Pith Number

pith:G5TM5OB3

pith:2021:G5TM5OB3QQDJHTGFPNHFQMZM2V

not attested not anchored not stored refs pending

Investigating an Alternative for Estimation from a Nonprobability Sample: Matching plus Calibration

Richard Valliant, Zhan Liu

arxiv:2112.00855 v1 · 2021-12-01 · stat.ME · 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{G5TM5OB3QQDJHTGFPNHFQMZM2V}

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	2026-07-05T03:37:00.339411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3766ceb83b840693ccc57b4e58332cd54fdf9bfadc6e712e9d8507ebbdba2e2c

Aliases

arxiv: 2112.00855 · arxiv_version: 2112.00855v1 · doi: 10.48550/arxiv.2112.00855 · pith_short_12: G5TM5OB3QQDJ · pith_short_16: G5TM5OB3QQDJHTGF · pith_short_8: G5TM5OB3

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/G5TM5OB3QQDJHTGFPNHFQMZM2V \
  | 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: 3766ceb83b840693ccc57b4e58332cd54fdf9bfadc6e712e9d8507ebbdba2e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdd116858c3060d366624d7ce2b74aac9d9aaa404f498e0f22d42fc1cc9df1e4",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-12-01T22:09:15Z",
    "title_canon_sha256": "cfe0ec74ed3a1ddd9511b12adb72685547b97271eae45c97da562e62cf0d258d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.00855",
    "kind": "arxiv",
    "version": 1
  }
}