Pith Number

pith:W4EY7U2S

pith:2009:W4EY7U2SOSGH4VZEGBJGC6GHN4

not attested not anchored not stored refs pending

Sample genealogies and genetic variation in populations of variable size

A. Eriksson, B. Mehlig, M. Rafajlovic, S. Sagitov

arxiv:0911.5672 v1 · 2009-11-30 · 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{W4EY7U2SOSGH4VZEGBJGC6GHN4}

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	2026-05-18T03:53:52.620438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7098fd352748c7e572430526178c76f2480405584d88b45233129d611546f3c

Aliases

arxiv: 0911.5672 · arxiv_version: 0911.5672v1 · doi: 10.48550/arxiv.0911.5672 · pith_short_12: W4EY7U2SOSGH · pith_short_16: W4EY7U2SOSGH4VZE · pith_short_8: W4EY7U2S

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/W4EY7U2SOSGH4VZEGBJGC6GHN4 \
  | 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: b7098fd352748c7e572430526178c76f2480405584d88b45233129d611546f3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3f8d2b71f73d91176f322da509fef7d626c6c3dbde3273ef87dcb94828c174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-11-30T15:41:24Z",
    "title_canon_sha256": "1c3be2c1db36118bb94bd04020e33e09eafe23bba3b246f4fd7fd97d85cecb08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5672",
    "kind": "arxiv",
    "version": 1
  }
}