Pith Number

pith:SE5SZXTY

pith:2018:SE5SZXTYAGIQ45H6TZNAZC2QLU

not attested not anchored not stored refs pending

Optimal investment-consumption and life insurance with capital constraints

Calisto Guambe, Rodwell Kufakunesu

arxiv:1808.04613 v1 · 2018-08-14 · 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{SE5SZXTYAGIQ45H6TZNAZC2QLU}

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	2026-05-18T00:08:12.055186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913b2cde7801910e74fe9e5a0c8b505d3e2521ad43e76eb7b98c717731628cdd

Aliases

arxiv: 1808.04613 · arxiv_version: 1808.04613v1 · doi: 10.48550/arxiv.1808.04613 · pith_short_12: SE5SZXTYAGIQ · pith_short_16: SE5SZXTYAGIQ45H6 · pith_short_8: SE5SZXTY

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/SE5SZXTYAGIQ45H6TZNAZC2QLU \
  | 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: 913b2cde7801910e74fe9e5a0c8b505d3e2521ad43e76eb7b98c717731628cdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77f8f9e1dac0e43bdc369372c33d240bd1d5518c6ee91e93a7193dc81cecdda6",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2018-08-14T10:22:51Z",
    "title_canon_sha256": "39605d25c5b5452a0a0d947cdbd471de0ad9edc551f87b4870fc41277aa1e4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04613",
    "kind": "arxiv",
    "version": 1
  }
}