{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:AU6YGSCQVGI7AVGW45HZDTO7UG","short_pith_number":"pith:AU6YGSCQ","schema_version":"1.0","canonical_sha256":"053d834850a991f054d6e74f91cddfa1aa3a86cb8ce9050ecbf202d1e142544c","source":{"kind":"arxiv","id":"2004.10209","version":2},"attestation_state":"computed","paper":{"title":"A Model-Insensitive Baryon Acoustic Oscillation Feature in the 21 cm Signal from Reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anson D'Aloisio, Christopher Cain, Hy Trac, Matthew McQuinn, Vid Ir\\v{s}i\\v{c}","submitted_at":"2020-04-21T18:00:01Z","abstract_excerpt":"We examine the impact of baryon-dark matter relative velocities on intergalactic small-scale structure and the 21 cm signal during reionization. Streaming velocities reduced clumping in the intergalactic medium (IGM) on mass scales of $\\sim 10^4 - 10^8$ M$_{\\odot}$. This effect produced a distinct baryon acoustic oscillation (BAO) feature in the 21 cm power spectrum at wave numbers $k\\sim 0.1$ h/Mpc, near which forthcoming surveys will be most sensitive. In contrast to the highly uncertain impact of streaming velocities on star formation, the effect on clumping is better constrained because it"},"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":"2004.10209","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-04-21T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"53a937148fc47bdaedb4cdc2a51aa485973760646bf8476f88b8232839c3f2b2","abstract_canon_sha256":"2ad5366a7a353d76b6c1824db6108309df64beaed4e259883f08ab5310e15508"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:27:22.759085Z","signature_b64":"bpwVjUxgy7Q/SiCXG9Fnvo2Bu2gkGqBEkjplDW7GeQ9r4zk4/JU0begmEXIGc4xDYRtKFdECB0XNvySZl+UKDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"053d834850a991f054d6e74f91cddfa1aa3a86cb8ce9050ecbf202d1e142544c","last_reissued_at":"2026-07-05T01:27:22.758681Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:27:22.758681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Model-Insensitive Baryon Acoustic Oscillation Feature in the 21 cm Signal from Reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anson D'Aloisio, Christopher Cain, Hy Trac, Matthew McQuinn, Vid Ir\\v{s}i\\v{c}","submitted_at":"2020-04-21T18:00:01Z","abstract_excerpt":"We examine the impact of baryon-dark matter relative velocities on intergalactic small-scale structure and the 21 cm signal during reionization. Streaming velocities reduced clumping in the intergalactic medium (IGM) on mass scales of $\\sim 10^4 - 10^8$ M$_{\\odot}$. This effect produced a distinct baryon acoustic oscillation (BAO) feature in the 21 cm power spectrum at wave numbers $k\\sim 0.1$ h/Mpc, near which forthcoming surveys will be most sensitive. In contrast to the highly uncertain impact of streaming velocities on star formation, the effect on clumping is better constrained because it"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.10209","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/2004.10209/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":"2004.10209","created_at":"2026-07-05T01:27:22.758735+00:00"},{"alias_kind":"arxiv_version","alias_value":"2004.10209v2","created_at":"2026-07-05T01:27:22.758735+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.10209","created_at":"2026-07-05T01:27:22.758735+00:00"},{"alias_kind":"pith_short_12","alias_value":"AU6YGSCQVGI7","created_at":"2026-07-05T01:27:22.758735+00:00"},{"alias_kind":"pith_short_16","alias_value":"AU6YGSCQVGI7AVGW","created_at":"2026-07-05T01:27:22.758735+00:00"},{"alias_kind":"pith_short_8","alias_value":"AU6YGSCQ","created_at":"2026-07-05T01:27:22.758735+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.02638","citing_title":"An Alcock-Paczynski Test on Reionization Bubbles for Cosmology","ref_index":25,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG","json":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG.json","graph_json":"https://pith.science/api/pith-number/AU6YGSCQVGI7AVGW45HZDTO7UG/graph.json","events_json":"https://pith.science/api/pith-number/AU6YGSCQVGI7AVGW45HZDTO7UG/events.json","paper":"https://pith.science/paper/AU6YGSCQ"},"agent_actions":{"view_html":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG","download_json":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG.json","view_paper":"https://pith.science/paper/AU6YGSCQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2004.10209&json=true","fetch_graph":"https://pith.science/api/pith-number/AU6YGSCQVGI7AVGW45HZDTO7UG/graph.json","fetch_events":"https://pith.science/api/pith-number/AU6YGSCQVGI7AVGW45HZDTO7UG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG/action/storage_attestation","attest_author":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG/action/author_attestation","sign_citation":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG/action/citation_signature","submit_replication":"https://pith.science/pith/AU6YGSCQVGI7AVGW45HZDTO7UG/action/replication_record"}},"created_at":"2026-07-05T01:27:22.758735+00:00","updated_at":"2026-07-05T01:27:22.758735+00:00"}