{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:U6ZF6MWYBYHLX4OCDK2HV7JPBV","short_pith_number":"pith:U6ZF6MWY","canonical_record":{"source":{"id":"1409.3510","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"nucl-th","submitted_at":"2014-09-11T17:33:21Z","cross_cats_sorted":[],"title_canon_sha256":"52f07f58213c6cf21bae19ce9668bc7badab44b4c146e1ba88d4435faeee8c47","abstract_canon_sha256":"267fdf62e0663cebacfe63f17abece38b7568db7c2801607765aa17c0d380488"},"schema_version":"1.0"},"canonical_sha256":"a7b25f32d80e0ebbf1c21ab47afd2f0d73346aaa9d1931f7df04d286a69cf73d","source":{"kind":"arxiv","id":"1409.3510","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.3510","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1409.3510v2","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3510","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"U6ZF6MWYBYHL","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"U6ZF6MWYBYHLX4OC","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"U6ZF6MWY","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:U6ZF6MWYBYHLX4OCDK2HV7JPBV","target":"record","payload":{"canonical_record":{"source":{"id":"1409.3510","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"nucl-th","submitted_at":"2014-09-11T17:33:21Z","cross_cats_sorted":[],"title_canon_sha256":"52f07f58213c6cf21bae19ce9668bc7badab44b4c146e1ba88d4435faeee8c47","abstract_canon_sha256":"267fdf62e0663cebacfe63f17abece38b7568db7c2801607765aa17c0d380488"},"schema_version":"1.0"},"canonical_sha256":"a7b25f32d80e0ebbf1c21ab47afd2f0d73346aaa9d1931f7df04d286a69cf73d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:03.355199Z","signature_b64":"wKqKM60JD3EJ8y+2hi2GtqoapOQFP4K46IrGxOzrvQmXquZRR6jgog1uFDddek3MBnhLYZG80wuYS4RjxwqcDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7b25f32d80e0ebbf1c21ab47afd2f0d73346aaa9d1931f7df04d286a69cf73d","last_reissued_at":"2026-05-18T01:42:03.354636Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:03.354636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.3510","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SkLk+aRK/+0w2S2jqDSyGv+FwyBegSfKUUCG797OZ5BgetmrTFe2VgixvgGjIBZHcgV5kZFYXZVtzZ6rhPPHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T23:20:31.529311Z"},"content_sha256":"7c8a2bc13e61af1008077317fa319b0c03a4f0313b7ec83297d22ab0dce0964b","schema_version":"1.0","event_id":"sha256:7c8a2bc13e61af1008077317fa319b0c03a4f0313b7ec83297d22ab0dce0964b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:U6ZF6MWYBYHLX4OCDK2HV7JPBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elastic Differential Cross Sections for Space Radiation Applications","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Charles M. Werneth, John W. Norbury, Khin M. Maung, Michael D. Vera, William P. Ford","submitted_at":"2014-09-11T17:33:21Z","abstract_excerpt":"The eikonal, partial wave (PW) Lippmann-Schwinger, and three-dimensional Lippmann- Schwinger (LS3D) methods are compared for nuclear reactions that are relevant for space radiation applications. Numerical convergence of the eikonal method is readily achieved when exact formulas of the optical potential are used for light nuclei (A $\\le$ 16), and the momentum-space representation of the optical potential is used for heavier nuclei. The PW solution method is known to be numerically unstable for systems that require a large number of partial waves, and, as a result, the LS3D method is employed. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3510","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"obWvlt/neCoCv+umWQbgiUP/flETOS+FtJBQ11YzOnwR+UnSlD9qsr0M6bFyBTL/YLWt25EfXDiji/vf6JlKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T23:20:31.529925Z"},"content_sha256":"d2b96a181281ec0800bdeb6b12a6e22c049d28d75e4df9ad21c0ff4d4c80844c","schema_version":"1.0","event_id":"sha256:d2b96a181281ec0800bdeb6b12a6e22c049d28d75e4df9ad21c0ff4d4c80844c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV/bundle.json","state_url":"https://pith.science/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-30T23:20:31Z","links":{"resolver":"https://pith.science/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV","bundle":"https://pith.science/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV/bundle.json","state":"https://pith.science/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6ZF6MWYBYHLX4OCDK2HV7JPBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:U6ZF6MWYBYHLX4OCDK2HV7JPBV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"267fdf62e0663cebacfe63f17abece38b7568db7c2801607765aa17c0d380488","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"nucl-th","submitted_at":"2014-09-11T17:33:21Z","title_canon_sha256":"52f07f58213c6cf21bae19ce9668bc7badab44b4c146e1ba88d4435faeee8c47"},"schema_version":"1.0","source":{"id":"1409.3510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.3510","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1409.3510v2","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3510","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"U6ZF6MWYBYHL","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"U6ZF6MWYBYHLX4OC","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"U6ZF6MWY","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:d2b96a181281ec0800bdeb6b12a6e22c049d28d75e4df9ad21c0ff4d4c80844c","target":"graph","created_at":"2026-05-18T01:42:03Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The eikonal, partial wave (PW) Lippmann-Schwinger, and three-dimensional Lippmann- Schwinger (LS3D) methods are compared for nuclear reactions that are relevant for space radiation applications. Numerical convergence of the eikonal method is readily achieved when exact formulas of the optical potential are used for light nuclei (A $\\le$ 16), and the momentum-space representation of the optical potential is used for heavier nuclei. The PW solution method is known to be numerically unstable for systems that require a large number of partial waves, and, as a result, the LS3D method is employed. T","authors_text":"Charles M. Werneth, John W. Norbury, Khin M. Maung, Michael D. Vera, William P. Ford","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"nucl-th","submitted_at":"2014-09-11T17:33:21Z","title":"Elastic Differential Cross Sections for Space Radiation Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3510","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7c8a2bc13e61af1008077317fa319b0c03a4f0313b7ec83297d22ab0dce0964b","target":"record","created_at":"2026-05-18T01:42:03Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"267fdf62e0663cebacfe63f17abece38b7568db7c2801607765aa17c0d380488","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"nucl-th","submitted_at":"2014-09-11T17:33:21Z","title_canon_sha256":"52f07f58213c6cf21bae19ce9668bc7badab44b4c146e1ba88d4435faeee8c47"},"schema_version":"1.0","source":{"id":"1409.3510","kind":"arxiv","version":2}},"canonical_sha256":"a7b25f32d80e0ebbf1c21ab47afd2f0d73346aaa9d1931f7df04d286a69cf73d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7b25f32d80e0ebbf1c21ab47afd2f0d73346aaa9d1931f7df04d286a69cf73d","first_computed_at":"2026-05-18T01:42:03.354636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:03.354636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wKqKM60JD3EJ8y+2hi2GtqoapOQFP4K46IrGxOzrvQmXquZRR6jgog1uFDddek3MBnhLYZG80wuYS4RjxwqcDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:03.355199Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.3510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c8a2bc13e61af1008077317fa319b0c03a4f0313b7ec83297d22ab0dce0964b","sha256:d2b96a181281ec0800bdeb6b12a6e22c049d28d75e4df9ad21c0ff4d4c80844c"],"state_sha256":"5b3656c58e2781da850999c48aba945e37f87d8f5d42821074de46f29468c77d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GZI8ic+9G968HiN+tVlxCNaJM+qUNIoXwMWzbCHK1A174G4saknmCEBZFH2K7rw+XiDeN6RcM58JVnFJKmwVAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T23:20:31.532737Z","bundle_sha256":"65b7a99fe6f0bd289d29b4da025374c870cc6ecea4b998157da098ae93c18d59"}}