Pith Number

pith:OCWOXV5Q

pith:2015:OCWOXV5Q2FOZPCUYPGOEZK4EY7

not attested not anchored not stored refs pending

Efficient and robust calibration of the Heston option pricing model for American options using an improved Cuckoo Search Algorithm

Ronald Hochreiter, Stefan Haring

arxiv:1507.08937 v1 · 2015-07-31 · cs.NE · q-fin.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCWOXV5Q2FOZPCUYPGOEZK4EY7}

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	2026-05-18T01:36:02.561301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70acebd7b0d15d978a98799c4cab84c7caa4168b8280cafe0556feaceb3f8b8d

Aliases

arxiv: 1507.08937 · arxiv_version: 1507.08937v1 · doi: 10.48550/arxiv.1507.08937 · pith_short_12: OCWOXV5Q2FOZ · pith_short_16: OCWOXV5Q2FOZPCUY · pith_short_8: OCWOXV5Q

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/OCWOXV5Q2FOZPCUYPGOEZK4EY7 \
  | 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: 70acebd7b0d15d978a98799c4cab84c7caa4168b8280cafe0556feaceb3f8b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02cfb75e5104dcf7378e806d5513ab5cfa6a9e94aea5a6eac3c8d9a2bc88fd16",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-07-31T16:38:25Z",
    "title_canon_sha256": "f44697e9676e2ba56f1e65af8fb5c73e7be65d316b9aff15273ab08b047aa656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08937",
    "kind": "arxiv",
    "version": 1
  }
}