Pith Number

pith:AWYP25GS

pith:2019:AWYP25GSKCGPYT7WHYOI5V54CV

not attested not anchored not stored refs pending

Optimal Reinsurance and Investment in a Diffusion Model

Hanspeter Schmidli, Matteo Brachetta

arxiv:1903.12426 v1 · 2019-03-29 · 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{AWYP25GSKCGPYT7WHYOI5V54CV}

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	2026-05-17T23:49:54.075173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05b0fd74d2508cfc4ff63e1c8ed7bc15420e488bfa4ac36198b6f2f5f261b5b6

Aliases

arxiv: 1903.12426 · arxiv_version: 1903.12426v1 · doi: 10.48550/arxiv.1903.12426 · pith_short_12: AWYP25GSKCGP · pith_short_16: AWYP25GSKCGPYT7W · pith_short_8: AWYP25GS

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/AWYP25GSKCGPYT7WHYOI5V54CV \
  | 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: 05b0fd74d2508cfc4ff63e1c8ed7bc15420e488bfa4ac36198b6f2f5f261b5b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fa560747656054c6b22471f18d0cc91d144a1476f1c0f680384f47fece207eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2019-03-29T09:59:53Z",
    "title_canon_sha256": "d364948f1cfb97571b0ce64223c010233f3ae5dd5cf612b76579913c9ff91726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12426",
    "kind": "arxiv",
    "version": 1
  }
}