Pith Number

pith:W5ENL5IZ

pith:2013:W5ENL5IZDM4LXIFXOWHZ4KUVK7

not attested not anchored not stored refs pending

Example of a Non-standard Extreme Value Law

Michal Kupsa, Nicolai Haydn

arxiv:1308.0379 v2 · 2013-08-02 · math.PR · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5ENL5IZDM4LXIFXOWHZ4KUVK7}

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	2026-05-18T01:35:57.550756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b748d5f5191b38bba0b7758f9e2a9557c32186975d31974b2eebabff1031693c

Aliases

arxiv: 1308.0379 · arxiv_version: 1308.0379v2 · doi: 10.48550/arxiv.1308.0379 · pith_short_12: W5ENL5IZDM4L · pith_short_16: W5ENL5IZDM4LXIFX · pith_short_8: W5ENL5IZ

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/W5ENL5IZDM4LXIFXOWHZ4KUVK7 \
  | 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: b748d5f5191b38bba0b7758f9e2a9557c32186975d31974b2eebabff1031693c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "499dd74d42acc01c496932149df2c2ddbd2d428fd0d0f8ae8e75d82c3bbbf279",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-08-02T00:00:06Z",
    "title_canon_sha256": "ef753cd06b105ed913682fef5e40d90d4b1d5cf47b21a6d8fe315bea65fd8544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0379",
    "kind": "arxiv",
    "version": 2
  }
}