{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:4TJQJZWYIEAFWN5UEYMIGU33HI","short_pith_number":"pith:4TJQJZWY","schema_version":"1.0","canonical_sha256":"e4d304e6d841005b37b4261883537b3a37807fdd66bd8c953defa1cdc62e4961","source":{"kind":"arxiv","id":"2605.29276","version":1},"attestation_state":"computed","paper":{"title":"A Designer's Guide to Lunar Far-Side Interferometer Array: Power Spectrum Measurement and Cosmological Constraints from the Dark Ages","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Bin Yue, Chen Zhang, Furen Deng, Xuelei Chen, Yidong Xu, Yuewei Wen","submitted_at":"2026-05-28T02:52:43Z","abstract_excerpt":"The 21-cm emission line from neutral hydrogen during the cosmic Dark Ages can be a powerful probe of cosmological models and early universe physics. This work provides a quantitative forecast for the design requirements of a lunar far-side interferometer array aimed at measuring the 21-cm power spectrum and constraining inflationary models through the running of the spectral index $\\alpha_s$. During the Dark Ages, larger collapsed objects have not yet formed, allowing linear perturbation theory to remain valid down to much smaller scales than is possible in current large-scale structure or CMB"},"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":"2605.29276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-05-28T02:52:43Z","cross_cats_sorted":[],"title_canon_sha256":"070093e33d0c59986916392a90211f167bbf99380b913f01f96ee96fdac8d902","abstract_canon_sha256":"2f02a3f4a87ae8cfc1675117f9dcf05a371b410bfb0812d6d8b3ad05cd3eb6e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T01:05:28.659399Z","signature_b64":"XmpO5fYjZ5iqoHiFwz9tluRGtCMYEzXRzjfvFmYMQF/dqmmQ6GYNn4loHNpbnw/7YCpPq64SSFdTDJ07RaARCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4d304e6d841005b37b4261883537b3a37807fdd66bd8c953defa1cdc62e4961","last_reissued_at":"2026-05-29T01:05:28.658816Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T01:05:28.658816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Designer's Guide to Lunar Far-Side Interferometer Array: Power Spectrum Measurement and Cosmological Constraints from the Dark Ages","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Bin Yue, Chen Zhang, Furen Deng, Xuelei Chen, Yidong Xu, Yuewei Wen","submitted_at":"2026-05-28T02:52:43Z","abstract_excerpt":"The 21-cm emission line from neutral hydrogen during the cosmic Dark Ages can be a powerful probe of cosmological models and early universe physics. This work provides a quantitative forecast for the design requirements of a lunar far-side interferometer array aimed at measuring the 21-cm power spectrum and constraining inflationary models through the running of the spectral index $\\alpha_s$. During the Dark Ages, larger collapsed objects have not yet formed, allowing linear perturbation theory to remain valid down to much smaller scales than is possible in current large-scale structure or CMB"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29276","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/2605.29276/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":"2605.29276","created_at":"2026-05-29T01:05:28.658902+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.29276v1","created_at":"2026-05-29T01:05:28.658902+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29276","created_at":"2026-05-29T01:05:28.658902+00:00"},{"alias_kind":"pith_short_12","alias_value":"4TJQJZWYIEAF","created_at":"2026-05-29T01:05:28.658902+00:00"},{"alias_kind":"pith_short_16","alias_value":"4TJQJZWYIEAFWN5U","created_at":"2026-05-29T01:05:28.658902+00:00"},{"alias_kind":"pith_short_8","alias_value":"4TJQJZWY","created_at":"2026-05-29T01:05:28.658902+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/4TJQJZWYIEAFWN5UEYMIGU33HI","json":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI.json","graph_json":"https://pith.science/api/pith-number/4TJQJZWYIEAFWN5UEYMIGU33HI/graph.json","events_json":"https://pith.science/api/pith-number/4TJQJZWYIEAFWN5UEYMIGU33HI/events.json","paper":"https://pith.science/paper/4TJQJZWY"},"agent_actions":{"view_html":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI","download_json":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI.json","view_paper":"https://pith.science/paper/4TJQJZWY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.29276&json=true","fetch_graph":"https://pith.science/api/pith-number/4TJQJZWYIEAFWN5UEYMIGU33HI/graph.json","fetch_events":"https://pith.science/api/pith-number/4TJQJZWYIEAFWN5UEYMIGU33HI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI/action/storage_attestation","attest_author":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI/action/author_attestation","sign_citation":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI/action/citation_signature","submit_replication":"https://pith.science/pith/4TJQJZWYIEAFWN5UEYMIGU33HI/action/replication_record"}},"created_at":"2026-05-29T01:05:28.658902+00:00","updated_at":"2026-05-29T01:05:28.658902+00:00"}