{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Q7LHGK537B347RVNHCWZT7ITWQ","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":"6002acf5af4c30183324a4e937b12d55f67c81a5441542fca990cee2d9e163b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-05-21T12:01:32Z","title_canon_sha256":"6218722e27afa7251d163ecc20e13cbba492b53cf46e53d3503c54c94a3795f0"},"schema_version":"1.0","source":{"id":"1505.05687","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05687","created_at":"2026-05-18T01:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05687v4","created_at":"2026-05-18T01:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05687","created_at":"2026-05-18T01:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"Q7LHGK537B34","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q7LHGK537B347RVN","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q7LHGK53","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:661006421991f1eee7b4e4d5b29ff9e227c3280b5f6faf9f372a3deb3b3731b7","target":"graph","created_at":"2026-05-18T01:03:20Z","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":"The era of big data is coming, and evidence-based medicine is attracting increasing attention to improve decision making in medical practice via integrating evidence from well designed and conducted clinical research. Meta-analysis is a statistical technique widely used in evidence-based medicine for analytically combining the findings from independent clinical trials to provide an overall estimation of a treatment effectiveness. The sample mean and standard deviation are two commonly used statistics in meta-analysis but some trials use the median, the minimum and maximum values, or sometimes ","authors_text":"Dehui Luo, Jiming Liu, Tiejun Tong, Xiang Wan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-05-21T12:01:32Z","title":"Optimally estimating the sample mean from the sample size, median, mid-range and/or mid-quartile range"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05687","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:df3d11150cdfef9783aaf8851a90818808ff24a8ed509f63b0494944fd1e6670","target":"record","created_at":"2026-05-18T01:03:20Z","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":"6002acf5af4c30183324a4e937b12d55f67c81a5441542fca990cee2d9e163b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-05-21T12:01:32Z","title_canon_sha256":"6218722e27afa7251d163ecc20e13cbba492b53cf46e53d3503c54c94a3795f0"},"schema_version":"1.0","source":{"id":"1505.05687","kind":"arxiv","version":4}},"canonical_sha256":"87d6732bbbf877cfc6ad38ad99fd13b409f76409edaa643f7bf0c9e751eac330","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87d6732bbbf877cfc6ad38ad99fd13b409f76409edaa643f7bf0c9e751eac330","first_computed_at":"2026-05-18T01:03:20.473494Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:20.473494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fUtN9ts36dE5EQAp5Lyv6GkdJw/hd7btF0ChII2LXpDRS/iI3cXilUWXrV91ZpHTlroHr77jTMdxTdVzAS7VCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:20.474056Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.05687","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df3d11150cdfef9783aaf8851a90818808ff24a8ed509f63b0494944fd1e6670","sha256:661006421991f1eee7b4e4d5b29ff9e227c3280b5f6faf9f372a3deb3b3731b7"],"state_sha256":"7a2e8b8fe34773b8e3d198a13eb67634589d0cd9f5ca24f60b5eedb3249c7537"}