{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:YZNMQAOCVFC6D5XRT4ONYAP7KV","short_pith_number":"pith:YZNMQAOC","schema_version":"1.0","canonical_sha256":"c65ac801c2a945e1f6f19f1cdc01ff5568db2632a6cd092113ce3898d27460b8","source":{"kind":"arxiv","id":"2405.14938","version":2},"attestation_state":"computed","paper":{"title":"The Supersonic Project: Early Star Formation with the Streaming Velocity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Avi Chen, Blakesley Burkhart, Claire E. Williams, Federico Marinacci, Gen Chiaki, Mark Vogelsberger, Naoki Yoshida, Smadar Naoz, William Lake, Yeou S. Chiou","submitted_at":"2024-05-23T18:00:02Z","abstract_excerpt":"At high redshifts ($z\\gtrsim12$), the relative velocity between baryons and dark matter (the so-called streaming velocity) significantly affects star formation in low-mass objects. Streaming substantially reduces the abundance of low-mass gas objects while simultaneously allowing for the formation of supersonically-induced gas objects (SIGOs) and their associated star clusters outside of dark matter halos. Here, we present a study of the population-level effects of streaming on star formation within both halos and SIGOs in a set of simulations with and without streaming. Notably, we find that "},"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":"2405.14938","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-23T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"d68dc3c40709676a48965d57ecb2f73f099ba7a13e74fdd631c82ec8d15e6af5","abstract_canon_sha256":"3880254974b7848ff0b6822a1d679e0671ebcdce592c0178d293b0355917de69"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:51:17.342083Z","signature_b64":"1XWNxSizL99WYgN/gBar2qW5ClvlxD+PnaFs7pRCzcokZMK4HzgaE1SdBUS8ktx7nTehNeJ4UzaPFO5sdVp1Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c65ac801c2a945e1f6f19f1cdc01ff5568db2632a6cd092113ce3898d27460b8","last_reissued_at":"2026-07-05T08:51:17.341610Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:51:17.341610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Supersonic Project: Early Star Formation with the Streaming Velocity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Avi Chen, Blakesley Burkhart, Claire E. Williams, Federico Marinacci, Gen Chiaki, Mark Vogelsberger, Naoki Yoshida, Smadar Naoz, William Lake, Yeou S. Chiou","submitted_at":"2024-05-23T18:00:02Z","abstract_excerpt":"At high redshifts ($z\\gtrsim12$), the relative velocity between baryons and dark matter (the so-called streaming velocity) significantly affects star formation in low-mass objects. Streaming substantially reduces the abundance of low-mass gas objects while simultaneously allowing for the formation of supersonically-induced gas objects (SIGOs) and their associated star clusters outside of dark matter halos. Here, we present a study of the population-level effects of streaming on star formation within both halos and SIGOs in a set of simulations with and without streaming. Notably, we find that "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.14938","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/2405.14938/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":"2405.14938","created_at":"2026-07-05T08:51:17.341678+00:00"},{"alias_kind":"arxiv_version","alias_value":"2405.14938v2","created_at":"2026-07-05T08:51:17.341678+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.14938","created_at":"2026-07-05T08:51:17.341678+00:00"},{"alias_kind":"pith_short_12","alias_value":"YZNMQAOCVFC6","created_at":"2026-07-05T08:51:17.341678+00:00"},{"alias_kind":"pith_short_16","alias_value":"YZNMQAOCVFC6D5XR","created_at":"2026-07-05T08:51:17.341678+00:00"},{"alias_kind":"pith_short_8","alias_value":"YZNMQAOC","created_at":"2026-07-05T08:51:17.341678+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/YZNMQAOCVFC6D5XRT4ONYAP7KV","json":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV.json","graph_json":"https://pith.science/api/pith-number/YZNMQAOCVFC6D5XRT4ONYAP7KV/graph.json","events_json":"https://pith.science/api/pith-number/YZNMQAOCVFC6D5XRT4ONYAP7KV/events.json","paper":"https://pith.science/paper/YZNMQAOC"},"agent_actions":{"view_html":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV","download_json":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV.json","view_paper":"https://pith.science/paper/YZNMQAOC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2405.14938&json=true","fetch_graph":"https://pith.science/api/pith-number/YZNMQAOCVFC6D5XRT4ONYAP7KV/graph.json","fetch_events":"https://pith.science/api/pith-number/YZNMQAOCVFC6D5XRT4ONYAP7KV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV/action/storage_attestation","attest_author":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV/action/author_attestation","sign_citation":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV/action/citation_signature","submit_replication":"https://pith.science/pith/YZNMQAOCVFC6D5XRT4ONYAP7KV/action/replication_record"}},"created_at":"2026-07-05T08:51:17.341678+00:00","updated_at":"2026-07-05T08:51:17.341678+00:00"}