{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:IV7BDQC6DQ5TMSYMSDXD623SLU","short_pith_number":"pith:IV7BDQC6","schema_version":"1.0","canonical_sha256":"457e11c05e1c3b364b0c90ee3f6b725d2351b2e0a09a9ff8934e5abe6a0862d8","source":{"kind":"arxiv","id":"1501.04897","version":2},"attestation_state":"computed","paper":{"title":"The powerful jet of an off-nuclear intermediate-mass black hole in the spiral galaxy NGC 2276","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"A.D. Sutton, A.P. Lobanov, M. Mezcua, T.P. Roberts","submitted_at":"2015-01-20T17:52:09Z","abstract_excerpt":"Jet ejection by accreting black holes is a mass invariant mechanism unifying stellar and supermassive black holes (SMBHs) that should also apply for intermediate-mass black holes (IMBHs), which are thought to be the seeds from which SMBHs form. We present the detection of an off-nuclear IMBH of $\\sim$5 $\\times$ 10$^{4}$ M$_\\odot$ located in an unusual spiral arm of the galaxy NGC 2276 based on quasi-simultaneous \\textit{Chandra} X-ray observations and European VLBI Network (EVN) radio observations. The IMBH, NGC2276-3c, possesses a 1.8 pc radio jet that is oriented in the same direction as lar"},"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":"1501.04897","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-20T17:52:09Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"0099479b20b76bea4f0d661e0f56eb9c0b61aa9c41b98ffaf8194c6c9d5691b8","abstract_canon_sha256":"4e6a63f2177f3c6a6c05a2bfb837f00192d1a6d66acddc458be666911216fbb7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:43.864881Z","signature_b64":"9zrX2OzGz2arhntmHtjYBiAWIRA6VN40vQGdmM040IEDs/GPVrdtl6r9izVJHQAagiLD6aSNbI086K9cWozGDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"457e11c05e1c3b364b0c90ee3f6b725d2351b2e0a09a9ff8934e5abe6a0862d8","last_reissued_at":"2026-05-18T02:27:43.864329Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:43.864329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The powerful jet of an off-nuclear intermediate-mass black hole in the spiral galaxy NGC 2276","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"A.D. Sutton, A.P. Lobanov, M. Mezcua, T.P. Roberts","submitted_at":"2015-01-20T17:52:09Z","abstract_excerpt":"Jet ejection by accreting black holes is a mass invariant mechanism unifying stellar and supermassive black holes (SMBHs) that should also apply for intermediate-mass black holes (IMBHs), which are thought to be the seeds from which SMBHs form. We present the detection of an off-nuclear IMBH of $\\sim$5 $\\times$ 10$^{4}$ M$_\\odot$ located in an unusual spiral arm of the galaxy NGC 2276 based on quasi-simultaneous \\textit{Chandra} X-ray observations and European VLBI Network (EVN) radio observations. The IMBH, NGC2276-3c, possesses a 1.8 pc radio jet that is oriented in the same direction as lar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.04897","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":"1501.04897","created_at":"2026-05-18T02:27:43.864427+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.04897v2","created_at":"2026-05-18T02:27:43.864427+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.04897","created_at":"2026-05-18T02:27:43.864427+00:00"},{"alias_kind":"pith_short_12","alias_value":"IV7BDQC6DQ5T","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_16","alias_value":"IV7BDQC6DQ5TMSYM","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_8","alias_value":"IV7BDQC6","created_at":"2026-05-18T12:29:25.134429+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/IV7BDQC6DQ5TMSYMSDXD623SLU","json":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU.json","graph_json":"https://pith.science/api/pith-number/IV7BDQC6DQ5TMSYMSDXD623SLU/graph.json","events_json":"https://pith.science/api/pith-number/IV7BDQC6DQ5TMSYMSDXD623SLU/events.json","paper":"https://pith.science/paper/IV7BDQC6"},"agent_actions":{"view_html":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU","download_json":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU.json","view_paper":"https://pith.science/paper/IV7BDQC6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.04897&json=true","fetch_graph":"https://pith.science/api/pith-number/IV7BDQC6DQ5TMSYMSDXD623SLU/graph.json","fetch_events":"https://pith.science/api/pith-number/IV7BDQC6DQ5TMSYMSDXD623SLU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU/action/storage_attestation","attest_author":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU/action/author_attestation","sign_citation":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU/action/citation_signature","submit_replication":"https://pith.science/pith/IV7BDQC6DQ5TMSYMSDXD623SLU/action/replication_record"}},"created_at":"2026-05-18T02:27:43.864427+00:00","updated_at":"2026-05-18T02:27:43.864427+00:00"}