{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:T6TUX5TCTKK63GKWYA4DRVA27L","short_pith_number":"pith:T6TUX5TC","schema_version":"1.0","canonical_sha256":"9fa74bf6629a95ed9956c03838d41afad9854fe251581da7851549432249cf2a","source":{"kind":"arxiv","id":"1501.03506","version":2},"attestation_state":"computed","paper":{"title":"Ultra-deep catalog of X-ray groups in the Extended Chandra Deep Field South","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. Choi, A. Comastri, A. Finoguenov, B. Luo, C. Heymans, C. Schmid, D. Wilman, F.E. Bauer, F. Ziparo, G. Hasinger, J. Mulchaey, J. Silverman, L. Howes, M. Cooper, M. Tanaka, N. Cappelluti, P. Capak, P. Popesso, P. Ranalli, P. Rosati, P. Tozzi, V. Allevato, V. Mainieri, W.N. Brandt, Y.Q. Xue","submitted_at":"2015-01-14T21:01:07Z","abstract_excerpt":"Ultra-deep observations of ECDF-S with Chandra and XMM-Newton enable a search for extended X-ray emission down to an unprecedented flux of $2\\times10^{-16}$ ergs s$^{-1}$ cm$^{-2}$. We present the search for the extended emission on spatial scales of 32$^{\\prime\\prime}$ in both Chandra and XMM data, covering 0.3 square degrees and model the extended emission on scales of arcminutes. We present a catalog of 46 spectroscopically identified groups, reaching a redshift of 1.6. We show that the statistical properties of ECDF-S, such as logN-logS and X-ray luminosity function are broadly consistent "},"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":"1501.03506","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-14T21:01:07Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"4ded884a852d5920c0ff8bc29deee2f3ac183dea24d75f3730025ebfb038e38e","abstract_canon_sha256":"ab0ea04bb1eb1fb7e6c718fdf2e0053f525636619c88a95398e16a270af04004"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:15.422716Z","signature_b64":"lwI9u0c4pBuqr08AJfrKds83r708PajzDMde7R4eNjySG5ctwgouUc+sitOLRgA7w7CbLBJLxPkuDGDSs8L/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fa74bf6629a95ed9956c03838d41afad9854fe251581da7851549432249cf2a","last_reissued_at":"2026-05-18T02:18:15.422055Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:15.422055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultra-deep catalog of X-ray groups in the Extended Chandra Deep Field South","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. Choi, A. Comastri, A. Finoguenov, B. Luo, C. Heymans, C. Schmid, D. Wilman, F.E. Bauer, F. Ziparo, G. Hasinger, J. Mulchaey, J. Silverman, L. Howes, M. Cooper, M. Tanaka, N. Cappelluti, P. Capak, P. Popesso, P. Ranalli, P. Rosati, P. Tozzi, V. Allevato, V. Mainieri, W.N. Brandt, Y.Q. Xue","submitted_at":"2015-01-14T21:01:07Z","abstract_excerpt":"Ultra-deep observations of ECDF-S with Chandra and XMM-Newton enable a search for extended X-ray emission down to an unprecedented flux of $2\\times10^{-16}$ ergs s$^{-1}$ cm$^{-2}$. We present the search for the extended emission on spatial scales of 32$^{\\prime\\prime}$ in both Chandra and XMM data, covering 0.3 square degrees and model the extended emission on scales of arcminutes. We present a catalog of 46 spectroscopically identified groups, reaching a redshift of 1.6. We show that the statistical properties of ECDF-S, such as logN-logS and X-ray luminosity function are broadly consistent "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03506","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":"1501.03506","created_at":"2026-05-18T02:18:15.422161+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.03506v2","created_at":"2026-05-18T02:18:15.422161+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03506","created_at":"2026-05-18T02:18:15.422161+00:00"},{"alias_kind":"pith_short_12","alias_value":"T6TUX5TCTKK6","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_16","alias_value":"T6TUX5TCTKK63GKW","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_8","alias_value":"T6TUX5TC","created_at":"2026-05-18T12:29:42.218222+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.15264","citing_title":"Near-IR Weak-lensing (NIRWL) Measurements in the CANDELS Fields. II. Mass Mapping and Overdensity Characterization","ref_index":64,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L","json":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L.json","graph_json":"https://pith.science/api/pith-number/T6TUX5TCTKK63GKWYA4DRVA27L/graph.json","events_json":"https://pith.science/api/pith-number/T6TUX5TCTKK63GKWYA4DRVA27L/events.json","paper":"https://pith.science/paper/T6TUX5TC"},"agent_actions":{"view_html":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L","download_json":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L.json","view_paper":"https://pith.science/paper/T6TUX5TC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.03506&json=true","fetch_graph":"https://pith.science/api/pith-number/T6TUX5TCTKK63GKWYA4DRVA27L/graph.json","fetch_events":"https://pith.science/api/pith-number/T6TUX5TCTKK63GKWYA4DRVA27L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L/action/storage_attestation","attest_author":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L/action/author_attestation","sign_citation":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L/action/citation_signature","submit_replication":"https://pith.science/pith/T6TUX5TCTKK63GKWYA4DRVA27L/action/replication_record"}},"created_at":"2026-05-18T02:18:15.422161+00:00","updated_at":"2026-05-18T02:18:15.422161+00:00"}