Pith Number

pith:IREVVUZZ

pith:2026:IREVVUZZUAMHY2MXUJVBXQ2GLS

not attested not anchored not stored refs pending

On the spherical cardioid distribution and its goodness-of-fit

Eduardo Garc\'ia-Portugu\'es

arxiv:2601.16095 v2 · 2026-01-22 · 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{IREVVUZZUAMHY2MXUJVBXQ2GLS}

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	2026-07-15T01:21:49.576150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44495ad339a0187c6997a26a1bc3465cbe755efe953068ecadf4a36efdc3b085

Aliases

arxiv: 2601.16095 · arxiv_version: 2601.16095v2 · doi: 10.48550/arxiv.2601.16095 · pith_short_12: IREVVUZZUAMH · pith_short_16: IREVVUZZUAMHY2MX · pith_short_8: IREVVUZZ

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/IREVVUZZUAMHY2MXUJVBXQ2GLS \
  | 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: 44495ad339a0187c6997a26a1bc3465cbe755efe953068ecadf4a36efdc3b085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db03802b2249d95f1edb6d050f8948ecffb7133456e1900b5a3636ef0f9a18a0",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-01-22T16:45:27Z",
    "title_canon_sha256": "a3005b75ab03686fd1930af0b9d0524765649c4e0b2ada8ca61f62aa6984eedb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.16095",
    "kind": "arxiv",
    "version": 2
  }
}