Pith Number

pith:SRJL4NSR

pith:2019:SRJL4NSRSDMODMYQXCA4SVCZFF

not attested not anchored not stored refs pending

Compact Finite Difference Scheme with Hermite Interpolation for Pricing American Put Options Based on Regime Switching Model

Chinonso Nwankwo, Ruihua Liu, Weizhong Dai

arxiv:1908.04900 v6 · 2019-08-14 · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRJL4NSRSDMODMYQXCA4SVCZFF}

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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	2026-07-05T01:12:01.925432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9452be365190d8e1b310b881c95459294c0e38a7977c9e36a19b69aa07901f7f

Aliases

arxiv: 1908.04900 · arxiv_version: 1908.04900v6 · doi: 10.48550/arxiv.1908.04900 · pith_short_12: SRJL4NSRSDMO · pith_short_16: SRJL4NSRSDMODMYQ · pith_short_8: SRJL4NSR

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/SRJL4NSRSDMODMYQXCA4SVCZFF \
  | 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: 9452be365190d8e1b310b881c95459294c0e38a7977c9e36a19b69aa07901f7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c101fafa42960c0cac347c06d3dc70910f47e4656e79367363cbd6fb8f6c382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2019-08-14T00:39:12Z",
    "title_canon_sha256": "42c51e470563ad528406dd65a4c624abdc6b0535ab689e21da99554f6059f9f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04900",
    "kind": "arxiv",
    "version": 6
  }
}