{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:Z3O3KASC2JHAQW6ZJJUYOISROD","short_pith_number":"pith:Z3O3KASC","schema_version":"1.0","canonical_sha256":"ceddb50242d24e085bd94a6987225170fe98b355cf531eaf41968a2ba224574c","source":{"kind":"arxiv","id":"1903.05986","version":2},"attestation_state":"computed","paper":{"title":"A new bow-shock source with bipolar morphology in the vicinity of Sgr A*","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Eckart, B. Shahzamanian, F. Pei{\\ss}ker, M. Parsa, M. Zajacek, N. Sabha","submitted_at":"2019-03-14T13:32:01Z","abstract_excerpt":"Here we present a new bowshock blue-shifted source in the close vicinity of Sgr A* that we name X8. We use data-sets that are based on SINFONI observations with the Very Large Telescope. We can trace the source between 2006 and 2016 in the blue-shifted line maps and it shows not only positional similarities to X7 but also the same spectral footprint. The symmetry axis of both extended sources points towards Sgr A* and exhibits [Fe III] emission lines that arise due to wind-wind shocks. In particular, the source X8 has a bipolar morphology, which makes it the closest bipolar source in the vicin"},"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":"1903.05986","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-14T13:32:01Z","cross_cats_sorted":[],"title_canon_sha256":"ff3c667236a8ca421bd21dafde6a23f16939839cd8671b4ab6c9ddc6684a5323","abstract_canon_sha256":"e309996a762990bb2da801b97dd7ed291a9be75cbe5231e176ff669a5913132f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:23.248937Z","signature_b64":"4EZ2l2cJJ8QUp0yDuc44QvtzYDcCtkwnc9phrhZ050UcO+gQmOfZX7zNvr02Ld4WRIH4aKd5PaSfIQVXbIxtBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ceddb50242d24e085bd94a6987225170fe98b355cf531eaf41968a2ba224574c","last_reissued_at":"2026-05-17T23:48:23.248216Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:23.248216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A new bow-shock source with bipolar morphology in the vicinity of Sgr A*","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Eckart, B. Shahzamanian, F. Pei{\\ss}ker, M. Parsa, M. Zajacek, N. Sabha","submitted_at":"2019-03-14T13:32:01Z","abstract_excerpt":"Here we present a new bowshock blue-shifted source in the close vicinity of Sgr A* that we name X8. We use data-sets that are based on SINFONI observations with the Very Large Telescope. We can trace the source between 2006 and 2016 in the blue-shifted line maps and it shows not only positional similarities to X7 but also the same spectral footprint. The symmetry axis of both extended sources points towards Sgr A* and exhibits [Fe III] emission lines that arise due to wind-wind shocks. In particular, the source X8 has a bipolar morphology, which makes it the closest bipolar source in the vicin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05986","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1903.05986","created_at":"2026-05-17T23:48:23.248331+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.05986v2","created_at":"2026-05-17T23:48:23.248331+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05986","created_at":"2026-05-17T23:48:23.248331+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z3O3KASC2JHA","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z3O3KASC2JHAQW6Z","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z3O3KASC","created_at":"2026-05-18T12:33:33.725879+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/Z3O3KASC2JHAQW6ZJJUYOISROD","json":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD.json","graph_json":"https://pith.science/api/pith-number/Z3O3KASC2JHAQW6ZJJUYOISROD/graph.json","events_json":"https://pith.science/api/pith-number/Z3O3KASC2JHAQW6ZJJUYOISROD/events.json","paper":"https://pith.science/paper/Z3O3KASC"},"agent_actions":{"view_html":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD","download_json":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD.json","view_paper":"https://pith.science/paper/Z3O3KASC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.05986&json=true","fetch_graph":"https://pith.science/api/pith-number/Z3O3KASC2JHAQW6ZJJUYOISROD/graph.json","fetch_events":"https://pith.science/api/pith-number/Z3O3KASC2JHAQW6ZJJUYOISROD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD/action/storage_attestation","attest_author":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD/action/author_attestation","sign_citation":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD/action/citation_signature","submit_replication":"https://pith.science/pith/Z3O3KASC2JHAQW6ZJJUYOISROD/action/replication_record"}},"created_at":"2026-05-17T23:48:23.248331+00:00","updated_at":"2026-05-17T23:48:23.248331+00:00"}