Pith Number

pith:I3I7KNHD

pith:2015:I3I7KNHDQROTDRHHMZTFWKQ3OC

not attested not anchored not stored refs pending

An Information-Theoretic Alternative to the Cronbach's Alpha Coefficient of Item Reliability

Ernest Fokoue, Necla Gunduz

arxiv:1501.04070 v1 · 2015-01-16 · math.ST · stat.ME · 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{I3I7KNHDQROTDRHHMZTFWKQ3OC}

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	2026-05-18T02:29:16.378911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46d1f534e3845d31c4e766665b2a1b70b8e4402ec42e45ea7a4ffbb1d2467e36

Aliases

arxiv: 1501.04070 · arxiv_version: 1501.04070v1 · doi: 10.48550/arxiv.1501.04070 · pith_short_12: I3I7KNHDQROT · pith_short_16: I3I7KNHDQROTDRHH · pith_short_8: I3I7KNHD

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/I3I7KNHDQROTDRHHMZTFWKQ3OC \
  | 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: 46d1f534e3845d31c4e766665b2a1b70b8e4402ec42e45ea7a4ffbb1d2467e36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a31866074fd7a96c1f5faea6a185561d21d67aa896225ee7bfcf20d131d1a84",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-01-16T18:01:31Z",
    "title_canon_sha256": "1c9af986a83e2092095c520e0e814a9c8e4702663f12aabc9a5d8a17aeee3feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04070",
    "kind": "arxiv",
    "version": 1
  }
}