Pith Number

pith:DGFCXXYW

pith:2013:DGFCXXYWQPF42ZBCPFLCWHC7WN

not attested not anchored not stored refs pending

Latent demographic profile estimation in hard-to-reach groups

Tian Zheng, Tyler H. McCormick

arxiv:1301.2473 v1 · 2013-01-11 · 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{DGFCXXYWQPF42ZBCPFLCWHC7WN}

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	2026-05-18T03:36:37.833350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

198a2bdf1683cbcd642279562b1c5fb36beeda4468eb96fd4eeed106292cccf4

Aliases

arxiv: 1301.2473 · arxiv_version: 1301.2473v1 · doi: 10.48550/arxiv.1301.2473 · pith_short_12: DGFCXXYWQPF4 · pith_short_16: DGFCXXYWQPF42ZBC · pith_short_8: DGFCXXYW

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/DGFCXXYWQPF42ZBCPFLCWHC7WN \
  | 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: 198a2bdf1683cbcd642279562b1c5fb36beeda4468eb96fd4eeed106292cccf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dd7a0195e348ebc888555bc6a16eb6f1e00d146b121cd5041386c7411dea1d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-01-11T12:20:52Z",
    "title_canon_sha256": "f364273e0456cfef903e23d01311d0af1c79b128b26898e67dd033f982cd01e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2473",
    "kind": "arxiv",
    "version": 1
  }
}