Pith Number

pith:C7QT6VVR

pith:2014:C7QT6VVRUOGK2POC622KSDSHYQ

not attested not anchored not stored refs pending

Some Improved Estimators In Systematic Sampling Under Non-response

Hemant K. Verma, Rajesh Singh, R. D. Singh

arxiv:1403.1102 v1 · 2014-03-05 · 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{C7QT6VVRUOGK2POC622KSDSHYQ}

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	2026-05-18T02:57:00.632333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e13f56b1a38cad3dc2f6b4a90e47c42c7ae888365bf238cb33a54edfa7636e

Aliases

arxiv: 1403.1102 · arxiv_version: 1403.1102v1 · doi: 10.48550/arxiv.1403.1102 · pith_short_12: C7QT6VVRUOGK · pith_short_16: C7QT6VVRUOGK2POC · pith_short_8: C7QT6VVR

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/C7QT6VVRUOGK2POC622KSDSHYQ \
  | 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: 17e13f56b1a38cad3dc2f6b4a90e47c42c7ae888365bf238cb33a54edfa7636e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9df88a4942e29925c40d7bf794394775d98beca25c8eefa8ff185e239a62ff4c",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-03-05T12:54:49Z",
    "title_canon_sha256": "a04a6afe9948ef55df5172bb25ea094318d87f870a4bf7fa2a9dd1eb8a4d2100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1102",
    "kind": "arxiv",
    "version": 1
  }
}