{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:PDUSADZOHH7XCEE34FOQSKPP65","short_pith_number":"pith:PDUSADZO","schema_version":"1.0","canonical_sha256":"78e9200f2e39ff71109be15d0929eff76851b83f63ae33a80e74352e08405169","source":{"kind":"arxiv","id":"1501.04203","version":1},"attestation_state":"computed","paper":{"title":"HI tomographic imaging of the Cosmic Dawn and Epoch of Reionization with SKA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrei Mesinger, Garrelt Mellema, Hemant Shukla, Kanan K. Datta, Le\\'on Koopmans, Suman Majumdar (on behalf of the CD/EoR Science Working Group)","submitted_at":"2015-01-17T15:06:59Z","abstract_excerpt":"We provide an overview of 21cm tomography of the Cosmic Dawn and Epoch of Reionization as possible with SKA-Low. We show why tomography is essential for studying CD/EoR and present the scales which can be imaged at different frequencies for the different phases of SKA- Low. Next we discuss the different ways in which tomographic data can be analyzed. We end with an overview of science questions which can only be answered by tomography, ranging from the characterization of individual objects to understanding the global processes shaping the Universe during the CD/EoR"},"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":"1501.04203","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-01-17T15:06:59Z","cross_cats_sorted":[],"title_canon_sha256":"d3d5d0912edc8ee7b0b35f068ec6f72e3498543ee121b96a08af87f27d8c3911","abstract_canon_sha256":"641ffc1b7cdf160c437a33255603a86d2a9ebc4c06caf9b385cc227dfafcbc4f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:54:57.031956Z","signature_b64":"pRG5LQtjYSkJQMfHkeGKPPNeXzpwe5KlQRIoOGn/3HkXvLsbRiAMbpN5sVKe11BorgaWk1Si6hoS2cclIqlWDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78e9200f2e39ff71109be15d0929eff76851b83f63ae33a80e74352e08405169","last_reissued_at":"2026-07-04T23:54:57.031476Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:54:57.031476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"HI tomographic imaging of the Cosmic Dawn and Epoch of Reionization with SKA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrei Mesinger, Garrelt Mellema, Hemant Shukla, Kanan K. Datta, Le\\'on Koopmans, Suman Majumdar (on behalf of the CD/EoR Science Working Group)","submitted_at":"2015-01-17T15:06:59Z","abstract_excerpt":"We provide an overview of 21cm tomography of the Cosmic Dawn and Epoch of Reionization as possible with SKA-Low. We show why tomography is essential for studying CD/EoR and present the scales which can be imaged at different frequencies for the different phases of SKA- Low. Next we discuss the different ways in which tomographic data can be analyzed. We end with an overview of science questions which can only be answered by tomography, ranging from the characterization of individual objects to understanding the global processes shaping the Universe during the CD/EoR"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.04203","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1501.04203/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":"1501.04203","created_at":"2026-07-04T23:54:57.031535+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.04203v1","created_at":"2026-07-04T23:54:57.031535+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.04203","created_at":"2026-07-04T23:54:57.031535+00:00"},{"alias_kind":"pith_short_12","alias_value":"PDUSADZOHH7X","created_at":"2026-07-04T23:54:57.031535+00:00"},{"alias_kind":"pith_short_16","alias_value":"PDUSADZOHH7XCEE3","created_at":"2026-07-04T23:54:57.031535+00:00"},{"alias_kind":"pith_short_8","alias_value":"PDUSADZO","created_at":"2026-07-04T23:54:57.031535+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2602.15803","citing_title":"Nearest Neighbour-Based Statistics for 21cm-Galaxy Cross-Correlations in the Epoch of Reionization","ref_index":38,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65","json":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65.json","graph_json":"https://pith.science/api/pith-number/PDUSADZOHH7XCEE34FOQSKPP65/graph.json","events_json":"https://pith.science/api/pith-number/PDUSADZOHH7XCEE34FOQSKPP65/events.json","paper":"https://pith.science/paper/PDUSADZO"},"agent_actions":{"view_html":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65","download_json":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65.json","view_paper":"https://pith.science/paper/PDUSADZO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.04203&json=true","fetch_graph":"https://pith.science/api/pith-number/PDUSADZOHH7XCEE34FOQSKPP65/graph.json","fetch_events":"https://pith.science/api/pith-number/PDUSADZOHH7XCEE34FOQSKPP65/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65/action/storage_attestation","attest_author":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65/action/author_attestation","sign_citation":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65/action/citation_signature","submit_replication":"https://pith.science/pith/PDUSADZOHH7XCEE34FOQSKPP65/action/replication_record"}},"created_at":"2026-07-04T23:54:57.031535+00:00","updated_at":"2026-07-04T23:54:57.031535+00:00"}