{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:2FBQVSHTSULFHP5QFITBPNYR3F","short_pith_number":"pith:2FBQVSHT","schema_version":"1.0","canonical_sha256":"d1430ac8f3951653bfb02a2617b711d9741f128a0bbe27e469099667f4e0b414","source":{"kind":"arxiv","id":"1604.05682","version":1},"attestation_state":"computed","paper":{"title":"H2O masers in a jet-driven bowshock: Episodic ejection from a massive young stellar object","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"K. Sunada, R. A. Burns, T. Handa, T. Nagayama, T. Omodaka","submitted_at":"2016-04-19T18:20:34Z","abstract_excerpt":"We report the results of VERA multi-epoch VLBI 22 GHz water maser observations of S255IR-SMA1, a massive young stellar object located in the S255 star forming region. By annual parallax the source distance was measured as D = 1.78 +-0.12 kpc and the source systemic motion was (u alpha cos d, u d) = (-0.13 +- 0.20, -0.06 +- 0.27) mas yr-1. Masers appear to trace a U-shaped bow shock whose morphology and proper motions are well reproduced by a jet-driven outflow model with a jet radius of about 6 AU. The maser data, in the context of other works in the literature, reveal ejections from S255IR-SM"},"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":"1604.05682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-04-19T18:20:34Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"58f656237fc6142df701b0b73ef027a8b36e25f3d6d16df059f5fd63ab3ebf3e","abstract_canon_sha256":"05d2fd0d26cf0eeeba7be031044c87d30fc95a172c1fb153748ce18e34738dc0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:12.680405Z","signature_b64":"5tz2mgZ3Z35D5V/kPB9iHk12ohsi09iV1HCA5LxzB8j7xYUPJ4DAsn+mi8muT4BwJfMra9aI9z0+TYIuaUqeAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1430ac8f3951653bfb02a2617b711d9741f128a0bbe27e469099667f4e0b414","last_reissued_at":"2026-05-18T01:16:12.679713Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:12.679713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"H2O masers in a jet-driven bowshock: Episodic ejection from a massive young stellar object","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"K. Sunada, R. A. Burns, T. Handa, T. Nagayama, T. Omodaka","submitted_at":"2016-04-19T18:20:34Z","abstract_excerpt":"We report the results of VERA multi-epoch VLBI 22 GHz water maser observations of S255IR-SMA1, a massive young stellar object located in the S255 star forming region. By annual parallax the source distance was measured as D = 1.78 +-0.12 kpc and the source systemic motion was (u alpha cos d, u d) = (-0.13 +- 0.20, -0.06 +- 0.27) mas yr-1. Masers appear to trace a U-shaped bow shock whose morphology and proper motions are well reproduced by a jet-driven outflow model with a jet radius of about 6 AU. The maser data, in the context of other works in the literature, reveal ejections from S255IR-SM"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05682","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":"1604.05682","created_at":"2026-05-18T01:16:12.679823+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.05682v1","created_at":"2026-05-18T01:16:12.679823+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05682","created_at":"2026-05-18T01:16:12.679823+00:00"},{"alias_kind":"pith_short_12","alias_value":"2FBQVSHTSULF","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_16","alias_value":"2FBQVSHTSULFHP5Q","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_8","alias_value":"2FBQVSHT","created_at":"2026-05-18T12:29:55.572404+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/2FBQVSHTSULFHP5QFITBPNYR3F","json":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F.json","graph_json":"https://pith.science/api/pith-number/2FBQVSHTSULFHP5QFITBPNYR3F/graph.json","events_json":"https://pith.science/api/pith-number/2FBQVSHTSULFHP5QFITBPNYR3F/events.json","paper":"https://pith.science/paper/2FBQVSHT"},"agent_actions":{"view_html":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F","download_json":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F.json","view_paper":"https://pith.science/paper/2FBQVSHT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.05682&json=true","fetch_graph":"https://pith.science/api/pith-number/2FBQVSHTSULFHP5QFITBPNYR3F/graph.json","fetch_events":"https://pith.science/api/pith-number/2FBQVSHTSULFHP5QFITBPNYR3F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F/action/storage_attestation","attest_author":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F/action/author_attestation","sign_citation":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F/action/citation_signature","submit_replication":"https://pith.science/pith/2FBQVSHTSULFHP5QFITBPNYR3F/action/replication_record"}},"created_at":"2026-05-18T01:16:12.679823+00:00","updated_at":"2026-05-18T01:16:12.679823+00:00"}