Pith Number

pith:CAEFUUSX

pith:2014:CAEFUUSXSOXN65R5WJJHXUTC7R

not attested not anchored not stored refs pending

Generalizing the Network Scale-Up Method: A New Estimator for the Size of Hidden Populations

Dennis M. Feehan, Matthew J. Salganik

arxiv:1404.4009 v4 · 2014-04-15 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAEFUUSXSOXN65R5WJJHXUTC7R}

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	2026-05-18T00:59:34.991470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10085a525793aedf763db2527bd262fc7f7edb3bfb36e341001bf449d40a988c

Aliases

arxiv: 1404.4009 · arxiv_version: 1404.4009v4 · doi: 10.48550/arxiv.1404.4009 · pith_short_12: CAEFUUSXSOXN · pith_short_16: CAEFUUSXSOXN65R5 · pith_short_8: CAEFUUSX

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/CAEFUUSXSOXN65R5WJJHXUTC7R \
  | 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: 10085a525793aedf763db2527bd262fc7f7edb3bfb36e341001bf449d40a988c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e0967aa0d830c0c55cb7f83c4187ec76932305321c5a78941f04efe33f8bc0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2014-04-15T18:25:38Z",
    "title_canon_sha256": "ea6ca50587bac1f45e7980c1e7b0c7936b3875883044710969da26ce43e5580d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4009",
    "kind": "arxiv",
    "version": 4
  }
}