{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:S62PETYCAEHV76MFQLNFTCINA6","short_pith_number":"pith:S62PETYC","canonical_record":{"source":{"id":"1902.09319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-02-25T14:55:01Z","cross_cats_sorted":[],"title_canon_sha256":"7aef4ede0ad71aa1dc619135dd1a09ac55033658604d9fb6ea7dc25ad8f3a7b9","abstract_canon_sha256":"f9a8193c698a4c4d8b9b82a3c3a9e29378d7b476ba8abe6c4ed93e6d32aa1da5"},"schema_version":"1.0"},"canonical_sha256":"97b4f24f02010f5ff98582da59890d07b2fd68b7de273b63779ea2688eb5d489","source":{"kind":"arxiv","id":"1902.09319","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09319","created_at":"2026-05-17T23:52:46Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09319v1","created_at":"2026-05-17T23:52:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09319","created_at":"2026-05-17T23:52:46Z"},{"alias_kind":"pith_short_12","alias_value":"S62PETYCAEHV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"S62PETYCAEHV76MF","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"S62PETYC","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:S62PETYCAEHV76MFQLNFTCINA6","target":"record","payload":{"canonical_record":{"source":{"id":"1902.09319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-02-25T14:55:01Z","cross_cats_sorted":[],"title_canon_sha256":"7aef4ede0ad71aa1dc619135dd1a09ac55033658604d9fb6ea7dc25ad8f3a7b9","abstract_canon_sha256":"f9a8193c698a4c4d8b9b82a3c3a9e29378d7b476ba8abe6c4ed93e6d32aa1da5"},"schema_version":"1.0"},"canonical_sha256":"97b4f24f02010f5ff98582da59890d07b2fd68b7de273b63779ea2688eb5d489","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:46.076210Z","signature_b64":"eetSOcyjPyc6L4PJd03YsboXkYXzotyaQ2wLyJflnKPVC0QPp4k/qY0E34kDU9/WrxGCqpUOTBuXviFjXvPGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97b4f24f02010f5ff98582da59890d07b2fd68b7de273b63779ea2688eb5d489","last_reissued_at":"2026-05-17T23:52:46.075729Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:46.075729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.09319","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:52:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D2FoOV1lFi5n51LYA0x7wpwXe2Cwj2vTG1A6pRMN6AbaEvE09DQEAIQ+iuoGX9Ox6Pa2SHHQ29pj1GrnPJ3kBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:44:30.839789Z"},"content_sha256":"dc4be455de059f8fe5cb5332fa9653a4539ef5633b747a786cd672ffb8f35531","schema_version":"1.0","event_id":"sha256:dc4be455de059f8fe5cb5332fa9653a4539ef5633b747a786cd672ffb8f35531"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:S62PETYCAEHV76MFQLNFTCINA6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Empirical Evidence of Isospin Memory in Compound Nuclear Fission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Ashok Kumar Jain, Swati Garg","submitted_at":"2019-02-25T14:55:01Z","abstract_excerpt":"We present empirical evidence of isospin dependence in the compound nuclear fission cross-sections and fission widths, which suggests that the compound nucleus (CN) possibly retains the memory of the isospin when it is formed. We examine the idea, first proposed by Yadrovsky [1], for three pairs of reactions where experimental data of fission cross section at various excitation energies are available. One of the pairs of reactions is the same as used by Yadrovsky i.e. $^{209}$Bi($p$, f) and $^{206}$Pb($\\alpha$, f) leading to the CN $^{210}$Po but with an improved experimental data set. The oth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09319","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":""},"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":"2026-05-17T23:52:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t/ypn9fwo8jK+XoZcj7BA189kB4qVX59UqGKyD4UBrZFGs7lStCx2hj23JhP+E4wOMKjmFRumIOjsP2BY6h6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:44:30.840416Z"},"content_sha256":"7ee154e3df7da44db6707fd5053127b4f8a2bb2f7ce2281ccf3d76c32bd716ef","schema_version":"1.0","event_id":"sha256:7ee154e3df7da44db6707fd5053127b4f8a2bb2f7ce2281ccf3d76c32bd716ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S62PETYCAEHV76MFQLNFTCINA6/bundle.json","state_url":"https://pith.science/pith/S62PETYCAEHV76MFQLNFTCINA6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S62PETYCAEHV76MFQLNFTCINA6/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":"2026-06-11T22:44:30Z","links":{"resolver":"https://pith.science/pith/S62PETYCAEHV76MFQLNFTCINA6","bundle":"https://pith.science/pith/S62PETYCAEHV76MFQLNFTCINA6/bundle.json","state":"https://pith.science/pith/S62PETYCAEHV76MFQLNFTCINA6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S62PETYCAEHV76MFQLNFTCINA6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:S62PETYCAEHV76MFQLNFTCINA6","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":"f9a8193c698a4c4d8b9b82a3c3a9e29378d7b476ba8abe6c4ed93e6d32aa1da5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-02-25T14:55:01Z","title_canon_sha256":"7aef4ede0ad71aa1dc619135dd1a09ac55033658604d9fb6ea7dc25ad8f3a7b9"},"schema_version":"1.0","source":{"id":"1902.09319","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09319","created_at":"2026-05-17T23:52:46Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09319v1","created_at":"2026-05-17T23:52:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09319","created_at":"2026-05-17T23:52:46Z"},{"alias_kind":"pith_short_12","alias_value":"S62PETYCAEHV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"S62PETYCAEHV76MF","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"S62PETYC","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:7ee154e3df7da44db6707fd5053127b4f8a2bb2f7ce2281ccf3d76c32bd716ef","target":"graph","created_at":"2026-05-17T23:52:46Z","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":"We present empirical evidence of isospin dependence in the compound nuclear fission cross-sections and fission widths, which suggests that the compound nucleus (CN) possibly retains the memory of the isospin when it is formed. We examine the idea, first proposed by Yadrovsky [1], for three pairs of reactions where experimental data of fission cross section at various excitation energies are available. One of the pairs of reactions is the same as used by Yadrovsky i.e. $^{209}$Bi($p$, f) and $^{206}$Pb($\\alpha$, f) leading to the CN $^{210}$Po but with an improved experimental data set. The oth","authors_text":"Ashok Kumar Jain, Swati Garg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-02-25T14:55:01Z","title":"Empirical Evidence of Isospin Memory in Compound Nuclear Fission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09319","kind":"arxiv","version":1},"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:dc4be455de059f8fe5cb5332fa9653a4539ef5633b747a786cd672ffb8f35531","target":"record","created_at":"2026-05-17T23:52:46Z","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":"f9a8193c698a4c4d8b9b82a3c3a9e29378d7b476ba8abe6c4ed93e6d32aa1da5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-02-25T14:55:01Z","title_canon_sha256":"7aef4ede0ad71aa1dc619135dd1a09ac55033658604d9fb6ea7dc25ad8f3a7b9"},"schema_version":"1.0","source":{"id":"1902.09319","kind":"arxiv","version":1}},"canonical_sha256":"97b4f24f02010f5ff98582da59890d07b2fd68b7de273b63779ea2688eb5d489","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97b4f24f02010f5ff98582da59890d07b2fd68b7de273b63779ea2688eb5d489","first_computed_at":"2026-05-17T23:52:46.075729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:46.075729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eetSOcyjPyc6L4PJd03YsboXkYXzotyaQ2wLyJflnKPVC0QPp4k/qY0E34kDU9/WrxGCqpUOTBuXviFjXvPGBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:46.076210Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.09319","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc4be455de059f8fe5cb5332fa9653a4539ef5633b747a786cd672ffb8f35531","sha256:7ee154e3df7da44db6707fd5053127b4f8a2bb2f7ce2281ccf3d76c32bd716ef"],"state_sha256":"705b0057564749d713103aeeefb726c644fb11cb2c9e5f10a0d5223830879b3e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jljM/d95kaoyBSafspqWt5iRdMJWlTvqNo4eQSnYEr4cXxV8uRGVnKMW1aho46FFy3mt04tZRZ7ymWgx7lR7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T22:44:30.844161Z","bundle_sha256":"cd221f351b61f97c28d4794b754fb1bb307605cef6b5910f966d7614886306d5"}}