Pith Number

pith:CQGNNZ3F

pith:2016:CQGNNZ3FYQDCQAMC77UJQVUWZ6

not attested not anchored not stored refs pending

Model reduction for calibration of American options

Barbara Wohlmuth, Kathrin Glau, Mirco Mahlstedt, Olena Burkovska

arxiv:1611.06452 v1 · 2016-11-19 · math.NA · 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{CQGNNZ3FYQDCQAMC77UJQVUWZ6}

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	2026-05-18T00:57:36.761718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140cd6e765c406280182ffe8985696cf8fd838cf63683745efd5bfaa58b96d78

Aliases

arxiv: 1611.06452 · arxiv_version: 1611.06452v1 · doi: 10.48550/arxiv.1611.06452 · pith_short_12: CQGNNZ3FYQDC · pith_short_16: CQGNNZ3FYQDCQAMC · pith_short_8: CQGNNZ3F

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/CQGNNZ3FYQDCQAMC77UJQVUWZ6 \
  | 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: 140cd6e765c406280182ffe8985696cf8fd838cf63683745efd5bfaa58b96d78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35053cf7d1ab019710d9d45e9f093883ef5eda0c3abdac61c4f7581697b67af9",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-19T23:59:45Z",
    "title_canon_sha256": "db05e06b21c49c227de378fe07df75d0051f15920367d92792871c9f6cbbd992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06452",
    "kind": "arxiv",
    "version": 1
  }
}