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Pith Number

pith:W3MZEBV5

pith:2014:W3MZEBV56UFGSL6WGTF3BZFK4I
not attested not anchored not stored refs pending

No evidence that natural selection has been less effective at removing deleterious mutations in Europeans than in West Africans

Daniel Balick, David Reich, Heng Li, Ivan Adzhubei, Ron Do, Shamil Sunyaev

arxiv:1402.4896 v1 · 2014-02-20 · q-bio.PE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W3MZEBV56UFGSL6WGTF3BZFK4I}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T02:58:31.755877Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b6d99206bdf50a692fd634cbb0e4aae21a26015a3df96b301ebfac1e63376624

Aliases

arxiv: 1402.4896 · arxiv_version: 1402.4896v1 · doi: 10.48550/arxiv.1402.4896 · pith_short_12: W3MZEBV56UFG · pith_short_16: W3MZEBV56UFGSL6W · pith_short_8: W3MZEBV5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W3MZEBV56UFGSL6WGTF3BZFK4I \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b6d99206bdf50a692fd634cbb0e4aae21a26015a3df96b301ebfac1e63376624
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f0912498ceca3f570b626ea65a6bbe578eb3e883044c2e2d151fe6a5ba64e1b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-02-20T05:24:11Z",
    "title_canon_sha256": "a8b1a9acfb7ce7403323bbb5b77301b279d1c5386c1101aa8a0485b125654924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4896",
    "kind": "arxiv",
    "version": 1
  }
}