{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Z5YOGJD5WHORNNWAKBTXT4DW26","short_pith_number":"pith:Z5YOGJD5","canonical_record":{"source":{"id":"1505.05013","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2015-05-19T14:26:17Z","cross_cats_sorted":[],"title_canon_sha256":"7597f662242d4331c9caa1d25d8c78f6f13a99741170b7185625ce3d1864916b","abstract_canon_sha256":"b144e906938bc6f7a5bd85cb428393bb234f05cc7fa86e7eb96fd2c5b7423029"},"schema_version":"1.0"},"canonical_sha256":"cf70e3247db1dd16b6c0506779f076d788e2cc157068de1849c205a6d7507512","source":{"kind":"arxiv","id":"1505.05013","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05013","created_at":"2026-05-18T01:36:25Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05013v2","created_at":"2026-05-18T01:36:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05013","created_at":"2026-05-18T01:36:25Z"},{"alias_kind":"pith_short_12","alias_value":"Z5YOGJD5WHOR","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z5YOGJD5WHORNNWA","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z5YOGJD5","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Z5YOGJD5WHORNNWAKBTXT4DW26","target":"record","payload":{"canonical_record":{"source":{"id":"1505.05013","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2015-05-19T14:26:17Z","cross_cats_sorted":[],"title_canon_sha256":"7597f662242d4331c9caa1d25d8c78f6f13a99741170b7185625ce3d1864916b","abstract_canon_sha256":"b144e906938bc6f7a5bd85cb428393bb234f05cc7fa86e7eb96fd2c5b7423029"},"schema_version":"1.0"},"canonical_sha256":"cf70e3247db1dd16b6c0506779f076d788e2cc157068de1849c205a6d7507512","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:25.470039Z","signature_b64":"K3MSIeyrKPkhPvK43HLNxb4cLH2ny1gVO1fg0I7phvLG93fZPQNaA1AgZ2jf6OyJ5TTrTXqftbM0Oh+9HKVZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf70e3247db1dd16b6c0506779f076d788e2cc157068de1849c205a6d7507512","last_reissued_at":"2026-05-18T01:36:25.469527Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:25.469527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.05013","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":"2026-05-18T01:36:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7HwVKlZugE+xebmvje1+J8yw+s3E/eHtoWEVUHu2P+t1DUGEphTjmjeYiugNwYpRLYBBGDFE3a87Jcq35KWEDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:09:17.601704Z"},"content_sha256":"be26976bf70aa404e41a54296cfedaf0ad00a3ed32cb069460086a7056c11759","schema_version":"1.0","event_id":"sha256:be26976bf70aa404e41a54296cfedaf0ad00a3ed32cb069460086a7056c11759"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Z5YOGJD5WHORNNWAKBTXT4DW26","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single universal curve for Alpha decay derived from semi-microscopic calculations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Abdurrahman, A. Y. Ellithi, M. Ismail, W. M. Seif","submitted_at":"2015-05-19T14:26:17Z","abstract_excerpt":"The universal curve is one of the simple ways to get preliminary information about the Alpha-decay half-life times of heavy nuclei. We try to find parameterization for the universal curve of Alpha decay based on semi-microscopic calculations, starting from the realistic M3Y-Reid nucleon-nucleon interaction. Within the deformed density-dependent cluster model, the penetration probability and the assault frequency are calculated using the WKB penetration probability. The deformations of daughter nuclei and the ground-state spin and parity of the involved nuclei are considered. We found that it i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05013","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":"2026-05-18T01:36:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A8eoxRBVCQmmJyjOLEaEkNzcSKNnjyeaylqoIIcWA3aQj9KZ2F0w56NXV+XW2LlKVLZl93YZInql3ewiQuaoBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:09:17.602390Z"},"content_sha256":"f4dbafdf2fb2567687179599370c6e763c48a229453a6a08b2e2087ce3288b67","schema_version":"1.0","event_id":"sha256:f4dbafdf2fb2567687179599370c6e763c48a229453a6a08b2e2087ce3288b67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z5YOGJD5WHORNNWAKBTXT4DW26/bundle.json","state_url":"https://pith.science/pith/Z5YOGJD5WHORNNWAKBTXT4DW26/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z5YOGJD5WHORNNWAKBTXT4DW26/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":"2026-05-27T01:09:17Z","links":{"resolver":"https://pith.science/pith/Z5YOGJD5WHORNNWAKBTXT4DW26","bundle":"https://pith.science/pith/Z5YOGJD5WHORNNWAKBTXT4DW26/bundle.json","state":"https://pith.science/pith/Z5YOGJD5WHORNNWAKBTXT4DW26/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z5YOGJD5WHORNNWAKBTXT4DW26/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Z5YOGJD5WHORNNWAKBTXT4DW26","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":"b144e906938bc6f7a5bd85cb428393bb234f05cc7fa86e7eb96fd2c5b7423029","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2015-05-19T14:26:17Z","title_canon_sha256":"7597f662242d4331c9caa1d25d8c78f6f13a99741170b7185625ce3d1864916b"},"schema_version":"1.0","source":{"id":"1505.05013","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05013","created_at":"2026-05-18T01:36:25Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05013v2","created_at":"2026-05-18T01:36:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05013","created_at":"2026-05-18T01:36:25Z"},{"alias_kind":"pith_short_12","alias_value":"Z5YOGJD5WHOR","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z5YOGJD5WHORNNWA","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z5YOGJD5","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:f4dbafdf2fb2567687179599370c6e763c48a229453a6a08b2e2087ce3288b67","target":"graph","created_at":"2026-05-18T01:36:25Z","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 universal curve is one of the simple ways to get preliminary information about the Alpha-decay half-life times of heavy nuclei. We try to find parameterization for the universal curve of Alpha decay based on semi-microscopic calculations, starting from the realistic M3Y-Reid nucleon-nucleon interaction. Within the deformed density-dependent cluster model, the penetration probability and the assault frequency are calculated using the WKB penetration probability. The deformations of daughter nuclei and the ground-state spin and parity of the involved nuclei are considered. We found that it i","authors_text":"A. Abdurrahman, A. Y. Ellithi, M. Ismail, W. M. Seif","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2015-05-19T14:26:17Z","title":"Single universal curve for Alpha decay derived from semi-microscopic calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05013","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:be26976bf70aa404e41a54296cfedaf0ad00a3ed32cb069460086a7056c11759","target":"record","created_at":"2026-05-18T01:36:25Z","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":"b144e906938bc6f7a5bd85cb428393bb234f05cc7fa86e7eb96fd2c5b7423029","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2015-05-19T14:26:17Z","title_canon_sha256":"7597f662242d4331c9caa1d25d8c78f6f13a99741170b7185625ce3d1864916b"},"schema_version":"1.0","source":{"id":"1505.05013","kind":"arxiv","version":2}},"canonical_sha256":"cf70e3247db1dd16b6c0506779f076d788e2cc157068de1849c205a6d7507512","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf70e3247db1dd16b6c0506779f076d788e2cc157068de1849c205a6d7507512","first_computed_at":"2026-05-18T01:36:25.469527Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:25.469527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K3MSIeyrKPkhPvK43HLNxb4cLH2ny1gVO1fg0I7phvLG93fZPQNaA1AgZ2jf6OyJ5TTrTXqftbM0Oh+9HKVZBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:25.470039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.05013","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be26976bf70aa404e41a54296cfedaf0ad00a3ed32cb069460086a7056c11759","sha256:f4dbafdf2fb2567687179599370c6e763c48a229453a6a08b2e2087ce3288b67"],"state_sha256":"0d16ebe6c84c2d39035e3a6bcb034e1da469f7524d558fd86b46a73de061eec5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1rxzKTVRElkrcpn0u9rmXOuK4NP+GUJKgVWMOzlJCQwwGtiYliVmGMUA/5T4rIDayy1GO6PVQd7mAmUXEBDQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:09:17.606697Z","bundle_sha256":"7aa90d4f7c5c13e050a90ff676d03aaa6ad2ccfd31f3812622e4ee8a941b1869"}}