Pith Number

pith:NJHYT52U

pith:2014:NJHYT52URLLA4LZVCWY7UO36PK

not attested not anchored not stored refs pending

Arbitrage-free prediction of the implied volatility smile

Aleksandar Mijatovi\'c, Petros Dellaportas

arxiv:1407.5528 v1 · 2014-07-21 · q-fin.PR · 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{NJHYT52URLLA4LZVCWY7UO36PK}

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	2026-05-18T02:47:13.841961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a4f89f7548ad60e2f3515b1fa3b7e7a8c7df208e5fb69ffffda68fd64b5d7ec

Aliases

arxiv: 1407.5528 · arxiv_version: 1407.5528v1 · doi: 10.48550/arxiv.1407.5528 · pith_short_12: NJHYT52URLLA · pith_short_16: NJHYT52URLLA4LZV · pith_short_8: NJHYT52U

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/NJHYT52URLLA4LZVCWY7UO36PK \
  | 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: 6a4f89f7548ad60e2f3515b1fa3b7e7a8c7df208e5fb69ffffda68fd64b5d7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f8aba91b9095debbda70cf1a83e64bdc1943cddb9a19a8a1f1a916965f7756",
    "cross_cats_sorted": [
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2014-07-21T15:29:33Z",
    "title_canon_sha256": "73c1ea52b0242233b3edabdb8fbc5ed44f5f87357eb8ebb5df617d43f205b708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5528",
    "kind": "arxiv",
    "version": 1
  }
}