{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:2D4BIJK7BWLU3EJH5C7OA33VKT","short_pith_number":"pith:2D4BIJK7","schema_version":"1.0","canonical_sha256":"d0f814255f0d974d9127e8bee06f7554f094653493c023b6fe3df6c1b42bfd98","source":{"kind":"arxiv","id":"1109.2429","version":1},"attestation_state":"computed","paper":{"title":"Bursting Activity in a High-Mass Star-Forming Region G33.64-0.21 Observed with the 6.7 GHz Methanol Maser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Akihiro Doi, Hideo Ogawa, Hideyuki Kobayashi, Kenta Fujisawa, Koichiro Sugiyama, Mareki Honma, Nanako Mochizuki, Noriyuki Kawaguchi, Nozomu Aoki, Tomoya Hirota, Toshihiro Omodaka, Yoshinori Yonekura","submitted_at":"2011-09-12T10:59:21Z","abstract_excerpt":"We report the detection of bursts of 6.7 GHz methanol maser emission in a high-mass star-forming region, G33.64-0.21. One of the spectral components of the maser in this source changed its flux density by 7 times that of the previous day, and it decayed with a timescale of 5 days. The burst occurred repeatedly in the spectral component, and no other components showed such variability. A VLBI observation with the Japanese VLBI Network (JVN) showed that the burst location was at the southwest edge of a spatial distribution, and the bursting phenomenon occurred in a region much smaller than 70 AU"},"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":"1109.2429","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-12T10:59:21Z","cross_cats_sorted":[],"title_canon_sha256":"7e9111e75fdd941f9b304d085d671a9df019d0e3bfcb96a40840c341363ff998","abstract_canon_sha256":"454ee0c40323725732abb9f2e33f944f470c64bd3cc2afa66f7c70cf54efb7be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:34.538207Z","signature_b64":"LEUwwZdvoBDFDYZQLPNQIrUih1O08JEADAgiw5VaPmhgnbWx2HuPfNxykl8n76AI1MKhDN/1mA8SP5+rIv75DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0f814255f0d974d9127e8bee06f7554f094653493c023b6fe3df6c1b42bfd98","last_reissued_at":"2026-05-18T02:00:34.537642Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:34.537642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bursting Activity in a High-Mass Star-Forming Region G33.64-0.21 Observed with the 6.7 GHz Methanol Maser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Akihiro Doi, Hideo Ogawa, Hideyuki Kobayashi, Kenta Fujisawa, Koichiro Sugiyama, Mareki Honma, Nanako Mochizuki, Noriyuki Kawaguchi, Nozomu Aoki, Tomoya Hirota, Toshihiro Omodaka, Yoshinori Yonekura","submitted_at":"2011-09-12T10:59:21Z","abstract_excerpt":"We report the detection of bursts of 6.7 GHz methanol maser emission in a high-mass star-forming region, G33.64-0.21. One of the spectral components of the maser in this source changed its flux density by 7 times that of the previous day, and it decayed with a timescale of 5 days. The burst occurred repeatedly in the spectral component, and no other components showed such variability. A VLBI observation with the Japanese VLBI Network (JVN) showed that the burst location was at the southwest edge of a spatial distribution, and the bursting phenomenon occurred in a region much smaller than 70 AU"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2429","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":""},"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":"1109.2429","created_at":"2026-05-18T02:00:34.537741+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.2429v1","created_at":"2026-05-18T02:00:34.537741+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2429","created_at":"2026-05-18T02:00:34.537741+00:00"},{"alias_kind":"pith_short_12","alias_value":"2D4BIJK7BWLU","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"2D4BIJK7BWLU3EJH","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"2D4BIJK7","created_at":"2026-05-18T12:26:18.847500+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/2D4BIJK7BWLU3EJH5C7OA33VKT","json":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT.json","graph_json":"https://pith.science/api/pith-number/2D4BIJK7BWLU3EJH5C7OA33VKT/graph.json","events_json":"https://pith.science/api/pith-number/2D4BIJK7BWLU3EJH5C7OA33VKT/events.json","paper":"https://pith.science/paper/2D4BIJK7"},"agent_actions":{"view_html":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT","download_json":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT.json","view_paper":"https://pith.science/paper/2D4BIJK7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.2429&json=true","fetch_graph":"https://pith.science/api/pith-number/2D4BIJK7BWLU3EJH5C7OA33VKT/graph.json","fetch_events":"https://pith.science/api/pith-number/2D4BIJK7BWLU3EJH5C7OA33VKT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT/action/storage_attestation","attest_author":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT/action/author_attestation","sign_citation":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT/action/citation_signature","submit_replication":"https://pith.science/pith/2D4BIJK7BWLU3EJH5C7OA33VKT/action/replication_record"}},"created_at":"2026-05-18T02:00:34.537741+00:00","updated_at":"2026-05-18T02:00:34.537741+00:00"}