{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:DTO7EGZJV7FR7ITFJVJXJTQ5JW","short_pith_number":"pith:DTO7EGZJ","schema_version":"1.0","canonical_sha256":"1cddf21b29afcb1fa2654d5374ce1d4d96e1b054d992ebb185347cceb954bcac","source":{"kind":"arxiv","id":"2006.09402","version":2},"attestation_state":"computed","paper":{"title":"Missing [CII] emission from early galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Ferrara, A. Fontana, A. Lupi, A. Pallottini, E. Vanzella, L. Pentericci, L. Vallini, M. Castellano, M. Kohandel, R. Maiolino, S. Carniani, S. Gallerani","submitted_at":"2020-06-16T18:00:12Z","abstract_excerpt":"ALMA observations have revealed that [CII] 158$\\mu$m line emission in high-z galaxies is ~2-3$\\times$ more extended than the UV continuum emission. Here we explore whether surface brightness dimming (SBD) of the [CII] line is responsible for the reported [CII] deficit, and the large $L_{\\rm [OIII]}/L_{\\rm [CII]}$ luminosity ratio measured in early galaxies. We first analyse archival ALMA images of nine z>6 galaxies observed in both [CII] and [OIII]. After performing several uv-tapering experiments to optimize the identification of extended line emission, we detect [CII] emission in the whole 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":"2006.09402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-16T18:00:12Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d375c8af6a0ad315175286a05d7391f20688ded0eee07dc384cbd177c5ff6a09","abstract_canon_sha256":"a6d52b92a7b56b7d06888b5bf9fdc449efbd9322c802a64613cde86848518d48"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:57:17.462075Z","signature_b64":"7OQLn0vUWe+Aw8YAo5a18hD8pouG0c9D5mHRTK0Y3gneeQiUCh7QTJgCCRRXSOJM4OnqPzsbYN4y6Rb5x64hDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cddf21b29afcb1fa2654d5374ce1d4d96e1b054d992ebb185347cceb954bcac","last_reissued_at":"2026-07-05T01:57:17.461481Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:57:17.461481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Missing [CII] emission from early galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Ferrara, A. Fontana, A. Lupi, A. Pallottini, E. Vanzella, L. Pentericci, L. Vallini, M. Castellano, M. Kohandel, R. Maiolino, S. Carniani, S. Gallerani","submitted_at":"2020-06-16T18:00:12Z","abstract_excerpt":"ALMA observations have revealed that [CII] 158$\\mu$m line emission in high-z galaxies is ~2-3$\\times$ more extended than the UV continuum emission. Here we explore whether surface brightness dimming (SBD) of the [CII] line is responsible for the reported [CII] deficit, and the large $L_{\\rm [OIII]}/L_{\\rm [CII]}$ luminosity ratio measured in early galaxies. We first analyse archival ALMA images of nine z>6 galaxies observed in both [CII] and [OIII]. After performing several uv-tapering experiments to optimize the identification of extended line emission, we detect [CII] emission in the whole s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.09402","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/2006.09402/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":"2006.09402","created_at":"2026-07-05T01:57:17.461552+00:00"},{"alias_kind":"arxiv_version","alias_value":"2006.09402v2","created_at":"2026-07-05T01:57:17.461552+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.09402","created_at":"2026-07-05T01:57:17.461552+00:00"},{"alias_kind":"pith_short_12","alias_value":"DTO7EGZJV7FR","created_at":"2026-07-05T01:57:17.461552+00:00"},{"alias_kind":"pith_short_16","alias_value":"DTO7EGZJV7FR7ITF","created_at":"2026-07-05T01:57:17.461552+00:00"},{"alias_kind":"pith_short_8","alias_value":"DTO7EGZJ","created_at":"2026-07-05T01:57:17.461552+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/DTO7EGZJV7FR7ITFJVJXJTQ5JW","json":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW.json","graph_json":"https://pith.science/api/pith-number/DTO7EGZJV7FR7ITFJVJXJTQ5JW/graph.json","events_json":"https://pith.science/api/pith-number/DTO7EGZJV7FR7ITFJVJXJTQ5JW/events.json","paper":"https://pith.science/paper/DTO7EGZJ"},"agent_actions":{"view_html":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW","download_json":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW.json","view_paper":"https://pith.science/paper/DTO7EGZJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2006.09402&json=true","fetch_graph":"https://pith.science/api/pith-number/DTO7EGZJV7FR7ITFJVJXJTQ5JW/graph.json","fetch_events":"https://pith.science/api/pith-number/DTO7EGZJV7FR7ITFJVJXJTQ5JW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW/action/storage_attestation","attest_author":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW/action/author_attestation","sign_citation":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW/action/citation_signature","submit_replication":"https://pith.science/pith/DTO7EGZJV7FR7ITFJVJXJTQ5JW/action/replication_record"}},"created_at":"2026-07-05T01:57:17.461552+00:00","updated_at":"2026-07-05T01:57:17.461552+00:00"}