Pith Number

pith:5BHVP6RV

pith:2013:5BHVP6RV5VJW3WAD6CRHJ7D2CK

not attested not anchored not stored refs pending

Convex Regularization of Local Volatility Estimation in a Discrete Setting

Adriano De Cezaro, Jorge Passamani Zubelli, Vinicius V.L. Albani

arxiv:1308.2659 v1 · 2013-08-12 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BHVP6RV5VJW3WAD6CRHJ7D2CK}

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	2026-05-18T03:16:06.909977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e84f57fa35ed536dd803f0a274fc7a12a091e23b22df5606f082267ac4756aff

Aliases

arxiv: 1308.2659 · arxiv_version: 1308.2659v1 · doi: 10.48550/arxiv.1308.2659 · pith_short_12: 5BHVP6RV5VJW · pith_short_16: 5BHVP6RV5VJW3WAD · pith_short_8: 5BHVP6RV

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/5BHVP6RV5VJW3WAD6CRHJ7D2CK \
  | 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: e84f57fa35ed536dd803f0a274fc7a12a091e23b22df5606f082267ac4756aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de474f9e08f846af300c0babf204debf7d8917516d1a424fc41693198a068dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-12T19:43:03Z",
    "title_canon_sha256": "ace9e1bde667bf22c50c9cd05ff512c0a77d79aa91148eedf41bca77f782e799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2659",
    "kind": "arxiv",
    "version": 1
  }
}