Pith Number

pith:ERIWUN2J

pith:2009:ERIWUN2JQH3OYVUEACTN3ECYJA

not attested not anchored not stored refs pending

Laplace transformation method for the Black-Scholes equation

Dongwoo Sheen, Hyoseop Lee

arxiv:0901.4604 v2 · 2009-01-29 · q-fin.CP · math.AP · 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{ERIWUN2JQH3OYVUEACTN3ECYJA}

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	2026-05-18T01:19:39.225391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24516a374981f6ec568400a6dd905848145fd373f16b7a36b97b30318a9802f4

Aliases

arxiv: 0901.4604 · arxiv_version: 0901.4604v2 · doi: 10.48550/arxiv.0901.4604 · pith_short_12: ERIWUN2JQH3O · pith_short_16: ERIWUN2JQH3OYVUE · pith_short_8: ERIWUN2J

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/ERIWUN2JQH3OYVUEACTN3ECYJA \
  | 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: 24516a374981f6ec568400a6dd905848145fd373f16b7a36b97b30318a9802f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8df4f8f2d2a2df65f909d4e10435f3606d80c01c414aa7f3e6a475dd4576e2e",
    "cross_cats_sorted": [
      "math.AP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2009-01-29T05:44:05Z",
    "title_canon_sha256": "03b3bae2aa52a096de3ac35dc4fb6df58a16d2b2e3e2555ea76c62b0e239aa77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4604",
    "kind": "arxiv",
    "version": 2
  }
}