pith. sign in
Pith Number

pith:3OSJXOVJ

pith:2013:3OSJXOVJQK3Z6UGJJHKN37T3DQ
not attested not anchored not stored refs pending

Natural selection reduced diversity on human Y chromosomes

Kirk E. Lohmueller, Melissa A. Wilson Sayres, Rasmus Nielsen

arxiv:1303.5012 v2 · 2013-03-20 · q-bio.PE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3OSJXOVJQK3Z6UGJJHKN37T3DQ}

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 2026-05-18T03:04:22.499379Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dba49bbaa982b79f50c949d4ddfe7b1c1225545cebd9db6d8e7a99ef74f35e0f

Aliases

arxiv: 1303.5012 · arxiv_version: 1303.5012v2 · doi: 10.48550/arxiv.1303.5012 · pith_short_12: 3OSJXOVJQK3Z · pith_short_16: 3OSJXOVJQK3Z6UGJ · pith_short_8: 3OSJXOVJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3OSJXOVJQK3Z6UGJJHKN37T3DQ \
  | 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: dba49bbaa982b79f50c949d4ddfe7b1c1225545cebd9db6d8e7a99ef74f35e0f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "63ad826b5e8f4d9318e02724dec7e00f7a37052c412fe14647c8c5d46abfa335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-03-20T18:22:32Z",
    "title_canon_sha256": "0bccc0880f1f2c1e57902d1628df7b967ab1e1d7bc8a567118f3f72f8003a62d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5012",
    "kind": "arxiv",
    "version": 2
  }
}