{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:MVVHWETVLNN7R4UTKZAKC2B3TQ","short_pith_number":"pith:MVVHWETV","schema_version":"1.0","canonical_sha256":"656a7b12755b5bf8f2935640a1683b9c25c4f8c90272209e618865afe81957f0","source":{"kind":"arxiv","id":"1006.4172","version":2},"attestation_state":"computed","paper":{"title":"Metastable GeV-scale particles as a solution to the cosmological lithium problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Josef Pradler, Maxim Pospelov","submitted_at":"2010-06-21T20:45:23Z","abstract_excerpt":"The persistent discrepancy between observations of 7Li with putative primordial origin and its abundance prediction in Big Bang Nucleosynthesis (BBN) has become a challenge for the standard cosmological and astrophysical picture. We point out that the decay of GeV-scale metastable particles X may significantly reduce the BBN value down to a level at which it is reconciled with observations. The most efficient reduction occurs when the decay happens to charged pions and kaons, followed by their charge exchange reactions with protons. Similarly, if X decays to muons, secondary electron antineutr"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1006.4172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-06-21T20:45:23Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"37568081a07663a7d73bce3060cae6897ff5b9b5b3ab28932c5136bc1e6d5dba","abstract_canon_sha256":"1b64a9bfc489d7e55d38b9353f86b939b671547a7ddae2b125abc5a915cfd956"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:45.971882Z","signature_b64":"G0QcGTMHqWYUleqfLuox+JX3qmIqBpHsUOXgVe/ZHPV5w2h2+wiXNvmoCyT/ml9QqSsM3DViib9XdwLyIQGaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"656a7b12755b5bf8f2935640a1683b9c25c4f8c90272209e618865afe81957f0","last_reissued_at":"2026-05-18T04:34:45.971480Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:45.971480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Metastable GeV-scale particles as a solution to the cosmological lithium problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Josef Pradler, Maxim Pospelov","submitted_at":"2010-06-21T20:45:23Z","abstract_excerpt":"The persistent discrepancy between observations of 7Li with putative primordial origin and its abundance prediction in Big Bang Nucleosynthesis (BBN) has become a challenge for the standard cosmological and astrophysical picture. We point out that the decay of GeV-scale metastable particles X may significantly reduce the BBN value down to a level at which it is reconciled with observations. The most efficient reduction occurs when the decay happens to charged pions and kaons, followed by their charge exchange reactions with protons. Similarly, if X decays to muons, secondary electron antineutr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.4172","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1006.4172","created_at":"2026-05-18T04:34:45.971537+00:00"},{"alias_kind":"arxiv_version","alias_value":"1006.4172v2","created_at":"2026-05-18T04:34:45.971537+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.4172","created_at":"2026-05-18T04:34:45.971537+00:00"},{"alias_kind":"pith_short_12","alias_value":"MVVHWETVLNN7","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"MVVHWETVLNN7R4UT","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"MVVHWETV","created_at":"2026-05-18T12:26:10.704358+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2507.23354","citing_title":"Consistent $N_{\\rm eff}$ fitting in big bang nucleosynthesis analysis","ref_index":29,"is_internal_anchor":true},{"citing_arxiv_id":"2509.05618","citing_title":"Primordial Black Holes Evaporating before Big Bang Nucleosynthesis","ref_index":65,"is_internal_anchor":true},{"citing_arxiv_id":"2511.00157","citing_title":"Nucleosynthesis and CMB bounds on photophilic ALPs: a fresh look","ref_index":46,"is_internal_anchor":true},{"citing_arxiv_id":"2604.01324","citing_title":"Bipartite Solution to the Lithium Problem","ref_index":41,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ","json":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ.json","graph_json":"https://pith.science/api/pith-number/MVVHWETVLNN7R4UTKZAKC2B3TQ/graph.json","events_json":"https://pith.science/api/pith-number/MVVHWETVLNN7R4UTKZAKC2B3TQ/events.json","paper":"https://pith.science/paper/MVVHWETV"},"agent_actions":{"view_html":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ","download_json":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ.json","view_paper":"https://pith.science/paper/MVVHWETV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1006.4172&json=true","fetch_graph":"https://pith.science/api/pith-number/MVVHWETVLNN7R4UTKZAKC2B3TQ/graph.json","fetch_events":"https://pith.science/api/pith-number/MVVHWETVLNN7R4UTKZAKC2B3TQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ/action/storage_attestation","attest_author":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ/action/author_attestation","sign_citation":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ/action/citation_signature","submit_replication":"https://pith.science/pith/MVVHWETVLNN7R4UTKZAKC2B3TQ/action/replication_record"}},"created_at":"2026-05-18T04:34:45.971537+00:00","updated_at":"2026-05-18T04:34:45.971537+00:00"}