Pith Number

pith:R4AVU6GF

pith:2007:R4AVU6GFJ2HBWSUZSWHRBVFWKW

not attested not anchored not stored refs pending

An optimal life insurance policy in the investment-consumption problem in an incomplete market

Hideki Iwaki, Masahiko Egami

arxiv:0801.0195 v2 · 2007-12-31 · q-fin.PM · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4AVU6GFJ2HBWSUZSWHRBVFWKW}

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	2026-05-18T04:23:13.523191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f015a78c54e8e1b4a99958f10d4b6559ad8eadb2ec065bee39e8b974fd4b224

Aliases

arxiv: 0801.0195 · arxiv_version: 0801.0195v2 · doi: 10.48550/arxiv.0801.0195 · pith_short_12: R4AVU6GFJ2HB · pith_short_16: R4AVU6GFJ2HBWSUZ · pith_short_8: R4AVU6GF

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/R4AVU6GFJ2HBWSUZSWHRBVFWKW \
  | 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: 8f015a78c54e8e1b4a99958f10d4b6559ad8eadb2ec065bee39e8b974fd4b224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36bc1331e98955c1034b45080d82498c69cd7b78d287694af46c17a4386fcf6a",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2007-12-31T09:32:32Z",
    "title_canon_sha256": "4fe096ea9bb07dde2be77967f4c99cfbfe153fcc2230fd564d6c9bb0224b3547"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0195",
    "kind": "arxiv",
    "version": 2
  }
}