Pith Number

pith:XWQSPLE2

pith:2015:XWQSPLE2DUC7IWYNTUTB7LHUI6

not attested not anchored not stored refs pending

Nonparametric volatility estimation in scalar diffusions: Optimality across observation frequencies

Jakub Chorowski

arxiv:1507.07139 v2 · 2015-07-25 · stat.AP · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWQSPLE2DUC7IWYNTUTB7LHUI6}

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	2026-05-18T01:17:59.824367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda127ac9a1d05f45b0d9d261facf447b06d1344e3924be24f75f21b5b714132

Aliases

arxiv: 1507.07139 · arxiv_version: 1507.07139v2 · doi: 10.48550/arxiv.1507.07139 · pith_short_12: XWQSPLE2DUC7 · pith_short_16: XWQSPLE2DUC7IWYN · pith_short_8: XWQSPLE2

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/XWQSPLE2DUC7IWYNTUTB7LHUI6 \
  | 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: bda127ac9a1d05f45b0d9d261facf447b06d1344e3924be24f75f21b5b714132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35e5c4f9ad35cf2645a7fa2cb8e3cd1b660a33132d1fd780d0c957eba0641a8a",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-07-25T21:44:52Z",
    "title_canon_sha256": "37c1ce0dc89dfde37d464eebc8405337b23378e941d5fb67934c03a3aa0d5a37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07139",
    "kind": "arxiv",
    "version": 2
  }
}