Pith Number

pith:WV6HPWLW

pith:2012:WV6HPWLWOKV3N5IBW5E4FANKU5

not attested not anchored not stored refs pending

The geography of recent genetic ancestry across Europe

Graham Coop, Peter Ralph

arxiv:1207.3815 v5 · 2012-07-16 · q-bio.PE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WV6HPWLWOKV3N5IBW5E4FANKU5}

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	2026-05-18T03:26:20.698491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b57c77d97672abb6f501b749c281aaa76e160483ed4399e60ae49b37af429919

Aliases

arxiv: 1207.3815 · arxiv_version: 1207.3815v5 · doi: 10.48550/arxiv.1207.3815 · pith_short_12: WV6HPWLWOKV3 · pith_short_16: WV6HPWLWOKV3N5IB · pith_short_8: WV6HPWLW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WV6HPWLWOKV3N5IBW5E4FANKU5 \
  | 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: b57c77d97672abb6f501b749c281aaa76e160483ed4399e60ae49b37af429919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f97788dfef9f78329e07e6e18ed6e88359cfdc47090e1737997408c4a4d02264",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-07-16T20:24:15Z",
    "title_canon_sha256": "9cfba369c5220c53dcec373120fca30b4f9147cc1d0df4ad823d7111c710abde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3815",
    "kind": "arxiv",
    "version": 5
  }
}