S. Deguchi","submitted_at":"2011-09-04T06:41:43Z","abstract_excerpt":"The infrared dark cloud G359.94+0.17 is a conspicuous, opaque cloud, which is seen in silhouette against the Galactic center. We found unexpectedly strong (~50 Jy) maser emission of CH3OH at 44 GHz with additional weak 22 GHz H2O maser and 43 GHz SiO thermal emissions toward this cloud. Detections of these molecular lines indicate that strong star forming activities are proceeding in this cloud, which were not reported previously despite of numerous works toward the Galactic center. The line profiles of the NH3 inversion lines at 23 GHz indicate that G359.94+0.17 is composed of mainly two clou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0677","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T02:00:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UV0E0MC/mlHinVT6rr5z6v/ZvuOoN2butfSXOqkU49bR/gg1D0lYJNmmuO32hVbqgGYNS4M/j4637WgJtrblDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T20:35:09.645058Z"},"content_sha256":"2d3243e95cad0c1174038498ffdcdff861328e2fbbb1b75249235af0438cc97a","schema_version":"1.0","event_id":"sha256:2d3243e95cad0c1174038498ffdcdff861328e2fbbb1b75249235af0438cc97a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MAVII3PKKRO5FVCOLA7NT6AKA3/bundle.json","state_url":"https://pith.science/pith/MAVII3PKKRO5FVCOLA7NT6AKA3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MAVII3PKKRO5FVCOLA7NT6AKA3/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":"2026-05-29T20:35:09Z","links":{"resolver":"https://pith.science/pith/MAVII3PKKRO5FVCOLA7NT6AKA3","bundle":"https://pith.science/pith/MAVII3PKKRO5FVCOLA7NT6AKA3/bundle.json","state":"https://pith.science/pith/MAVII3PKKRO5FVCOLA7NT6AKA3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MAVII3PKKRO5FVCOLA7NT6AKA3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:MAVII3PKKRO5FVCOLA7NT6AKA3","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":"c1ffa200dd2c1468b9db148b0bebd9c49efcd0332096ac6f449d537848823003","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-04T06:41:43Z","title_canon_sha256":"3ca772a439ec27b6b8ee23cca3a3a4cc45c50ed227cb033dcd06d4f05898390a"},"schema_version":"1.0","source":{"id":"1109.0677","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0677","created_at":"2026-05-18T02:00:40Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0677v2","created_at":"2026-05-18T02:00:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0677","created_at":"2026-05-18T02:00:40Z"},{"alias_kind":"pith_short_12","alias_value":"MAVII3PKKRO5","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"MAVII3PKKRO5FVCO","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"MAVII3PK","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:2d3243e95cad0c1174038498ffdcdff861328e2fbbb1b75249235af0438cc97a","target":"graph","created_at":"2026-05-18T02:00:40Z","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"},"paper":{"abstract_excerpt":"The infrared dark cloud G359.94+0.17 is a conspicuous, opaque cloud, which is seen in silhouette against the Galactic center. We found unexpectedly strong (~50 Jy) maser emission of CH3OH at 44 GHz with additional weak 22 GHz H2O maser and 43 GHz SiO thermal emissions toward this cloud. Detections of these molecular lines indicate that strong star forming activities are proceeding in this cloud, which were not reported previously despite of numerous works toward the Galactic center. The line profiles of the NH3 inversion lines at 23 GHz indicate that G359.94+0.17 is composed of mainly two clou","authors_text":"D. Tafoya, N. Shino, S. Deguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-04T06:41:43Z","title":"Maser Emission toward the Infrared Dark Cloud G359.94+0.17 Seen in Silhouette against the Galactic Center"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0677","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":"sha256:23f96c166baf4aa9390642e3ef407739e706d5783bf51a276333a3ac02ba74bf","target":"record","created_at":"2026-05-18T02:00:40Z","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":"c1ffa200dd2c1468b9db148b0bebd9c49efcd0332096ac6f449d537848823003","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-04T06:41:43Z","title_canon_sha256":"3ca772a439ec27b6b8ee23cca3a3a4cc45c50ed227cb033dcd06d4f05898390a"},"schema_version":"1.0","source":{"id":"1109.0677","kind":"arxiv","version":2}},"canonical_sha256":"602a846dea545dd2d44e583ed9f80a06f64750d9ab72ba663a9f40175f5a462b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"602a846dea545dd2d44e583ed9f80a06f64750d9ab72ba663a9f40175f5a462b","first_computed_at":"2026-05-18T02:00:40.294979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:40.294979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tvzpZ3CEJjgLAp9X7E+F0raaVqnimJ63XOn+jTTAH8HL7mwJ2rEx/OfgIVBW5bumg+OuXq23LFcqCPexx0LcAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:40.295771Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.0677","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23f96c166baf4aa9390642e3ef407739e706d5783bf51a276333a3ac02ba74bf","sha256:2d3243e95cad0c1174038498ffdcdff861328e2fbbb1b75249235af0438cc97a"],"state_sha256":"2c4379bc2ea19c3652bbaa259a947ee2515974e53be077c5ad235c060275cc9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WTPFLItUqWVjt57DrprJqR/6EuYOYMTuElXsJGB3yqlXWCDU50bEX0sHiglmlKtFEZq7ETuuikLTvtsJ1AmvDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T20:35:09.648828Z","bundle_sha256":"a664b0e9883753be2d3e4563b8a741e05b6180e35817d946d5892320cc433778"}}