Pith Number

pith:AQZTDIWP

pith:2013:AQZTDIWPSDBAJB4RDKLMX4B75R

not attested not anchored not stored refs pending

Descartes' rule of signs and the identifiability of population demographic models from genomic variation data

Anand Bhaskar, Yun S. Song

arxiv:1309.5056 v3 · 2013-09-19 · q-bio.PE · math.ST · stat.AP · 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{AQZTDIWPSDBAJB4RDKLMX4B75R}

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	2026-05-18T02:32:31.076766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

043331a2cf90c20487911a96cbf03fec458934f39c551438f4b07b39ae8bf6f8

Aliases

arxiv: 1309.5056 · arxiv_version: 1309.5056v3 · doi: 10.48550/arxiv.1309.5056 · pith_short_12: AQZTDIWPSDBA · pith_short_16: AQZTDIWPSDBAJB4R · pith_short_8: AQZTDIWP

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/AQZTDIWPSDBAJB4RDKLMX4B75R \
  | 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: 043331a2cf90c20487911a96cbf03fec458934f39c551438f4b07b39ae8bf6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be1ee8c57424bfa9b33cfea07ac2cb40b13fed837703e7886ce7bdefbace12b",
    "cross_cats_sorted": [
      "math.ST",
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-09-19T17:22:24Z",
    "title_canon_sha256": "5ed672ceb1fe05b6ee1165ada7f815633ab41275b67171e074614ddde8e978fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5056",
    "kind": "arxiv",
    "version": 3
  }
}