{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:VQDQZKLHWCF6W3AEKF5GUIX6VH","short_pith_number":"pith:VQDQZKLH","schema_version":"1.0","canonical_sha256":"ac070ca967b08beb6c04517a6a22fea9c4ee30de907fe790e2441da04c592648","source":{"kind":"arxiv","id":"astro-ph/0611409","version":2},"attestation_state":"computed","paper":{"title":"A highly obscured and strongly clustered galaxy population discovered with the Spitzer Space Telescope","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Lapi, D. Fadda, G. de Zotti, G.L. Granato, L. Danese, L. Silva, M. Magliocchetti","submitted_at":"2006-11-13T21:59:03Z","abstract_excerpt":"The ~800 optically unseen (R>25.5) 24mum-selected sources in the complete Spitzer First Look Survey sample (Fadda et al. 2006) with F[24mum]>0.35 mJy are found to be very strongly clustered. If, as indicated by several lines of circumstantial evidence, they are ultraluminous far-IR galaxies at z ~ [1.6-2.7], the amplitude of their spatial correlation function is very high. The associated comoving clustering length is estimated to be r_0=14.0_{-2.4}^{+2.1} Mpc, value which puts these sources amongst the most strongly clustered populations of our known universe. Their 8mum-24mum colours suggest "},"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":"astro-ph/0611409","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-13T21:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"780b70018fc3d76d1819d85bbc9ea607aee9217669eca43db272558b0ebb84de","abstract_canon_sha256":"c998cf83ac52cc63b59b36703d7a9527fae64520f72ce4e1d6c36e0d5527d171"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:16:22.956511Z","signature_b64":"TFrrK86I3ZTTfcUhlLphNa/nj4GF9m1NDM55C8XYj3/EbAyzU5X4BCSNmSaTTYmmAL7jlEpHaXRceOe3P1mUBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac070ca967b08beb6c04517a6a22fea9c4ee30de907fe790e2441da04c592648","last_reissued_at":"2026-07-04T15:16:22.955966Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:16:22.955966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A highly obscured and strongly clustered galaxy population discovered with the Spitzer Space Telescope","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Lapi, D. Fadda, G. de Zotti, G.L. Granato, L. Danese, L. Silva, M. Magliocchetti","submitted_at":"2006-11-13T21:59:03Z","abstract_excerpt":"The ~800 optically unseen (R>25.5) 24mum-selected sources in the complete Spitzer First Look Survey sample (Fadda et al. 2006) with F[24mum]>0.35 mJy are found to be very strongly clustered. If, as indicated by several lines of circumstantial evidence, they are ultraluminous far-IR galaxies at z ~ [1.6-2.7], the amplitude of their spatial correlation function is very high. The associated comoving clustering length is estimated to be r_0=14.0_{-2.4}^{+2.1} Mpc, value which puts these sources amongst the most strongly clustered populations of our known universe. Their 8mum-24mum colours suggest "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611409","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0611409/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0611409","created_at":"2026-07-04T15:16:22.956047+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611409v2","created_at":"2026-07-04T15:16:22.956047+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611409","created_at":"2026-07-04T15:16:22.956047+00:00"},{"alias_kind":"pith_short_12","alias_value":"VQDQZKLHWCF6","created_at":"2026-07-04T15:16:22.956047+00:00"},{"alias_kind":"pith_short_16","alias_value":"VQDQZKLHWCF6W3AE","created_at":"2026-07-04T15:16:22.956047+00:00"},{"alias_kind":"pith_short_8","alias_value":"VQDQZKLH","created_at":"2026-07-04T15:16:22.956047+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/VQDQZKLHWCF6W3AEKF5GUIX6VH","json":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH.json","graph_json":"https://pith.science/api/pith-number/VQDQZKLHWCF6W3AEKF5GUIX6VH/graph.json","events_json":"https://pith.science/api/pith-number/VQDQZKLHWCF6W3AEKF5GUIX6VH/events.json","paper":"https://pith.science/paper/VQDQZKLH"},"agent_actions":{"view_html":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH","download_json":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH.json","view_paper":"https://pith.science/paper/VQDQZKLH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0611409&json=true","fetch_graph":"https://pith.science/api/pith-number/VQDQZKLHWCF6W3AEKF5GUIX6VH/graph.json","fetch_events":"https://pith.science/api/pith-number/VQDQZKLHWCF6W3AEKF5GUIX6VH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH/action/storage_attestation","attest_author":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH/action/author_attestation","sign_citation":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH/action/citation_signature","submit_replication":"https://pith.science/pith/VQDQZKLHWCF6W3AEKF5GUIX6VH/action/replication_record"}},"created_at":"2026-07-04T15:16:22.956047+00:00","updated_at":"2026-07-04T15:16:22.956047+00:00"}