{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:LNUTMPDGAG7XSFS3BFYCVP3L3F","short_pith_number":"pith:LNUTMPDG","schema_version":"1.0","canonical_sha256":"5b69363c6601bf79165b09702abf6bd96215dca21e3243fb941f99ceccfa8143","source":{"kind":"arxiv","id":"1211.5705","version":2},"attestation_state":"computed","paper":{"title":"A Chi Distribution Model of Hail Storm Damage","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.PR","authors_text":"Georg Muntingh, Paul C. Kettler","submitted_at":"2012-11-24T21:18:19Z","abstract_excerpt":"This paper addresses the pattern of damage, and investigates its properties, of a theoretical hail storm which gathers in intensity before subsiding, and which travels linearly across the landscape at constant velocity. We start by assuming a simpler model, that of a storm which does not move, restricted to having an uncorrelated binormal distribution of damage. This model, expressed in the natural polar coordinates, leads to a 1-dimensional pattern of damage as a function of the marginal radial distance conforming to the $\\chi$-distribution with two degrees of freedom. The model is then exten"},"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":"1211.5705","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.PR","submitted_at":"2012-11-24T21:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"bfd8eba7f8f86d9213104e91bb93c9d0b2142a6dcb09c024cd70b070c94ae164","abstract_canon_sha256":"fd4e549ddf6028a31ae6093a994e46da5f49308574054d26acb8634d8557ceb7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:22.413578Z","signature_b64":"M6GoMG2JamL1h7eWeYQwgYnfNTdP8kNEuDY63ux4sCazD/cBLAvqWIHhTvePx3lOK8ejDbRsH9dN9SIhXp9ZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b69363c6601bf79165b09702abf6bd96215dca21e3243fb941f99ceccfa8143","last_reissued_at":"2026-05-18T03:06:22.413069Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:22.413069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Chi Distribution Model of Hail Storm Damage","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.PR","authors_text":"Georg Muntingh, Paul C. Kettler","submitted_at":"2012-11-24T21:18:19Z","abstract_excerpt":"This paper addresses the pattern of damage, and investigates its properties, of a theoretical hail storm which gathers in intensity before subsiding, and which travels linearly across the landscape at constant velocity. We start by assuming a simpler model, that of a storm which does not move, restricted to having an uncorrelated binormal distribution of damage. This model, expressed in the natural polar coordinates, leads to a 1-dimensional pattern of damage as a function of the marginal radial distance conforming to the $\\chi$-distribution with two degrees of freedom. The model is then exten"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5705","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":""},"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":"1211.5705","created_at":"2026-05-18T03:06:22.413141+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.5705v2","created_at":"2026-05-18T03:06:22.413141+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5705","created_at":"2026-05-18T03:06:22.413141+00:00"},{"alias_kind":"pith_short_12","alias_value":"LNUTMPDGAG7X","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_16","alias_value":"LNUTMPDGAG7XSFS3","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_8","alias_value":"LNUTMPDG","created_at":"2026-05-18T12:27:14.488303+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/LNUTMPDGAG7XSFS3BFYCVP3L3F","json":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F.json","graph_json":"https://pith.science/api/pith-number/LNUTMPDGAG7XSFS3BFYCVP3L3F/graph.json","events_json":"https://pith.science/api/pith-number/LNUTMPDGAG7XSFS3BFYCVP3L3F/events.json","paper":"https://pith.science/paper/LNUTMPDG"},"agent_actions":{"view_html":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F","download_json":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F.json","view_paper":"https://pith.science/paper/LNUTMPDG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.5705&json=true","fetch_graph":"https://pith.science/api/pith-number/LNUTMPDGAG7XSFS3BFYCVP3L3F/graph.json","fetch_events":"https://pith.science/api/pith-number/LNUTMPDGAG7XSFS3BFYCVP3L3F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F/action/storage_attestation","attest_author":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F/action/author_attestation","sign_citation":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F/action/citation_signature","submit_replication":"https://pith.science/pith/LNUTMPDGAG7XSFS3BFYCVP3L3F/action/replication_record"}},"created_at":"2026-05-18T03:06:22.413141+00:00","updated_at":"2026-05-18T03:06:22.413141+00:00"}