{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZZFUGVB3BXOKJIOTPOPN3XNZYQ","short_pith_number":"pith:ZZFUGVB3","schema_version":"1.0","canonical_sha256":"ce4b43543b0ddca4a1d37b9eddddb9c42cc5aec571a95267565e5c725fd391a2","source":{"kind":"arxiv","id":"1810.01780","version":1},"attestation_state":"computed","paper":{"title":"RadioPropa - A Modular Raytracer for In-Matter Radio Propagation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Tobias Winchen","submitted_at":"2018-10-03T14:57:51Z","abstract_excerpt":"Experiments for radio detection of UHE particles such as e.g. ARA/ARIANNA or NuMoon require detailed understanding of the propagation of radio waves in the surrounding matter. The index of refraction in e.g. polar ice or lunar rock may have a complex spatial structure that makes detailed simulations of the radio propagation necessary to design the respective experiments and analyze their data. Here, we present RadioPropa as a new modular ray tracing code that solves the eikonal equation with a Runge-Kutta method in arbitrary refractivity fields. RadioPropa is based on the cosmic ray propagatio"},"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":"1810.01780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-10-03T14:57:51Z","cross_cats_sorted":[],"title_canon_sha256":"34bcf60270e01a48288afdf0c5808ac99d791439a382c558d5bd19defe1a0bbe","abstract_canon_sha256":"6ce7105d64e2a492535c4388e2d2831cf6dcbfe210ec0a3bf65cd46050fd4550"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:13:37.513791Z","signature_b64":"QcFGBdM7iR2/5H7bEvAZciE4wib6IP2bnWhAs0g4s6m2gah/8tedsZiJnzAqft+6+CIpo337vEDu7LrD1nGBCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce4b43543b0ddca4a1d37b9eddddb9c42cc5aec571a95267565e5c725fd391a2","last_reissued_at":"2026-07-05T00:13:37.513332Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:13:37.513332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"RadioPropa - A Modular Raytracer for In-Matter Radio Propagation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Tobias Winchen","submitted_at":"2018-10-03T14:57:51Z","abstract_excerpt":"Experiments for radio detection of UHE particles such as e.g. ARA/ARIANNA or NuMoon require detailed understanding of the propagation of radio waves in the surrounding matter. The index of refraction in e.g. polar ice or lunar rock may have a complex spatial structure that makes detailed simulations of the radio propagation necessary to design the respective experiments and analyze their data. Here, we present RadioPropa as a new modular ray tracing code that solves the eikonal equation with a Runge-Kutta method in arbitrary refractivity fields. RadioPropa is based on the cosmic ray propagatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01780","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/1810.01780/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":"1810.01780","created_at":"2026-07-05T00:13:37.513386+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.01780v1","created_at":"2026-07-05T00:13:37.513386+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01780","created_at":"2026-07-05T00:13:37.513386+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZZFUGVB3BXOK","created_at":"2026-07-05T00:13:37.513386+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZZFUGVB3BXOKJIOT","created_at":"2026-07-05T00:13:37.513386+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZZFUGVB3","created_at":"2026-07-05T00:13:37.513386+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/ZZFUGVB3BXOKJIOTPOPN3XNZYQ","json":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ.json","graph_json":"https://pith.science/api/pith-number/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/graph.json","events_json":"https://pith.science/api/pith-number/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/events.json","paper":"https://pith.science/paper/ZZFUGVB3"},"agent_actions":{"view_html":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ","download_json":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ.json","view_paper":"https://pith.science/paper/ZZFUGVB3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.01780&json=true","fetch_graph":"https://pith.science/api/pith-number/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/graph.json","fetch_events":"https://pith.science/api/pith-number/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/action/storage_attestation","attest_author":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/action/author_attestation","sign_citation":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/action/citation_signature","submit_replication":"https://pith.science/pith/ZZFUGVB3BXOKJIOTPOPN3XNZYQ/action/replication_record"}},"created_at":"2026-07-05T00:13:37.513386+00:00","updated_at":"2026-07-05T00:13:37.513386+00:00"}