{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IJF4RAZKWCWL46NS6DRJKKKMBE","short_pith_number":"pith:IJF4RAZK","canonical_record":{"source":{"id":"1802.08212","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-02-22T18:12:13Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"72f62ce75fe69f308c42d67e2e006e87bb64b7f0f3d11dc1fd7afefbceb65e1c","abstract_canon_sha256":"18043394b0e8eb4c0ee24f43ffb534dc905a61339cc3eea262de90a15e1a85fa"},"schema_version":"1.0"},"canonical_sha256":"424bc8832ab0acbe79b2f0e295294c093cd93c10b0ec4b276d0c4ddbfad5de8d","source":{"kind":"arxiv","id":"1802.08212","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08212","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08212v3","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08212","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"pith_short_12","alias_value":"IJF4RAZKWCWL","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IJF4RAZKWCWL46NS","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IJF4RAZK","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IJF4RAZKWCWL46NS6DRJKKKMBE","target":"record","payload":{"canonical_record":{"source":{"id":"1802.08212","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-02-22T18:12:13Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"72f62ce75fe69f308c42d67e2e006e87bb64b7f0f3d11dc1fd7afefbceb65e1c","abstract_canon_sha256":"18043394b0e8eb4c0ee24f43ffb534dc905a61339cc3eea262de90a15e1a85fa"},"schema_version":"1.0"},"canonical_sha256":"424bc8832ab0acbe79b2f0e295294c093cd93c10b0ec4b276d0c4ddbfad5de8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:09.575467Z","signature_b64":"773ImGj5q8LW/gbqvbF3dQ4U/XTtKFK28i2tLOe+r9sjbp1R8TX1AS57Q4O3hoZLLGV6yYEgOG0gVp6/teFpBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"424bc8832ab0acbe79b2f0e295294c093cd93c10b0ec4b276d0c4ddbfad5de8d","last_reissued_at":"2026-05-18T00:09:09.574813Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:09.574813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.08212","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:09:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jhi8EtWI6pb14YnHWMnwV7nl7G3UTcLIf5uSYL1r2BHgt6jwgG648AXWfhyCsXNdCrbWXcVs3/vXV3l0zmLrAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:55:03.144393Z"},"content_sha256":"bdbf30eaf1577145768b0a15ac47458e984c784e89a5d6fd2ddef9450ea889a0","schema_version":"1.0","event_id":"sha256:bdbf30eaf1577145768b0a15ac47458e984c784e89a5d6fd2ddef9450ea889a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IJF4RAZKWCWL46NS6DRJKKKMBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$^4{\\rm He}$ vs. $^4{\\rm Li}$ and production of light nuclei in relativistic heavy-ion collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Stanislaw Mrowczynski, Sylwia Bazak","submitted_at":"2018-02-22T18:12:13Z","abstract_excerpt":"We propose to measure the yields of $^4{\\rm He}$ and $^4{\\rm Li}$ in relativistic heavy-ion collisions to clarify a mechanism of light nuclei production. Since the masses of $^4{\\rm He}$ and $^4{\\rm Li}$ are almost equal, the yield of $^4{\\rm Li}$ predicted by the thermal model is 5 times bigger than that of $^4{\\rm He}$ which reflects the different numbers of internal degrees of freedom of the two nuclides. Their internal structure is, however, very different: the alpha particle is well bound and compact while $^4{\\rm Li}$ is weakly bound and loose. Within the coalescence model the ratio of y"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08212","kind":"arxiv","version":3},"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":"2026-05-18T00:09:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k+SMeCNxPTbhiuUUzrzdmsAQCiiiUp/TqHVUv0xPaa6n74D5XaeeXowm3wNfiuWLUhtiVSR4cUyxCkPZWxcoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:55:03.145080Z"},"content_sha256":"d39d5e76d70106e33b6338b3979273ee66f1b09e792400b334bcc907e3fea214","schema_version":"1.0","event_id":"sha256:d39d5e76d70106e33b6338b3979273ee66f1b09e792400b334bcc907e3fea214"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IJF4RAZKWCWL46NS6DRJKKKMBE/bundle.json","state_url":"https://pith.science/pith/IJF4RAZKWCWL46NS6DRJKKKMBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IJF4RAZKWCWL46NS6DRJKKKMBE/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":"2026-05-26T05:55:03Z","links":{"resolver":"https://pith.science/pith/IJF4RAZKWCWL46NS6DRJKKKMBE","bundle":"https://pith.science/pith/IJF4RAZKWCWL46NS6DRJKKKMBE/bundle.json","state":"https://pith.science/pith/IJF4RAZKWCWL46NS6DRJKKKMBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IJF4RAZKWCWL46NS6DRJKKKMBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IJF4RAZKWCWL46NS6DRJKKKMBE","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":"18043394b0e8eb4c0ee24f43ffb534dc905a61339cc3eea262de90a15e1a85fa","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-02-22T18:12:13Z","title_canon_sha256":"72f62ce75fe69f308c42d67e2e006e87bb64b7f0f3d11dc1fd7afefbceb65e1c"},"schema_version":"1.0","source":{"id":"1802.08212","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08212","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08212v3","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08212","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"pith_short_12","alias_value":"IJF4RAZKWCWL","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IJF4RAZKWCWL46NS","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IJF4RAZK","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:d39d5e76d70106e33b6338b3979273ee66f1b09e792400b334bcc907e3fea214","target":"graph","created_at":"2026-05-18T00:09:09Z","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 propose to measure the yields of $^4{\\rm He}$ and $^4{\\rm Li}$ in relativistic heavy-ion collisions to clarify a mechanism of light nuclei production. Since the masses of $^4{\\rm He}$ and $^4{\\rm Li}$ are almost equal, the yield of $^4{\\rm Li}$ predicted by the thermal model is 5 times bigger than that of $^4{\\rm He}$ which reflects the different numbers of internal degrees of freedom of the two nuclides. Their internal structure is, however, very different: the alpha particle is well bound and compact while $^4{\\rm Li}$ is weakly bound and loose. Within the coalescence model the ratio of y","authors_text":"Stanislaw Mrowczynski, Sylwia Bazak","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-02-22T18:12:13Z","title":"$^4{\\rm He}$ vs. $^4{\\rm Li}$ and production of light nuclei in relativistic heavy-ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08212","kind":"arxiv","version":3},"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:bdbf30eaf1577145768b0a15ac47458e984c784e89a5d6fd2ddef9450ea889a0","target":"record","created_at":"2026-05-18T00:09:09Z","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":"18043394b0e8eb4c0ee24f43ffb534dc905a61339cc3eea262de90a15e1a85fa","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-02-22T18:12:13Z","title_canon_sha256":"72f62ce75fe69f308c42d67e2e006e87bb64b7f0f3d11dc1fd7afefbceb65e1c"},"schema_version":"1.0","source":{"id":"1802.08212","kind":"arxiv","version":3}},"canonical_sha256":"424bc8832ab0acbe79b2f0e295294c093cd93c10b0ec4b276d0c4ddbfad5de8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"424bc8832ab0acbe79b2f0e295294c093cd93c10b0ec4b276d0c4ddbfad5de8d","first_computed_at":"2026-05-18T00:09:09.574813Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:09.574813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"773ImGj5q8LW/gbqvbF3dQ4U/XTtKFK28i2tLOe+r9sjbp1R8TX1AS57Q4O3hoZLLGV6yYEgOG0gVp6/teFpBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:09.575467Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.08212","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdbf30eaf1577145768b0a15ac47458e984c784e89a5d6fd2ddef9450ea889a0","sha256:d39d5e76d70106e33b6338b3979273ee66f1b09e792400b334bcc907e3fea214"],"state_sha256":"50e9727ab502d5aeb0c59ae960e0a0247f40eaeadb0542bcdd0074024e0e3e0b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D8PmIIjbdxMqakVRPSlJpD9+JgORhyjtb8AzCEktaSaZco2ZxTSXRcUQRd1p/unOmKF6VYVIZ/wWU9sVh1SgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T05:55:03.148715Z","bundle_sha256":"4f68cc80e9d6b8e84a94be1b97460cf60355068e93f13570c31b38cf896a612d"}}