Pith Number

pith:IX5LZIQE

pith:2010:IX5LZIQEF7WKEHNHDR463Y2VOP

not attested not anchored not stored refs pending

On a free boundary problem for an American put option under the CEV process

Charles Knessl, Miao Xu

arxiv:1009.2973 v2 · 2010-09-15 · math.AP · 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{IX5LZIQEF7WKEHNHDR463Y2VOP}

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	2026-05-18T04:40:44.743875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fabca2042feca21da71c79ede35573d1167b7f59c96e8ac415fd69f5a39acc

Aliases

arxiv: 1009.2973 · arxiv_version: 1009.2973v2 · doi: 10.48550/arxiv.1009.2973 · pith_short_12: IX5LZIQEF7WK · pith_short_16: IX5LZIQEF7WKEHNH · pith_short_8: IX5LZIQE

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/IX5LZIQEF7WKEHNHDR463Y2VOP \
  | 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: 45fabca2042feca21da71c79ede35573d1167b7f59c96e8ac415fd69f5a39acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0ae4f9c8ce9c6c2b38fd352cbea18390c0e435a58c05c1c5912f35bed171293",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-09-15T17:05:24Z",
    "title_canon_sha256": "a60a448903a19791a114f3872ba4644e4399ec63bebfa1b6b8353f470df4addc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2973",
    "kind": "arxiv",
    "version": 2
  }
}