Pith Number

pith:4NX2FF2C

pith:2017:4NX2FF2CK4SAS4PQQ4OMQJ5RZK

not attested not anchored not stored refs pending

Geometry of the sample frequency spectrum and the perils of demographic inference

Anand Bhaskar, Sebastien Roch, Yun S. Song, Zvi Rosen

arxiv:1712.05035 v1 · 2017-12-13 · q-bio.PE · math.AG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NX2FF2CK4SAS4PQQ4OMQJ5RZK}

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	2026-05-18T00:27:48.150745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e36fa2974257240971f0871cc827b1ca93f04088ce06b16c8918ff6d198716ec

Aliases

arxiv: 1712.05035 · arxiv_version: 1712.05035v1 · doi: 10.48550/arxiv.1712.05035 · pith_short_12: 4NX2FF2CK4SA · pith_short_16: 4NX2FF2CK4SAS4PQ · pith_short_8: 4NX2FF2C

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/4NX2FF2CK4SAS4PQQ4OMQJ5RZK \
  | 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: e36fa2974257240971f0871cc827b1ca93f04088ce06b16c8918ff6d198716ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "378a5eb0f423879e4278840a2d705cbba6396fb79bdede29520ccc0537066c57",
    "cross_cats_sorted": [
      "math.AG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-12-13T22:52:21Z",
    "title_canon_sha256": "159a64a2ac61cdc4a8d0f1bb30c800f9236b2636bf27ca347e5cb87df0afe9dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05035",
    "kind": "arxiv",
    "version": 1
  }
}