{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CL3LSXMWQVUJLJQJEBU2HZTIOQ","short_pith_number":"pith:CL3LSXMW","canonical_record":{"source":{"id":"1502.03961","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-13T12:30:09Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"30c6c3882e2b11d0feed5aefa469d33e5a5d01f332982bfc0d16f7c780dbdd02","abstract_canon_sha256":"58128bbeba7de01dfc3cc0fc7ce0c169509b66e507bcf9e41f96eab5ca23312d"},"schema_version":"1.0"},"canonical_sha256":"12f6b95d96856895a6092069a3e668742010ba64c6e67301f7f167da8d5ca86e","source":{"kind":"arxiv","id":"1502.03961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03961","created_at":"2026-05-18T02:03:34Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03961v1","created_at":"2026-05-18T02:03:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03961","created_at":"2026-05-18T02:03:34Z"},{"alias_kind":"pith_short_12","alias_value":"CL3LSXMWQVUJ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CL3LSXMWQVUJLJQJ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CL3LSXMW","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CL3LSXMWQVUJLJQJEBU2HZTIOQ","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03961","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-13T12:30:09Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"30c6c3882e2b11d0feed5aefa469d33e5a5d01f332982bfc0d16f7c780dbdd02","abstract_canon_sha256":"58128bbeba7de01dfc3cc0fc7ce0c169509b66e507bcf9e41f96eab5ca23312d"},"schema_version":"1.0"},"canonical_sha256":"12f6b95d96856895a6092069a3e668742010ba64c6e67301f7f167da8d5ca86e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:34.298108Z","signature_b64":"dBp4q3jZdon911oH4unyLqG0tQwNqK7+ExZQwbgh7s6fBbw1soFCNUNjyCJY9R6Wqw3eTzs4A2Zeb4Yo/4EVDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12f6b95d96856895a6092069a3e668742010ba64c6e67301f7f167da8d5ca86e","last_reissued_at":"2026-05-18T02:03:34.297351Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:34.297351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03961","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":"2026-05-18T02:03:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9mHSCg1QRXeXwr+SFY60NtindQVGD6Is9pbfLHAYSAjminVe7I05i3V/WpdGRxOzO3b5y0QRKPm2G9MNAgMTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:49:28.221759Z"},"content_sha256":"cc07d4dc06a2965f1677f2bb0af211c4988ee4c7a0e95b4b05892246c58fcf9d","schema_version":"1.0","event_id":"sha256:cc07d4dc06a2965f1677f2bb0af211c4988ee4c7a0e95b4b05892246c58fcf9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CL3LSXMWQVUJLJQJEBU2HZTIOQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A revised thermonuclear rate of $^{7}$Be($n$,$\\alpha$)$^{4}$He relevant to Big-Bang nucleosynthesis","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.CO","authors_text":"J.J. He, S. Kubono, S.Q. Hou, Y.S. Chen","submitted_at":"2015-02-13T12:30:09Z","abstract_excerpt":"In the standard Big-Bang nucleosynthesis (BBN) model, the primordial $^7$Li abundance is overestimated by about a factor of 2--3 comparing to the astronomical observations, so called the pending cosmological lithium problem. The $^7$Be($n$,$\\alpha$)$^4$He reaction, which may affect the $^7$Li abundance, was regarded as the secondary important reaction in destructing the $^7$Be nucleus in BBN. However, the thermonuclear rate of $^7$Be($n$,$\\alpha$)$^4$He has not been well studied so far. This reaction rate was firstly estimated by Wagoner in 1969, which has been generally adopted in the current"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03961","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":"2026-05-18T02:03:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UtfjeafKZihUHJDsiYsgpUMu9ltfG694BTLQmiMix9/B0Fb9jAW1RCEJj8oW52p4zu74quKJCabVzSMTLSojAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:49:28.222557Z"},"content_sha256":"ac2464cc2333a79f837db6ab113ed760d5ca3f408e294ef5c639f2e98ea81104","schema_version":"1.0","event_id":"sha256:ac2464cc2333a79f837db6ab113ed760d5ca3f408e294ef5c639f2e98ea81104"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ/bundle.json","state_url":"https://pith.science/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ/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":"2026-05-27T13:49:28Z","links":{"resolver":"https://pith.science/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ","bundle":"https://pith.science/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ/bundle.json","state":"https://pith.science/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CL3LSXMWQVUJLJQJEBU2HZTIOQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CL3LSXMWQVUJLJQJEBU2HZTIOQ","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":"58128bbeba7de01dfc3cc0fc7ce0c169509b66e507bcf9e41f96eab5ca23312d","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-13T12:30:09Z","title_canon_sha256":"30c6c3882e2b11d0feed5aefa469d33e5a5d01f332982bfc0d16f7c780dbdd02"},"schema_version":"1.0","source":{"id":"1502.03961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03961","created_at":"2026-05-18T02:03:34Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03961v1","created_at":"2026-05-18T02:03:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03961","created_at":"2026-05-18T02:03:34Z"},{"alias_kind":"pith_short_12","alias_value":"CL3LSXMWQVUJ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CL3LSXMWQVUJLJQJ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CL3LSXMW","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:ac2464cc2333a79f837db6ab113ed760d5ca3f408e294ef5c639f2e98ea81104","target":"graph","created_at":"2026-05-18T02:03:34Z","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":"In the standard Big-Bang nucleosynthesis (BBN) model, the primordial $^7$Li abundance is overestimated by about a factor of 2--3 comparing to the astronomical observations, so called the pending cosmological lithium problem. The $^7$Be($n$,$\\alpha$)$^4$He reaction, which may affect the $^7$Li abundance, was regarded as the secondary important reaction in destructing the $^7$Be nucleus in BBN. However, the thermonuclear rate of $^7$Be($n$,$\\alpha$)$^4$He has not been well studied so far. This reaction rate was firstly estimated by Wagoner in 1969, which has been generally adopted in the current","authors_text":"J.J. He, S. Kubono, S.Q. Hou, Y.S. Chen","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-13T12:30:09Z","title":"A revised thermonuclear rate of $^{7}$Be($n$,$\\alpha$)$^{4}$He relevant to Big-Bang nucleosynthesis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03961","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:cc07d4dc06a2965f1677f2bb0af211c4988ee4c7a0e95b4b05892246c58fcf9d","target":"record","created_at":"2026-05-18T02:03:34Z","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":"58128bbeba7de01dfc3cc0fc7ce0c169509b66e507bcf9e41f96eab5ca23312d","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-13T12:30:09Z","title_canon_sha256":"30c6c3882e2b11d0feed5aefa469d33e5a5d01f332982bfc0d16f7c780dbdd02"},"schema_version":"1.0","source":{"id":"1502.03961","kind":"arxiv","version":1}},"canonical_sha256":"12f6b95d96856895a6092069a3e668742010ba64c6e67301f7f167da8d5ca86e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12f6b95d96856895a6092069a3e668742010ba64c6e67301f7f167da8d5ca86e","first_computed_at":"2026-05-18T02:03:34.297351Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:34.297351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dBp4q3jZdon911oH4unyLqG0tQwNqK7+ExZQwbgh7s6fBbw1soFCNUNjyCJY9R6Wqw3eTzs4A2Zeb4Yo/4EVDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:34.298108Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc07d4dc06a2965f1677f2bb0af211c4988ee4c7a0e95b4b05892246c58fcf9d","sha256:ac2464cc2333a79f837db6ab113ed760d5ca3f408e294ef5c639f2e98ea81104"],"state_sha256":"b41c1d20143abc98cca9c00bc878d2039155f2bc9cef463b8bc740f830929dde"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eb+6Tsanff5Kr/ytxr0Fjk2+f4AgzxmUFlll9UQpkFSyoAzG9py8rXl2LnQ9Zm5bHoJxksz9wHOSJekTOCjrCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:49:28.225708Z","bundle_sha256":"1066b16cfb50cea748c16435af563ff8bca258a310867a48c2159da827333a16"}}