Pith Number

pith:J3BUPMNB

pith:2013:J3BUPMNBVP2XHIPWHPXQIX6V7K

not attested not anchored not stored refs pending

Semiparametric stochastic volatility modelling using penalized splines

Alexander Sohn, Roland Langrock, Th\'eo Michelot, Thomas Kneib

arxiv:1308.5836 v3 · 2013-08-27 · stat.ME · 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{J3BUPMNBVP2XHIPWHPXQIX6V7K}

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	2026-05-18T02:49:31.765769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ec347b1a1abf573a1f63bef045fd5fa95cc9d7995f5cfc08b05633741254310

Aliases

arxiv: 1308.5836 · arxiv_version: 1308.5836v3 · doi: 10.48550/arxiv.1308.5836 · pith_short_12: J3BUPMNBVP2X · pith_short_16: J3BUPMNBVP2XHIPW · pith_short_8: J3BUPMNB

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/J3BUPMNBVP2XHIPWHPXQIX6V7K \
  | 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: 4ec347b1a1abf573a1f63bef045fd5fa95cc9d7995f5cfc08b05633741254310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0a349ae6aa6828d2518c883bca0db82d7f163b78f8d953d26789c229e2b2fb",
    "cross_cats_sorted": [
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-08-27T12:06:16Z",
    "title_canon_sha256": "3ebb3ba8ee5e88cb45e7d19119546bc03eec687a2f76dac068222c678b307dfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5836",
    "kind": "arxiv",
    "version": 3
  }
}