Pith Number

pith:CUACYK44

pith:2015:CUACYK44Y3MZQEJH56OBXXD4F7

not attested not anchored not stored refs pending

An Analysis of the Heston Stochastic Volatility Model: Implementation and Calibration using Matlab

Ricardo Crisostomo

arxiv:1502.02963 v2 · 2015-02-10 · q-fin.PR · math.NA · math.PR · q-fin.CP · 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{CUACYK44Y3MZQEJH56OBXXD4F7}

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	2026-05-18T02:22:28.626281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15002c2b9cc6d9981127ef9c1bdc7c2ff983389ea8308e7d628bbbc8949a621e

Aliases

arxiv: 1502.02963 · arxiv_version: 1502.02963v2 · doi: 10.48550/arxiv.1502.02963 · pith_short_12: CUACYK44Y3MZ · pith_short_16: CUACYK44Y3MZQEJH · pith_short_8: CUACYK44

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/CUACYK44Y3MZQEJH56OBXXD4F7 \
  | 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: 15002c2b9cc6d9981127ef9c1bdc7c2ff983389ea8308e7d628bbbc8949a621e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84ea5a8ce30530cfadf6f452742d2126f2b7b29fc61745ad772e3cf57419772",
    "cross_cats_sorted": [
      "math.NA",
      "math.PR",
      "q-fin.CP",
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2015-02-10T16:04:38Z",
    "title_canon_sha256": "b98ee0e4c9739ceabe06733376d1dd3d031ce35e25a727f4622d63cceb7daa35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02963",
    "kind": "arxiv",
    "version": 2
  }
}