{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:UONRURGWORDLKSSWVKGBAAJTYD","short_pith_number":"pith:UONRURGW","schema_version":"1.0","canonical_sha256":"a39b1a44d67446b54a56aa8c100133c0e95415f30e2ccf75d3488f8721ca4e76","source":{"kind":"arxiv","id":"1711.00656","version":1},"attestation_state":"computed","paper":{"title":"The Physical Properties of Galaxies with Unusually Red Mid-Infrared Colours","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Guinevere Kauffmann","submitted_at":"2017-11-02T09:19:33Z","abstract_excerpt":"The goal of this paper is to investigate the physical nature of galaxies in the redshift range $0.02<z<0.15$ that have strong excess emission at mid-IR wavelengths and to determine whether they host a population of accreting black holes that cannot be identified using optical emission lines. We show that at fixed stellar mass $M_*$ and $D_n(4000)$, the distribution of [3.4]-[4.6] $\\mu$m (WISE W1-W2 band) colours is sharply peaked, with a long tail to much redder W1-W2 colours. We introduce a procedure to pull out the red outlier population based on a combination of three stellar population dia"},"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":"1711.00656","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-02T09:19:33Z","cross_cats_sorted":[],"title_canon_sha256":"3b3e6de5d607ff223ba007a78964721407e519816cff3e7ae3e23e1b552e7f2c","abstract_canon_sha256":"6070303812122fcdb402a63295974f54a527647e308ade47dc5d51f074416079"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:12.871050Z","signature_b64":"OfapkGim+KFIf/Cyk1TmEMk1E2aXuOYHQT3ZiNAs6BqLkKGGXBK52DidTgDa3f0vjHKZ6xmL6o3/QiW7gS6EDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a39b1a44d67446b54a56aa8c100133c0e95415f30e2ccf75d3488f8721ca4e76","last_reissued_at":"2026-05-18T00:28:12.870463Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:12.870463Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Physical Properties of Galaxies with Unusually Red Mid-Infrared Colours","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Guinevere Kauffmann","submitted_at":"2017-11-02T09:19:33Z","abstract_excerpt":"The goal of this paper is to investigate the physical nature of galaxies in the redshift range $0.02<z<0.15$ that have strong excess emission at mid-IR wavelengths and to determine whether they host a population of accreting black holes that cannot be identified using optical emission lines. We show that at fixed stellar mass $M_*$ and $D_n(4000)$, the distribution of [3.4]-[4.6] $\\mu$m (WISE W1-W2 band) colours is sharply peaked, with a long tail to much redder W1-W2 colours. We introduce a procedure to pull out the red outlier population based on a combination of three stellar population dia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.00656","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":"1711.00656","created_at":"2026-05-18T00:28:12.870568+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.00656v1","created_at":"2026-05-18T00:28:12.870568+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.00656","created_at":"2026-05-18T00:28:12.870568+00:00"},{"alias_kind":"pith_short_12","alias_value":"UONRURGWORDL","created_at":"2026-05-18T12:31:46.661854+00:00"},{"alias_kind":"pith_short_16","alias_value":"UONRURGWORDLKSSW","created_at":"2026-05-18T12:31:46.661854+00:00"},{"alias_kind":"pith_short_8","alias_value":"UONRURGW","created_at":"2026-05-18T12:31:46.661854+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/UONRURGWORDLKSSWVKGBAAJTYD","json":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD.json","graph_json":"https://pith.science/api/pith-number/UONRURGWORDLKSSWVKGBAAJTYD/graph.json","events_json":"https://pith.science/api/pith-number/UONRURGWORDLKSSWVKGBAAJTYD/events.json","paper":"https://pith.science/paper/UONRURGW"},"agent_actions":{"view_html":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD","download_json":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD.json","view_paper":"https://pith.science/paper/UONRURGW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.00656&json=true","fetch_graph":"https://pith.science/api/pith-number/UONRURGWORDLKSSWVKGBAAJTYD/graph.json","fetch_events":"https://pith.science/api/pith-number/UONRURGWORDLKSSWVKGBAAJTYD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD/action/storage_attestation","attest_author":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD/action/author_attestation","sign_citation":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD/action/citation_signature","submit_replication":"https://pith.science/pith/UONRURGWORDLKSSWVKGBAAJTYD/action/replication_record"}},"created_at":"2026-05-18T00:28:12.870568+00:00","updated_at":"2026-05-18T00:28:12.870568+00:00"}