Pith Number

pith:SOGLAYVB

pith:2017:SOGLAYVBI2DJL6PAVQKFSHIMVU

not attested not anchored not stored refs pending

Optimality of Excess-Loss Reinsurance under a Mean-Variance Criterion

Danping Li, Dongchen Li, Virginia R. Young

arxiv:1703.01984 v2 · 2017-03-06 · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOGLAYVBI2DJL6PAVQKFSHIMVU}

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	2026-05-18T00:48:14.277445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938cb062a1468695f9e0ac14591d0cad338f48ed2eb70d7a49a9582155eea7ec

Aliases

arxiv: 1703.01984 · arxiv_version: 1703.01984v2 · doi: 10.48550/arxiv.1703.01984 · pith_short_12: SOGLAYVBI2DJ · pith_short_16: SOGLAYVBI2DJL6PA · pith_short_8: SOGLAYVB

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/SOGLAYVBI2DJL6PAVQKFSHIMVU \
  | 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: 938cb062a1468695f9e0ac14591d0cad338f48ed2eb70d7a49a9582155eea7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f909c5a5d07295ea7a2f8cda6d76ed54a01312e0ea3c30fcd1ffcd05af8ce531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.RM",
    "submitted_at": "2017-03-06T17:15:39Z",
    "title_canon_sha256": "29fd5587ae0053a43d92f027bb42558552102630111c3726ceb1d4ddca7825cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01984",
    "kind": "arxiv",
    "version": 2
  }
}