Pith Number

pith:QW4YVWEM

pith:2013:QW4YVWEMYYUPZZYKMAKASK5NSD

not attested not anchored not stored refs pending

Scaling Integral Projection Models for Analyzing Size Demography

Alan E. Gelfand, James S. Clark, Souparno Ghosh

arxiv:1312.7260 v1 · 2013-12-27 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QW4YVWEMYYUPZZYKMAKASK5NSD}

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	2026-05-18T03:03:45.329647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b98ad88cc628fce70a6014092bad90d9ba950fb4a4a2fb5d41037ec67af57f

Aliases

arxiv: 1312.7260 · arxiv_version: 1312.7260v1 · doi: 10.48550/arxiv.1312.7260 · pith_short_12: QW4YVWEMYYUP · pith_short_16: QW4YVWEMYYUPZZYK · pith_short_8: QW4YVWEM

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/QW4YVWEMYYUPZZYKMAKASK5NSD \
  | 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: 85b98ad88cc628fce70a6014092bad90d9ba950fb4a4a2fb5d41037ec67af57f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69485b69c27114c5af0b28c7d996c97bd912475c73b088568483a92c1e97e863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-12-27T13:29:15Z",
    "title_canon_sha256": "470d5cbc0047905e0bd010865e75fdb9a7858158dd2e36a973cf7178c1696540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7260",
    "kind": "arxiv",
    "version": 1
  }
}