{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:56RIYADWMABRIYJ5237BPGGLWX","short_pith_number":"pith:56RIYADW","schema_version":"1.0","canonical_sha256":"efa28c0076600314613dd6fe1798cbb5d4c8a25332e53dfcf7eb8645dc71f054","source":{"kind":"arxiv","id":"1711.02542","version":1},"attestation_state":"computed","paper":{"title":"SPRAI: Coupling of radiative feedback and primordial chemistry in moving mesh hydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"Jan-Pieter Paardekooper, Ondrej Jaura, Ralf S. Klessen, Simon C. O. Glover","submitted_at":"2017-11-07T15:32:19Z","abstract_excerpt":"In this paper we introduce a new radiative transfer code SPRAI (Simplex Photon Radiation in the Arepo Implementation) based on the SimpleX radiation transfer method. This method, originally used only for post-processing, is now directly integrated into the Arepo code and takes advantage of its adaptive unstructured mesh. Radiated photons are transferred from the sources through the series of Voronoi gas cells within a specific solid angle. From the photon attenuation we derive corresponding photon fluxes and ionization rates and feed them to a primordial chemistry module. This gives us a self-"},"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":"1711.02542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-07T15:32:19Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"4aa019927299b86687509c067c0d6abac9d8d96382c7f0abd56c1ee988c3ffd2","abstract_canon_sha256":"8ac3763b8386c6902bf88f6a6b2196c31f9b851c2ecb6e1c54315b2f288438cd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:57.968193Z","signature_b64":"xqeqRZIBBG/n77y5HrzaeMnOaBjXMXFj5pOqhyqkuHNEbkdDtduz9A51xLszb3Dn0Xnk3ToDnx/wCPxYd26xAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efa28c0076600314613dd6fe1798cbb5d4c8a25332e53dfcf7eb8645dc71f054","last_reissued_at":"2026-05-18T00:22:57.967495Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:57.967495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"SPRAI: Coupling of radiative feedback and primordial chemistry in moving mesh hydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"Jan-Pieter Paardekooper, Ondrej Jaura, Ralf S. Klessen, Simon C. O. Glover","submitted_at":"2017-11-07T15:32:19Z","abstract_excerpt":"In this paper we introduce a new radiative transfer code SPRAI (Simplex Photon Radiation in the Arepo Implementation) based on the SimpleX radiation transfer method. This method, originally used only for post-processing, is now directly integrated into the Arepo code and takes advantage of its adaptive unstructured mesh. Radiated photons are transferred from the sources through the series of Voronoi gas cells within a specific solid angle. From the photon attenuation we derive corresponding photon fluxes and ionization rates and feed them to a primordial chemistry module. This gives us a self-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.02542","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":""},"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":"1711.02542","created_at":"2026-05-18T00:22:57.967592+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.02542v1","created_at":"2026-05-18T00:22:57.967592+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.02542","created_at":"2026-05-18T00:22:57.967592+00:00"},{"alias_kind":"pith_short_12","alias_value":"56RIYADWMABR","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_16","alias_value":"56RIYADWMABRIYJ5","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_8","alias_value":"56RIYADW","created_at":"2026-05-18T12:31:00.734936+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/56RIYADWMABRIYJ5237BPGGLWX","json":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX.json","graph_json":"https://pith.science/api/pith-number/56RIYADWMABRIYJ5237BPGGLWX/graph.json","events_json":"https://pith.science/api/pith-number/56RIYADWMABRIYJ5237BPGGLWX/events.json","paper":"https://pith.science/paper/56RIYADW"},"agent_actions":{"view_html":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX","download_json":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX.json","view_paper":"https://pith.science/paper/56RIYADW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.02542&json=true","fetch_graph":"https://pith.science/api/pith-number/56RIYADWMABRIYJ5237BPGGLWX/graph.json","fetch_events":"https://pith.science/api/pith-number/56RIYADWMABRIYJ5237BPGGLWX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX/action/storage_attestation","attest_author":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX/action/author_attestation","sign_citation":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX/action/citation_signature","submit_replication":"https://pith.science/pith/56RIYADWMABRIYJ5237BPGGLWX/action/replication_record"}},"created_at":"2026-05-18T00:22:57.967592+00:00","updated_at":"2026-05-18T00:22:57.967592+00:00"}