{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:44AH4YDMATWZAX3T465ZDNPK5E","short_pith_number":"pith:44AH4YDM","canonical_record":{"source":{"id":"1902.05620","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-02-08T10:03:13Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"74650940a9e073d158d8fe42ce78038cbf1849edcc20247c55b27c1f423cd5d8","abstract_canon_sha256":"fab37d3e56f1505e2151feb04983467f08d7fd00a3afab45335bbb75868327ae"},"schema_version":"1.0"},"canonical_sha256":"e7007e606c04ed905f73e7bb91b5eae90462960bbf00ffc2b1816e3cc38a0223","source":{"kind":"arxiv","id":"1902.05620","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.05620","created_at":"2026-05-17T23:39:24Z"},{"alias_kind":"arxiv_version","alias_value":"1902.05620v2","created_at":"2026-05-17T23:39:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05620","created_at":"2026-05-17T23:39:24Z"},{"alias_kind":"pith_short_12","alias_value":"44AH4YDMATWZ","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"44AH4YDMATWZAX3T","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"44AH4YDM","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:44AH4YDMATWZAX3T465ZDNPK5E","target":"record","payload":{"canonical_record":{"source":{"id":"1902.05620","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-02-08T10:03:13Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"74650940a9e073d158d8fe42ce78038cbf1849edcc20247c55b27c1f423cd5d8","abstract_canon_sha256":"fab37d3e56f1505e2151feb04983467f08d7fd00a3afab45335bbb75868327ae"},"schema_version":"1.0"},"canonical_sha256":"e7007e606c04ed905f73e7bb91b5eae90462960bbf00ffc2b1816e3cc38a0223","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:24.862209Z","signature_b64":"0bFS+pSrOYrPb9AijASrzljAezw4LcEd1Pa69lDc+GvFLspG/T9dOd61gh0Db8qu+j7JyJC92VGuPwOJRvDXAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7007e606c04ed905f73e7bb91b5eae90462960bbf00ffc2b1816e3cc38a0223","last_reissued_at":"2026-05-17T23:39:24.861620Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:24.861620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.05620","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":"2026-05-17T23:39:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2cRSXZW6QyAfKUQGvJj8jTfVyKDn3BM0s5YDtT5PmYQMNipHOchyM9ZYSshxyms4sk9vQ4hxRKUXELQYXZfSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:39:17.259264Z"},"content_sha256":"34d63140e2b5fd0e807df47eb6902f0fe5b28e2b672dc81951e6791a05ff5cbd","schema_version":"1.0","event_id":"sha256:34d63140e2b5fd0e807df47eb6902f0fe5b28e2b672dc81951e6791a05ff5cbd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:44AH4YDMATWZAX3T465ZDNPK5E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Calculation and verification of neutron irradiation damage with differential cross sections","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.ins-det","authors_text":"Cyrille De Saint Jean, David Bernard, Gilles Noguere, Jean Tommasi, Pierre Tamagno, Shengli Chen, Stephane Bourganel","submitted_at":"2019-02-08T10:03:13Z","abstract_excerpt":"The Displacement per Atom (DPA) rate is conventionally computed with DPA cross sections in reactor applications. The method of direct calculation with energy-angular distributions given in the Center of Mass (CM) frame is proposed and recommended in the present work. The methods for refining and verifying the calculations of DPA cross sections are proposed: (i) Gauss-Legendre-Quadrature-based Piecewise Integration (GLQPI) for ensuring the numeric convergence of integral over emission angle due to the discontinuity of integrand; (ii) verification of the convergence for trapezoidal integration o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05620","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":"2026-05-17T23:39:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ThttMzwyb+L9B9T6SASSwiP8iWk1gD+Hv51b+tnLi+e4hiFWWjTEzYH3IHz6iw4bqbqvECY3+ZsM+ro1PtrwDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:39:17.259741Z"},"content_sha256":"e0387191ca1b898cd7d4e9ba4f57a26c60d3f504d022470edfc7a72ffb701484","schema_version":"1.0","event_id":"sha256:e0387191ca1b898cd7d4e9ba4f57a26c60d3f504d022470edfc7a72ffb701484"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/44AH4YDMATWZAX3T465ZDNPK5E/bundle.json","state_url":"https://pith.science/pith/44AH4YDMATWZAX3T465ZDNPK5E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/44AH4YDMATWZAX3T465ZDNPK5E/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":"2026-06-23T17:39:17Z","links":{"resolver":"https://pith.science/pith/44AH4YDMATWZAX3T465ZDNPK5E","bundle":"https://pith.science/pith/44AH4YDMATWZAX3T465ZDNPK5E/bundle.json","state":"https://pith.science/pith/44AH4YDMATWZAX3T465ZDNPK5E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/44AH4YDMATWZAX3T465ZDNPK5E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:44AH4YDMATWZAX3T465ZDNPK5E","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":"fab37d3e56f1505e2151feb04983467f08d7fd00a3afab45335bbb75868327ae","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-02-08T10:03:13Z","title_canon_sha256":"74650940a9e073d158d8fe42ce78038cbf1849edcc20247c55b27c1f423cd5d8"},"schema_version":"1.0","source":{"id":"1902.05620","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.05620","created_at":"2026-05-17T23:39:24Z"},{"alias_kind":"arxiv_version","alias_value":"1902.05620v2","created_at":"2026-05-17T23:39:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05620","created_at":"2026-05-17T23:39:24Z"},{"alias_kind":"pith_short_12","alias_value":"44AH4YDMATWZ","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"44AH4YDMATWZAX3T","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"44AH4YDM","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:e0387191ca1b898cd7d4e9ba4f57a26c60d3f504d022470edfc7a72ffb701484","target":"graph","created_at":"2026-05-17T23:39:24Z","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 Displacement per Atom (DPA) rate is conventionally computed with DPA cross sections in reactor applications. The method of direct calculation with energy-angular distributions given in the Center of Mass (CM) frame is proposed and recommended in the present work. The methods for refining and verifying the calculations of DPA cross sections are proposed: (i) Gauss-Legendre-Quadrature-based Piecewise Integration (GLQPI) for ensuring the numeric convergence of integral over emission angle due to the discontinuity of integrand; (ii) verification of the convergence for trapezoidal integration o","authors_text":"Cyrille De Saint Jean, David Bernard, Gilles Noguere, Jean Tommasi, Pierre Tamagno, Shengli Chen, Stephane Bourganel","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-02-08T10:03:13Z","title":"Calculation and verification of neutron irradiation damage with differential cross sections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05620","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":"sha256:34d63140e2b5fd0e807df47eb6902f0fe5b28e2b672dc81951e6791a05ff5cbd","target":"record","created_at":"2026-05-17T23:39:24Z","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":"fab37d3e56f1505e2151feb04983467f08d7fd00a3afab45335bbb75868327ae","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-02-08T10:03:13Z","title_canon_sha256":"74650940a9e073d158d8fe42ce78038cbf1849edcc20247c55b27c1f423cd5d8"},"schema_version":"1.0","source":{"id":"1902.05620","kind":"arxiv","version":2}},"canonical_sha256":"e7007e606c04ed905f73e7bb91b5eae90462960bbf00ffc2b1816e3cc38a0223","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7007e606c04ed905f73e7bb91b5eae90462960bbf00ffc2b1816e3cc38a0223","first_computed_at":"2026-05-17T23:39:24.861620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:24.861620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0bFS+pSrOYrPb9AijASrzljAezw4LcEd1Pa69lDc+GvFLspG/T9dOd61gh0Db8qu+j7JyJC92VGuPwOJRvDXAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:24.862209Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.05620","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34d63140e2b5fd0e807df47eb6902f0fe5b28e2b672dc81951e6791a05ff5cbd","sha256:e0387191ca1b898cd7d4e9ba4f57a26c60d3f504d022470edfc7a72ffb701484"],"state_sha256":"83b600d17af6d3a26b95d64d217e0e1332c9cdabbff77d0c224db9797823f6be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ti3c6DrnJbyTfoPrFq8yjSEOTyErOR9jZMHDZtn6jktO1JkdKvHRpVMOKSL4tlG4sjEgbFUqd/TyxI6ROWmXBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T17:39:17.262326Z","bundle_sha256":"c751b4b23c82af543fedcc3a6b0ecea85cbfc3d99c3ea49b69e36022045a0737"}}