Pith Number

pith:YX7WZLAD

pith:2013:YX7WZLADSA5JR3WSX6BQCJZAC4

not attested not anchored not stored refs pending

Response to a population bottleneck can be used to infer recessive selection

Daniel J. Balick, David Reich, Ron Do, Shamil R. Sunyaev

arxiv:1312.3028 v2 · 2013-12-11 · 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{YX7WZLADSA5JR3WSX6BQCJZAC4}

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	2026-05-18T02:55:57.041691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ff6cac03903a98eed2bf83012720171bd007e387c64717aace9d1140676f63

Aliases

arxiv: 1312.3028 · arxiv_version: 1312.3028v2 · doi: 10.48550/arxiv.1312.3028 · pith_short_12: YX7WZLADSA5J · pith_short_16: YX7WZLADSA5JR3WS · pith_short_8: YX7WZLAD

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/YX7WZLADSA5JR3WSX6BQCJZAC4 \
  | 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: c5ff6cac03903a98eed2bf83012720171bd007e387c64717aace9d1140676f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e1bdc03f0cf73748cd3e225d65ad17b9aa94b3afc89d3573bb55159a0b1240b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-12-11T03:22:54Z",
    "title_canon_sha256": "6d5e2696eed1767f6db3b5d4b8546aedd9db657bacc4d6d6d8b2df7bb4e43ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3028",
    "kind": "arxiv",
    "version": 2
  }
}