Pith Number

pith:EXL7BA75

pith:2015:EXL7BA75ZOORQ3G3ZJEOSQC6AH

not attested not anchored not stored refs pending

An analytic recursive method for optimal multiple stopping: Canadization and phase-type fitting

Hongzhong Zhang, Kazutoshi Yamazaki, Tim Leung

arxiv:1505.07705 v1 · 2015-05-28 · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXL7BA75ZOORQ3G3ZJEOSQC6AH}

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	2026-05-18T01:19:19.214281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25d7f083fdcb9d186cdbca48e9405e01c86aa606f2da6bdab0d1198a11ca8ae2

Aliases

arxiv: 1505.07705 · arxiv_version: 1505.07705v1 · doi: 10.48550/arxiv.1505.07705 · pith_short_12: EXL7BA75ZOOR · pith_short_16: EXL7BA75ZOORQ3G3 · pith_short_8: EXL7BA75

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/EXL7BA75ZOORQ3G3ZJEOSQC6AH \
  | 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: 25d7f083fdcb9d186cdbca48e9405e01c86aa606f2da6bdab0d1198a11ca8ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c35cacf29eda7a77f37623ff6a83a7c52c625c7417542421efabc6c7d607e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2015-05-28T14:42:40Z",
    "title_canon_sha256": "036fe7a04a34c785b0c1e78063da426f09156499521f38f52acdb4260febc9d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07705",
    "kind": "arxiv",
    "version": 1
  }
}