Pith Number

pith:YAX7HZPE

pith:2010:YAX7HZPEVTXDK3UTB6GRIHCUVV

not attested not anchored not stored refs pending

Comparison of numerical and analytical approximations of the early exercise boundary of the American put option

Daniel Sevcovic, Martin Lauko

arxiv:1002.0979 v2 · 2010-02-04 · q-fin.CP · 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{YAX7HZPEVTXDK3UTB6GRIHCUVV}

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	2026-05-18T04:25:50.655367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c02ff3e5e4acee356e930f8d141c54ad454efc7e46e33c167042f5f4a2e001b4

Aliases

arxiv: 1002.0979 · arxiv_version: 1002.0979v2 · doi: 10.48550/arxiv.1002.0979 · pith_short_12: YAX7HZPEVTXD · pith_short_16: YAX7HZPEVTXDK3UT · pith_short_8: YAX7HZPE

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/YAX7HZPEVTXDK3UTB6GRIHCUVV \
  | 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: c02ff3e5e4acee356e930f8d141c54ad454efc7e46e33c167042f5f4a2e001b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee99c4adea2e41a25d0cb43a81ac91f00c56cdb270b0731a1a78be312aa95215",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2010-02-04T12:18:28Z",
    "title_canon_sha256": "199caa764506e21beb3987f8fc75403a0044d0e43d7cdc878cd44e3cb3c2c0dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0979",
    "kind": "arxiv",
    "version": 2
  }
}