Pith Number

pith:REEMG6TR

pith:2018:REEMG6TR5B7AVG3ZBHEIQWYBGK

not attested not anchored not stored refs pending

Risk-based optimal portfolio of an insurer with regime switching and noisy memory

Calisto Guambe, Lesedi Mabitsela, Rodwell Kufakunesu

arxiv:1808.04604 v2 · 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{REEMG6TR5B7AVG3ZBHEIQWYBGK}

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	2026-05-17T23:50:42.627924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8908c37a71e87e0a9b7909c8885b01328a39b1f825e2068145e171a6167ef224

Aliases

arxiv: 1808.04604 · arxiv_version: 1808.04604v2 · doi: 10.48550/arxiv.1808.04604 · pith_short_12: REEMG6TR5B7A · pith_short_16: REEMG6TR5B7AVG3Z · pith_short_8: REEMG6TR

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/REEMG6TR5B7AVG3ZBHEIQWYBGK \
  | 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: 8908c37a71e87e0a9b7909c8885b01328a39b1f825e2068145e171a6167ef224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa0c82fa1407b72da9c0a2ffc3553f2a54fb18d251a3f77b57bcf12a04faf9dc",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2018-08-14T10:03:28Z",
    "title_canon_sha256": "5f0a5f3f235c9541a794a685753ffdef465d79d3c55f61f09f5fe106590431de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04604",
    "kind": "arxiv",
    "version": 2
  }
}