{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:FDVMUEC5IMBKM7AAKGRNOVVFKT","short_pith_number":"pith:FDVMUEC5","schema_version":"1.0","canonical_sha256":"28eaca105d4302a67c0051a2d756a554c54c8fe530ace8f450773ce0793075f6","source":{"kind":"arxiv","id":"2606.02711","version":1},"attestation_state":"computed","paper":{"title":"Lyman-alpha Pressure Strongly Enhances Pre-Supernova Feedback at Cosmic Dawn: The First Multi-Dimensional Lyman-alpha Radiation Hydrodynamics Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Aaron Smith, Daniele Manzoni, Garrelt Mellema, Kevin Lorinc, Olof Nebrin","submitted_at":"2026-06-01T18:00:03Z","abstract_excerpt":"The dynamical role of Lyman-$\\alpha$ (Ly$\\alpha$) radiation pressure feedback has been debated for nearly a century, with recent analytical and 1D numerical studies highlighting its potential dominance over other stellar feedback processes at Cosmic Dawn. Despite this, no multi-dimensional Ly$\\alpha$ radiation hydrodynamics (RHD) simulations have been performed to date. In this paper, we present the first 2D Ly$\\alpha$ RHD simulations using Lydion, an RHD code with a novel M1 moment method for Ly$\\alpha$ transfer, and self-consistent dust dynamics. Lydion yields a $\\sim \\mathcal{O}(100) \\,\\tim"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2606.02711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-01T18:00:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3c8ce910889036f784c3fc99472727503ef1369b6dcd559f795f0d16c5c7eea7","abstract_canon_sha256":"ea43e1cff451569de6cdd6ce096674ea1494bf6c31ff14b9335b96e36a862c90"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T00:05:07.614130Z","signature_b64":"NWIrTf4H+qe02txL2GS7bJE7loobiL+4pGJW12r9fWRTrKIaEgqBTSTK5TAlWis+hNaakIA1GYVGYX2PjNsuAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28eaca105d4302a67c0051a2d756a554c54c8fe530ace8f450773ce0793075f6","last_reissued_at":"2026-06-03T00:05:07.613671Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T00:05:07.613671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lyman-alpha Pressure Strongly Enhances Pre-Supernova Feedback at Cosmic Dawn: The First Multi-Dimensional Lyman-alpha Radiation Hydrodynamics Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Aaron Smith, Daniele Manzoni, Garrelt Mellema, Kevin Lorinc, Olof Nebrin","submitted_at":"2026-06-01T18:00:03Z","abstract_excerpt":"The dynamical role of Lyman-$\\alpha$ (Ly$\\alpha$) radiation pressure feedback has been debated for nearly a century, with recent analytical and 1D numerical studies highlighting its potential dominance over other stellar feedback processes at Cosmic Dawn. Despite this, no multi-dimensional Ly$\\alpha$ radiation hydrodynamics (RHD) simulations have been performed to date. In this paper, we present the first 2D Ly$\\alpha$ RHD simulations using Lydion, an RHD code with a novel M1 moment method for Ly$\\alpha$ transfer, and self-consistent dust dynamics. Lydion yields a $\\sim \\mathcal{O}(100) \\,\\tim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.02711","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/2606.02711/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":"2606.02711","created_at":"2026-06-03T00:05:07.613729+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.02711v1","created_at":"2026-06-03T00:05:07.613729+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.02711","created_at":"2026-06-03T00:05:07.613729+00:00"},{"alias_kind":"pith_short_12","alias_value":"FDVMUEC5IMBK","created_at":"2026-06-03T00:05:07.613729+00:00"},{"alias_kind":"pith_short_16","alias_value":"FDVMUEC5IMBKM7AA","created_at":"2026-06-03T00:05:07.613729+00:00"},{"alias_kind":"pith_short_8","alias_value":"FDVMUEC5","created_at":"2026-06-03T00:05:07.613729+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/FDVMUEC5IMBKM7AAKGRNOVVFKT","json":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT.json","graph_json":"https://pith.science/api/pith-number/FDVMUEC5IMBKM7AAKGRNOVVFKT/graph.json","events_json":"https://pith.science/api/pith-number/FDVMUEC5IMBKM7AAKGRNOVVFKT/events.json","paper":"https://pith.science/paper/FDVMUEC5"},"agent_actions":{"view_html":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT","download_json":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT.json","view_paper":"https://pith.science/paper/FDVMUEC5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.02711&json=true","fetch_graph":"https://pith.science/api/pith-number/FDVMUEC5IMBKM7AAKGRNOVVFKT/graph.json","fetch_events":"https://pith.science/api/pith-number/FDVMUEC5IMBKM7AAKGRNOVVFKT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT/action/storage_attestation","attest_author":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT/action/author_attestation","sign_citation":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT/action/citation_signature","submit_replication":"https://pith.science/pith/FDVMUEC5IMBKM7AAKGRNOVVFKT/action/replication_record"}},"created_at":"2026-06-03T00:05:07.613729+00:00","updated_at":"2026-06-03T00:05:07.613729+00:00"}