Pith Number

pith:HGFR566G

pith:2013:HGFR566G2QEMI4IQTH7EIPN22U

not attested not anchored not stored refs pending

Skew and implied leverage effect: smile dynamics revisited

Jean-Philippe Bouchaud, Tung-Lam Dao, Vincent Vargas

arxiv:1311.4078 v1 · 2013-11-16 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGFR566G2QEMI4IQTH7EIPN22U}

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	2026-05-18T03:06:53.698014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

398b1efbc6d408c4711099fe443dbad538b914d41d0f828ba7fbddb7e186d068

Aliases

arxiv: 1311.4078 · arxiv_version: 1311.4078v1 · doi: 10.48550/arxiv.1311.4078 · pith_short_12: HGFR566G2QEM · pith_short_16: HGFR566G2QEMI4IQ · pith_short_8: HGFR566G

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/HGFR566G2QEMI4IQTH7EIPN22U \
  | 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: 398b1efbc6d408c4711099fe443dbad538b914d41d0f828ba7fbddb7e186d068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82caf6e1f48309d03a62652aca8bc13bb71f1c82f5e61cfa865ac99877c8e04a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2013-11-16T17:01:19Z",
    "title_canon_sha256": "110f0b36b4d0667cc699baaf9eba7ee2ea6a9139a3b36baee0758360f7a3ad5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4078",
    "kind": "arxiv",
    "version": 1
  }
}