{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PEYCYCCY373NWDI5VOEMDDEMF3","short_pith_number":"pith:PEYCYCCY","canonical_record":{"source":{"id":"1505.02239","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-05-09T08:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"76fea3b868134e7db1600f4ae6b7161382763fcd8078966894fca4ada581785b","abstract_canon_sha256":"ffb6a63a76a998436b41a1aed5b1d89079543e9570f5d1bab662fef8a1b6afbf"},"schema_version":"1.0"},"canonical_sha256":"79302c0858dff6db0d1dab88c18c8c2ed47a6a0244c196ec0135779a42ab265a","source":{"kind":"arxiv","id":"1505.02239","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.02239","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"1505.02239v4","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.02239","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"PEYCYCCY373N","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PEYCYCCY373NWDI5","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PEYCYCCY","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PEYCYCCY373NWDI5VOEMDDEMF3","target":"record","payload":{"canonical_record":{"source":{"id":"1505.02239","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-05-09T08:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"76fea3b868134e7db1600f4ae6b7161382763fcd8078966894fca4ada581785b","abstract_canon_sha256":"ffb6a63a76a998436b41a1aed5b1d89079543e9570f5d1bab662fef8a1b6afbf"},"schema_version":"1.0"},"canonical_sha256":"79302c0858dff6db0d1dab88c18c8c2ed47a6a0244c196ec0135779a42ab265a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:46.807153Z","signature_b64":"nvoRAfSufO2f18mk1dJEz6FY5ICAv8Np43Betalj2zvuuNlPLG2AiQHow7A0nylOqwXxao7sb0zXjXQV4FuUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79302c0858dff6db0d1dab88c18c8c2ed47a6a0244c196ec0135779a42ab265a","last_reissued_at":"2026-05-18T01:15:46.806680Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:46.806680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.02239","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:15:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DOlEcC9hol7Vypz+0Gwm2zm81LnzVGJWh49aet6HA9My3oetLfIZFoonnT4Ax3P2+4PBixEuFcLPia0OSwbIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T20:17:38.260567Z"},"content_sha256":"c3b30e6a71460112d82e7af9f9a1e17a5c0b4e91131ca6d84faf0e873212bff7","schema_version":"1.0","event_id":"sha256:c3b30e6a71460112d82e7af9f9a1e17a5c0b4e91131ca6d84faf0e873212bff7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PEYCYCCY373NWDI5VOEMDDEMF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear energy release from fragmentation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Cheng Li, Feng-Shou Zhang, M. B. Tsang, S. R. Souza","submitted_at":"2015-05-09T08:09:53Z","abstract_excerpt":"Nuclear energy released by splitting Uranium and Thorium isotopes into two, three, four, up to eight fragments with nearly equal size are studied. We found that the energy released come from equally splitting the $^{235,238}$U and $^{230,232}$Th nuclei into to three fragments is largest. The statistical multifragmentation model is employed to calculate the probability of different breakup channels for the excited nuclei. Weighing the the probability distributions of fragments multiplicity at different excitation energies for the $^{238}$U nucleus, we found that an excitation energy between 1.2"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.02239","kind":"arxiv","version":4},"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":"2026-05-18T01:15:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WpIhP/KETohWzJ5OSP8wr1m0e89ZXkFGbE0DSSS4YvzUxScgsZmgAGdtq4ULWOWhxVsdZxeCKIntF7GD6jNNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T20:17:38.261402Z"},"content_sha256":"a30fac2e3793736224b5b406cc9ca5307e653b20d39f4c107428df4c76aea536","schema_version":"1.0","event_id":"sha256:a30fac2e3793736224b5b406cc9ca5307e653b20d39f4c107428df4c76aea536"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PEYCYCCY373NWDI5VOEMDDEMF3/bundle.json","state_url":"https://pith.science/pith/PEYCYCCY373NWDI5VOEMDDEMF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PEYCYCCY373NWDI5VOEMDDEMF3/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":"2026-06-11T20:17:38Z","links":{"resolver":"https://pith.science/pith/PEYCYCCY373NWDI5VOEMDDEMF3","bundle":"https://pith.science/pith/PEYCYCCY373NWDI5VOEMDDEMF3/bundle.json","state":"https://pith.science/pith/PEYCYCCY373NWDI5VOEMDDEMF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PEYCYCCY373NWDI5VOEMDDEMF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PEYCYCCY373NWDI5VOEMDDEMF3","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":"ffb6a63a76a998436b41a1aed5b1d89079543e9570f5d1bab662fef8a1b6afbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-05-09T08:09:53Z","title_canon_sha256":"76fea3b868134e7db1600f4ae6b7161382763fcd8078966894fca4ada581785b"},"schema_version":"1.0","source":{"id":"1505.02239","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.02239","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"1505.02239v4","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.02239","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"PEYCYCCY373N","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PEYCYCCY373NWDI5","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PEYCYCCY","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:a30fac2e3793736224b5b406cc9ca5307e653b20d39f4c107428df4c76aea536","target":"graph","created_at":"2026-05-18T01:15:46Z","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":"Nuclear energy released by splitting Uranium and Thorium isotopes into two, three, four, up to eight fragments with nearly equal size are studied. We found that the energy released come from equally splitting the $^{235,238}$U and $^{230,232}$Th nuclei into to three fragments is largest. The statistical multifragmentation model is employed to calculate the probability of different breakup channels for the excited nuclei. Weighing the the probability distributions of fragments multiplicity at different excitation energies for the $^{238}$U nucleus, we found that an excitation energy between 1.2","authors_text":"Cheng Li, Feng-Shou Zhang, M. B. Tsang, S. R. Souza","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-05-09T08:09:53Z","title":"Nuclear energy release from fragmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.02239","kind":"arxiv","version":4},"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:c3b30e6a71460112d82e7af9f9a1e17a5c0b4e91131ca6d84faf0e873212bff7","target":"record","created_at":"2026-05-18T01:15:46Z","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":"ffb6a63a76a998436b41a1aed5b1d89079543e9570f5d1bab662fef8a1b6afbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-05-09T08:09:53Z","title_canon_sha256":"76fea3b868134e7db1600f4ae6b7161382763fcd8078966894fca4ada581785b"},"schema_version":"1.0","source":{"id":"1505.02239","kind":"arxiv","version":4}},"canonical_sha256":"79302c0858dff6db0d1dab88c18c8c2ed47a6a0244c196ec0135779a42ab265a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79302c0858dff6db0d1dab88c18c8c2ed47a6a0244c196ec0135779a42ab265a","first_computed_at":"2026-05-18T01:15:46.806680Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:46.806680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nvoRAfSufO2f18mk1dJEz6FY5ICAv8Np43Betalj2zvuuNlPLG2AiQHow7A0nylOqwXxao7sb0zXjXQV4FuUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:46.807153Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.02239","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3b30e6a71460112d82e7af9f9a1e17a5c0b4e91131ca6d84faf0e873212bff7","sha256:a30fac2e3793736224b5b406cc9ca5307e653b20d39f4c107428df4c76aea536"],"state_sha256":"f980521ba0211a2110e5f799c59fea9416dc731d99d4dc54fa801614957ad8cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GkJNo4yiu+CgbsUGlErmJOaapV+P7kMtqGtAFSzJaH6B5gPCvHD1ji95Yw8Gk/7e6zWgkAaO9TSw5oL/kT5TDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T20:17:38.266098Z","bundle_sha256":"cf343be1b1c0c8573fb24f7a765a7560a2113a516bd9f764f344de5cdfd71fe8"}}