Pith Number

pith:NHT3WY4S

pith:2015:NHT3WY4S5U5ULOVQXXK7SHR4TE

not attested not anchored not stored refs pending

Approximation and estimation of very small probabilities of multivariate extreme events

Cees de Valk

arxiv:1503.00489 v2 · 2015-03-02 · 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{NHT3WY4S5U5ULOVQXXK7SHR4TE}

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	2026-05-18T00:50:13.841043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e7bb6392ed3b45bab0bdd5f91e3c99276490e17e925752d39093554f7d5897

Aliases

arxiv: 1503.00489 · arxiv_version: 1503.00489v2 · doi: 10.48550/arxiv.1503.00489 · pith_short_12: NHT3WY4S5U5U · pith_short_16: NHT3WY4S5U5ULOVQ · pith_short_8: NHT3WY4S

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/NHT3WY4S5U5ULOVQXXK7SHR4TE \
  | 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: 69e7bb6392ed3b45bab0bdd5f91e3c99276490e17e925752d39093554f7d5897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91d2008dc679e6edb67a04479f812e8aad50f7b22f7415d09bee3eb57e217a9c",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-03-02T11:51:50Z",
    "title_canon_sha256": "b2c660274aa37771011beb3e905a5059615bd94c68b0dab087d4b94f8f9b29f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00489",
    "kind": "arxiv",
    "version": 2
  }
}