Pith Number

pith:QA5MKS4C

pith:2014:QA5MKS4CGOZWLNXFFUGKLFE4FG

not attested not anchored not stored refs pending

Optimal investment-reinsurance policy under a long-term perspective

Xiaoxiao Zheng, Xin Zhang

arxiv:1406.7604 v1 · 2014-06-30 · q-fin.MF · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QA5MKS4CGOZWLNXFFUGKLFE4FG}

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	2026-05-18T02:48:44.653435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803ac54b8233b365b6e52d0ca5949c298b9c1488e0a2e882bb473f398abd2196

Aliases

arxiv: 1406.7604 · arxiv_version: 1406.7604v1 · doi: 10.48550/arxiv.1406.7604 · pith_short_12: QA5MKS4CGOZW · pith_short_16: QA5MKS4CGOZWLNXF · pith_short_8: QA5MKS4C

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/QA5MKS4CGOZWLNXFFUGKLFE4FG \
  | 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: 803ac54b8233b365b6e52d0ca5949c298b9c1488e0a2e882bb473f398abd2196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ae691eee44984b79b4987243c9f777d2e6bf2886cb6cee03131165d0488fd1",
    "cross_cats_sorted": [
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2014-06-30T04:57:02Z",
    "title_canon_sha256": "c8f2274f2eddcbd6920af3fa6eccc9a9fcf0428d036bdaa1d9332a7cd34e9572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7604",
    "kind": "arxiv",
    "version": 1
  }
}