{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:NW3GLFFYWFPN257X2B5W2AD62X","short_pith_number":"pith:NW3GLFFY","schema_version":"1.0","canonical_sha256":"6db66594b8b15edd77f7d07b6d007ed5dfa10be37bb4a26523f74d88d7b96f44","source":{"kind":"arxiv","id":"1305.3399","version":1},"attestation_state":"computed","paper":{"title":"A return to strong radio flaring by Circinus X-1 observed with the Karoo Array Telescope test array KAT-7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. Fanaroff, G.D. Nicolson, J.Horrell, J. Jonas, L. Richter, M. Coriat, M. Linares, M. P. E. Schurch, P. Woudt, R. Booth, R. P. Armstrong, R.P. Fender, S. Ratcliffe","submitted_at":"2013-05-15T09:16:06Z","abstract_excerpt":"Circinus X-1 is a bright and highly variable X-ray binary which displays strong and rapid evolution in all wavebands. Radio flaring, associated with the production of a relativistic jet, occurs periodically on a ~17-day timescale. A longer-term envelope modulates the peak radio fluxes in flares, ranging from peaks in excess of a Jansky in the 1970s to an historic low of milliJanskys during the years 1994 to 2007. Here we report first observations of this source with the MeerKAT test array, KAT-7, part of the pathfinder development for the African dish component of the Square Kilometre Array (S"},"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":"1305.3399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-15T09:16:06Z","cross_cats_sorted":[],"title_canon_sha256":"ad1c27099e9f9f2095c87c98f7ac5d7aba59860bdc6c1adff5654126441772cb","abstract_canon_sha256":"e9ed18b77f7ace283fa4d720bd439d15ff96b935c0249aef1445e00c051866b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:57.013971Z","signature_b64":"F4XvRVfP+ZQG0yjbwkYm2elMUufxpAEadMCg26kAY0q/FUQuzrmKHSpnSW0TJ6trA7uL/64xdIiidvIUKNU5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6db66594b8b15edd77f7d07b6d007ed5dfa10be37bb4a26523f74d88d7b96f44","last_reissued_at":"2026-05-18T01:49:57.013520Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:57.013520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A return to strong radio flaring by Circinus X-1 observed with the Karoo Array Telescope test array KAT-7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. Fanaroff, G.D. Nicolson, J.Horrell, J. Jonas, L. Richter, M. Coriat, M. Linares, M. P. E. Schurch, P. Woudt, R. Booth, R. P. Armstrong, R.P. Fender, S. Ratcliffe","submitted_at":"2013-05-15T09:16:06Z","abstract_excerpt":"Circinus X-1 is a bright and highly variable X-ray binary which displays strong and rapid evolution in all wavebands. Radio flaring, associated with the production of a relativistic jet, occurs periodically on a ~17-day timescale. A longer-term envelope modulates the peak radio fluxes in flares, ranging from peaks in excess of a Jansky in the 1970s to an historic low of milliJanskys during the years 1994 to 2007. Here we report first observations of this source with the MeerKAT test array, KAT-7, part of the pathfinder development for the African dish component of the Square Kilometre Array (S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3399","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":"1305.3399","created_at":"2026-05-18T01:49:57.013588+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.3399v1","created_at":"2026-05-18T01:49:57.013588+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3399","created_at":"2026-05-18T01:49:57.013588+00:00"},{"alias_kind":"pith_short_12","alias_value":"NW3GLFFYWFPN","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"NW3GLFFYWFPN257X","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"NW3GLFFY","created_at":"2026-05-18T12:27:52.871228+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/NW3GLFFYWFPN257X2B5W2AD62X","json":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X.json","graph_json":"https://pith.science/api/pith-number/NW3GLFFYWFPN257X2B5W2AD62X/graph.json","events_json":"https://pith.science/api/pith-number/NW3GLFFYWFPN257X2B5W2AD62X/events.json","paper":"https://pith.science/paper/NW3GLFFY"},"agent_actions":{"view_html":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X","download_json":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X.json","view_paper":"https://pith.science/paper/NW3GLFFY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.3399&json=true","fetch_graph":"https://pith.science/api/pith-number/NW3GLFFYWFPN257X2B5W2AD62X/graph.json","fetch_events":"https://pith.science/api/pith-number/NW3GLFFYWFPN257X2B5W2AD62X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X/action/storage_attestation","attest_author":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X/action/author_attestation","sign_citation":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X/action/citation_signature","submit_replication":"https://pith.science/pith/NW3GLFFYWFPN257X2B5W2AD62X/action/replication_record"}},"created_at":"2026-05-18T01:49:57.013588+00:00","updated_at":"2026-05-18T01:49:57.013588+00:00"}