Pith Number

pith:2DQTRIMI

pith:2012:2DQTRIMI3TJF6RJFNULAUYQCVW

not attested not anchored not stored refs pending

A Bias-reduced Estimator for the Mean of a Heavy-tailed Distribution with an Infinite Second Moment

Abdelhakim Necir, Brahim Brahimi, Djabrane Yahia, Djamel Meraghni

arxiv:1201.1578 v2 · 2012-01-07 · stat.ME · math.ST · stat.CO · 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{2DQTRIMI3TJF6RJFNULAUYQCVW}

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	2026-05-18T02:52:23.874134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e138a188dcd25f45256d160a6202ad80b64643625dd38b87e4bbe49f4e62d5

Aliases

arxiv: 1201.1578 · arxiv_version: 1201.1578v2 · doi: 10.48550/arxiv.1201.1578 · pith_short_12: 2DQTRIMI3TJF · pith_short_16: 2DQTRIMI3TJF6RJF · pith_short_8: 2DQTRIMI

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/2DQTRIMI3TJF6RJFNULAUYQCVW \
  | 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: d0e138a188dcd25f45256d160a6202ad80b64643625dd38b87e4bbe49f4e62d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1bddbb8ac883af5902ed1b62a1c19c457bbfafacd2a333f5f29a93b0ea09ead",
    "cross_cats_sorted": [
      "math.ST",
      "stat.CO",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-01-07T17:40:49Z",
    "title_canon_sha256": "3366919d963dacbfd0f6cec16d63d11e62e2aa921b8ecfa3be69ee597781cfc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1578",
    "kind": "arxiv",
    "version": 2
  }
}