{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:NJOYJHDEV53DCI46BTI2XW5A6D","short_pith_number":"pith:NJOYJHDE","schema_version":"1.0","canonical_sha256":"6a5d849c64af7631239e0cd1abdba0f0f5ef505b8592b8292fde7cca4c8efc96","source":{"kind":"arxiv","id":"1312.2301","version":1},"attestation_state":"computed","paper":{"title":"Deep 20-GHz survey of the Chandra Deep Field South and SDSS Stripe 82: source catalogue and spectral properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"E. K. Mahony, E. M. Sadler, E. M. Waldram, I. H Whittam, R. Chhetri, R. D. Ekers, R. P. Norris, T. M. O. Franzen, T. Murphy","submitted_at":"2013-12-09T03:38:54Z","abstract_excerpt":"We present a source catalogue and first results from a deep, blind radio survey carried out at 20 GHz with the Australia Telescope Compact Array, with follow-up observations at 5.5, 9 and 18 GHz. The Australia Telescope 20 GHz (AT20G) deep pilot survey covers a total area of 5 deg^2 in the Chandra Deep Field South and in Stripe 82 of the Sloan Digital Sky Survey. We estimate the survey to be 90% complete above 2.5 mJy. Of the 85 sources detected, 55% have steep spectra (alpha_{1.4}^{20} < -0.5) and 45% have flat or inverted spectra (alpha_{1.4}^{20} >= -0.5).\n  The steep-spectrum sources tend "},"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":"1312.2301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-09T03:38:54Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"deb724352b842767d5dc05b0c710950f548e32531963850af26050756485e92b","abstract_canon_sha256":"b92aae6eeaad1f9670ec6054496b2aff47f51012fd3dc93898e150a6657d0e6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:30.701947Z","signature_b64":"yPrwpCNZm9SjJmxilaVgaCkT+aFTAaGCGJryz8QfcFDZVi33q8nYRo7gA/29SeJ2o7JCaeJDVuoKA0UnM67pBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a5d849c64af7631239e0cd1abdba0f0f5ef505b8592b8292fde7cca4c8efc96","last_reissued_at":"2026-05-18T02:49:30.701499Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:30.701499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deep 20-GHz survey of the Chandra Deep Field South and SDSS Stripe 82: source catalogue and spectral properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"E. K. Mahony, E. M. Sadler, E. M. Waldram, I. H Whittam, R. Chhetri, R. D. Ekers, R. P. Norris, T. M. O. Franzen, T. Murphy","submitted_at":"2013-12-09T03:38:54Z","abstract_excerpt":"We present a source catalogue and first results from a deep, blind radio survey carried out at 20 GHz with the Australia Telescope Compact Array, with follow-up observations at 5.5, 9 and 18 GHz. The Australia Telescope 20 GHz (AT20G) deep pilot survey covers a total area of 5 deg^2 in the Chandra Deep Field South and in Stripe 82 of the Sloan Digital Sky Survey. We estimate the survey to be 90% complete above 2.5 mJy. Of the 85 sources detected, 55% have steep spectra (alpha_{1.4}^{20} < -0.5) and 45% have flat or inverted spectra (alpha_{1.4}^{20} >= -0.5).\n  The steep-spectrum sources tend "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2301","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":"1312.2301","created_at":"2026-05-18T02:49:30.701562+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.2301v1","created_at":"2026-05-18T02:49:30.701562+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2301","created_at":"2026-05-18T02:49:30.701562+00:00"},{"alias_kind":"pith_short_12","alias_value":"NJOYJHDEV53D","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"NJOYJHDEV53DCI46","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"NJOYJHDE","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/NJOYJHDEV53DCI46BTI2XW5A6D","json":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D.json","graph_json":"https://pith.science/api/pith-number/NJOYJHDEV53DCI46BTI2XW5A6D/graph.json","events_json":"https://pith.science/api/pith-number/NJOYJHDEV53DCI46BTI2XW5A6D/events.json","paper":"https://pith.science/paper/NJOYJHDE"},"agent_actions":{"view_html":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D","download_json":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D.json","view_paper":"https://pith.science/paper/NJOYJHDE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.2301&json=true","fetch_graph":"https://pith.science/api/pith-number/NJOYJHDEV53DCI46BTI2XW5A6D/graph.json","fetch_events":"https://pith.science/api/pith-number/NJOYJHDEV53DCI46BTI2XW5A6D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D/action/storage_attestation","attest_author":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D/action/author_attestation","sign_citation":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D/action/citation_signature","submit_replication":"https://pith.science/pith/NJOYJHDEV53DCI46BTI2XW5A6D/action/replication_record"}},"created_at":"2026-05-18T02:49:30.701562+00:00","updated_at":"2026-05-18T02:49:30.701562+00:00"}