Pith Number

pith:W27HVAZL

pith:2009:W27HVAZLCFAKCVK2Y2Q5O65CVI

not attested not anchored not stored refs pending

Detecting a conditional extrme value model

Bikramjit Das, Sidney I. Resnick

arxiv:0902.2996 v1 · 2009-02-17 · 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{W27HVAZLCFAKCVK2Y2Q5O65CVI}

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	2026-05-18T04:14:38.343904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6be7a832b1140a1555ac6a1d77ba2aa3158c044af40f4314852937c13789511

Aliases

arxiv: 0902.2996 · arxiv_version: 0902.2996v1 · doi: 10.48550/arxiv.0902.2996 · pith_short_12: W27HVAZLCFAK · pith_short_16: W27HVAZLCFAKCVK2 · pith_short_8: W27HVAZL

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/W27HVAZLCFAKCVK2Y2Q5O65CVI \
  | 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: b6be7a832b1140a1555ac6a1d77ba2aa3158c044af40f4314852937c13789511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8871f5311368272c4950c1bb02d9f3d3b6df31b21b8a1e07e8c2bd14207125a",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2009-02-17T20:50:16Z",
    "title_canon_sha256": "a9ed72339d1bc147aad1772574bb8c08c19c0439aed7ce75804678cc33a64cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2996",
    "kind": "arxiv",
    "version": 1
  }
}