Pith Number

pith:6OLRUB4N

pith:2009:6OLRUB4NLF2MIVGNLK3NHBDHJT

not attested not anchored not stored refs pending

Nonparametric methods for volatility density estimation

Bert van Es, Harry van Zanten, Peter Spreij

arxiv:0910.5185 v1 · 2009-10-27 · stat.ME · math.ST · q-fin.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{6OLRUB4NLF2MIVGNLK3NHBDHJT}

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	2026-05-18T02:47:51.450639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3971a078d5974c454cd5ab6d384674ce16f14f6a05ad79409a15e68315a3c58

Aliases

arxiv: 0910.5185 · arxiv_version: 0910.5185v1 · doi: 10.48550/arxiv.0910.5185 · pith_short_12: 6OLRUB4NLF2M · pith_short_16: 6OLRUB4NLF2MIVGN · pith_short_8: 6OLRUB4N

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/6OLRUB4NLF2MIVGNLK3NHBDHJT \
  | 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: f3971a078d5974c454cd5ab6d384674ce16f14f6a05ad79409a15e68315a3c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9075699f9e2cde8f6c85b119e0ff34dd7adbf5d135e567a577128cadb6c94666",
    "cross_cats_sorted": [
      "math.ST",
      "q-fin.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-10-27T17:38:41Z",
    "title_canon_sha256": "375904087ad2e47e9076e2f488650c7566b749bb681d45144c29e9422d44f389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5185",
    "kind": "arxiv",
    "version": 1
  }
}