Pith Number

pith:UKIFYCPP

pith:2014:UKIFYCPPPDKC4GE5CSUWKZTIEY

not attested not anchored not stored refs pending

Improved ratio type estimator using two auxiliary variables under second order approximation

prayas sharma, Rajesh Singh

arxiv:1402.3921 v1 · 2014-02-17 · 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{UKIFYCPPPDKC4GE5CSUWKZTIEY}

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	2026-05-18T02:58:55.160085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2905c09ef78d42e189d14a96566682624ea8fbc0cc591dd6abdd6995bd3e777

Aliases

arxiv: 1402.3921 · arxiv_version: 1402.3921v1 · doi: 10.48550/arxiv.1402.3921 · pith_short_12: UKIFYCPPPDKC · pith_short_16: UKIFYCPPPDKC4GE5 · pith_short_8: UKIFYCPP

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/UKIFYCPPPDKC4GE5CSUWKZTIEY \
  | 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: a2905c09ef78d42e189d14a96566682624ea8fbc0cc591dd6abdd6995bd3e777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2baf369bd6bdea1f93fc7ffd7e8574ec75e72265295528cc9aaa834833a47b94",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-02-17T08:03:27Z",
    "title_canon_sha256": "09c9776926a36365ff1be97bfa391de70b0c0804f8b0e1f42dd681536c31d502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3921",
    "kind": "arxiv",
    "version": 1
  }
}