{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:7QOSPOFEUYNA7C32CK7CTZEKRK","short_pith_number":"pith:7QOSPOFE","schema_version":"1.0","canonical_sha256":"fc1d27b8a4a61a0f8b7a12be29e48a8a88e315ba39bbe9fa25e12e45e33e302f","source":{"kind":"arxiv","id":"astro-ph/0409312","version":2},"attestation_state":"computed","paper":{"title":"Probing the Dark Ages with the Square Kilometer Array","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Carilli (NRAO), F. Briggs (ATNF), H. Falcke (ASTRON), M. Jarvis, S. Furlanetto (Caltech), S. Rawlings (Oxford)","submitted_at":"2004-09-13T22:32:17Z","abstract_excerpt":"The epoch of reionization (EoR) sets a fundamental benchmark in cosmic structure formation, corresponding to the formation of the first luminous objects that act to ionize the neutral intergalactic medium (IGM). Recent observations at near-IR and radio wavelengths imply that we are finally probing into this key epoch of galaxy formation at $z \\ge 6$. The Square Kilometer Array (SKA) will provide critical insight into the EoR in a number of ways. First, the ability of the SKA to image the neutral IGM in 21cm emission is a truly unique probe of the process of reionization, and is recognized as t"},"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/0409312","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-09-13T22:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"ed9ac32cb65a07d3c9e1948526d183d467e2bea9d46255fd5e488ab3ddd12a8a","abstract_canon_sha256":"c53f8fa1c571b9498ec099fc8e55f3359ebccf7560a562cd4d87c0f4788bff2e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:44:41.337119Z","signature_b64":"cR3XSy2UEy3OqztUzrdEGkMJvcLo2FwZhimigLxLsPhvVdRbo9vJsOx90lZEwSDZRW05aSJ6WJqoRXMJaWl1Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc1d27b8a4a61a0f8b7a12be29e48a8a88e315ba39bbe9fa25e12e45e33e302f","last_reissued_at":"2026-07-04T16:44:41.336734Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:44:41.336734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the Dark Ages with the Square Kilometer Array","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Carilli (NRAO), F. Briggs (ATNF), H. Falcke (ASTRON), M. Jarvis, S. Furlanetto (Caltech), S. Rawlings (Oxford)","submitted_at":"2004-09-13T22:32:17Z","abstract_excerpt":"The epoch of reionization (EoR) sets a fundamental benchmark in cosmic structure formation, corresponding to the formation of the first luminous objects that act to ionize the neutral intergalactic medium (IGM). Recent observations at near-IR and radio wavelengths imply that we are finally probing into this key epoch of galaxy formation at $z \\ge 6$. The Square Kilometer Array (SKA) will provide critical insight into the EoR in a number of ways. First, the ability of the SKA to image the neutral IGM in 21cm emission is a truly unique probe of the process of reionization, and is recognized as t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0409312","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/0409312/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/0409312","created_at":"2026-07-04T16:44:41.336791+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0409312v2","created_at":"2026-07-04T16:44:41.336791+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0409312","created_at":"2026-07-04T16:44:41.336791+00:00"},{"alias_kind":"pith_short_12","alias_value":"7QOSPOFEUYNA","created_at":"2026-07-04T16:44:41.336791+00:00"},{"alias_kind":"pith_short_16","alias_value":"7QOSPOFEUYNA7C32","created_at":"2026-07-04T16:44:41.336791+00:00"},{"alias_kind":"pith_short_8","alias_value":"7QOSPOFE","created_at":"2026-07-04T16:44:41.336791+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/7QOSPOFEUYNA7C32CK7CTZEKRK","json":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK.json","graph_json":"https://pith.science/api/pith-number/7QOSPOFEUYNA7C32CK7CTZEKRK/graph.json","events_json":"https://pith.science/api/pith-number/7QOSPOFEUYNA7C32CK7CTZEKRK/events.json","paper":"https://pith.science/paper/7QOSPOFE"},"agent_actions":{"view_html":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK","download_json":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK.json","view_paper":"https://pith.science/paper/7QOSPOFE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0409312&json=true","fetch_graph":"https://pith.science/api/pith-number/7QOSPOFEUYNA7C32CK7CTZEKRK/graph.json","fetch_events":"https://pith.science/api/pith-number/7QOSPOFEUYNA7C32CK7CTZEKRK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK/action/storage_attestation","attest_author":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK/action/author_attestation","sign_citation":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK/action/citation_signature","submit_replication":"https://pith.science/pith/7QOSPOFEUYNA7C32CK7CTZEKRK/action/replication_record"}},"created_at":"2026-07-04T16:44:41.336791+00:00","updated_at":"2026-07-04T16:44:41.336791+00:00"}