Pith Number

pith:SSAQ3AHI

pith:2012:SSAQ3AHIFYLAUBYKVML5HJ2TN7

not attested not anchored not stored refs pending

A two parameter ratio-product-ratio estimator using auxiliary information

Bernd Sing, Doneal Thomas, Peter S. Chami

arxiv:1202.2395 v1 · 2012-02-11 · 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{SSAQ3AHIFYLAUBYKVML5HJ2TN7}

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	2026-05-18T03:17:57.504593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94810d80e82e160a070aab17d3a7536fe781e9b77d8e5fc599d0ef622f3bb141

Aliases

arxiv: 1202.2395 · arxiv_version: 1202.2395v1 · doi: 10.48550/arxiv.1202.2395 · pith_short_12: SSAQ3AHIFYLA · pith_short_16: SSAQ3AHIFYLAUBYK · pith_short_8: SSAQ3AHI

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/SSAQ3AHIFYLAUBYKVML5HJ2TN7 \
  | 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: 94810d80e82e160a070aab17d3a7536fe781e9b77d8e5fc599d0ef622f3bb141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fabe3a421bdfa9202af9b3dfdc9d18233583a1e7509ebba37aa69e8b6da604f1",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-02-11T01:21:43Z",
    "title_canon_sha256": "6e89d5d8c5c3fbddbea96d8a403408b3dfe6041c960f5e2e48c362d9d66fb7e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2395",
    "kind": "arxiv",
    "version": 1
  }
}