Pith Number

pith:NQUSLCMC

pith:2013:NQUSLCMC5ERJNNJSZD7HSK6EI4

not attested not anchored not stored refs pending

Neyman's C(\alpha) Test for Unobserved Heterogeneity

Jiaying Gu

arxiv:1302.0262 v2 · 2013-02-01 · 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{NQUSLCMC5ERJNNJSZD7HSK6EI4}

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	2026-05-18T02:41:09.140940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c29258982e92296b532c8fe792bc44721ce3db7555ced96a098a02bd9c71811

Aliases

arxiv: 1302.0262 · arxiv_version: 1302.0262v2 · doi: 10.48550/arxiv.1302.0262 · pith_short_12: NQUSLCMC5ERJ · pith_short_16: NQUSLCMC5ERJNNJS · pith_short_8: NQUSLCMC

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/NQUSLCMC5ERJNNJSZD7HSK6EI4 \
  | 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: 6c29258982e92296b532c8fe792bc44721ce3db7555ced96a098a02bd9c71811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "500f31b49acb59484de1a2aea143fc2031b2d0ce186ba451cc3a324a658cc017",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-02-01T19:57:14Z",
    "title_canon_sha256": "200b541754a5c3736f7d7772e926f3e9e69c83455c6323084970a2a6852c33c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0262",
    "kind": "arxiv",
    "version": 2
  }
}