Pith Number

pith:VPHEKHUK

pith:2012:VPHEKHUKJTR3V3FYCNTNE5I7ZB

not attested not anchored not stored refs pending

The genetic prehistory of southern Africa

Blesswell Kure, Bonnie Berger, Brenna Henn, Brigitte Pakendorf, Carlos Bustamante, Chiara Barbieri, Christfried Naumann, David Reich, Falko Berthold, Hirosi Nakagawa, Joanna Mountain, Joseph K. Pickrell, Joseph Lachance, Linda Gerlach, Mark Lipson, Mark Stoneking, Nick Patterson, Po-Ru Loh, Sarah Tishkoff, Sununguko Wata Mpoloka, Tom G\"uldemann

arxiv:1207.5552 v2 · 2012-07-23 · 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{VPHEKHUKJTR3V3FYCNTNE5I7ZB}

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	2026-05-18T02:53:30.542117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abce451e8a4ce3baecb81366d2751fc8737507cf775799d6fcb913dd77be672f

Aliases

arxiv: 1207.5552 · arxiv_version: 1207.5552v2 · doi: 10.48550/arxiv.1207.5552 · pith_short_12: VPHEKHUKJTR3 · pith_short_16: VPHEKHUKJTR3V3FY · pith_short_8: VPHEKHUK

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/VPHEKHUKJTR3V3FYCNTNE5I7ZB \
  | 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: abce451e8a4ce3baecb81366d2751fc8737507cf775799d6fcb913dd77be672f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776d0172ea7d333aa213f18e3f2a37ca850d83cbbb89a18a5d3f2a13eaeef67a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-07-23T22:35:16Z",
    "title_canon_sha256": "ffbe4240d6c9acfef550c8c064c7e2729b1cf85d7bc50689724fd6af18dcebf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5552",
    "kind": "arxiv",
    "version": 2
  }
}