Pith Number

pith:XRGC4XLN

pith:2015:XRGC4XLNABPW34GASWMYIAUJIX

not attested not anchored not stored refs pending

Statistical Emulators for Pricing and Hedging Longevity Risk Products

James Risk, Michael Ludkovski

arxiv:1508.00310 v2 · 2015-08-03 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRGC4XLNABPW34GASWMYIAUJIX}

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	2026-05-18T01:33:15.342767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4c2e5d6d005f6df0c0959984028945c80de321c5511f8f656af8643dea9628

Aliases

arxiv: 1508.00310 · arxiv_version: 1508.00310v2 · doi: 10.48550/arxiv.1508.00310 · pith_short_12: XRGC4XLNABPW · pith_short_16: XRGC4XLNABPW34GA · pith_short_8: XRGC4XLN

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/XRGC4XLNABPW34GASWMYIAUJIX \
  | 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: bc4c2e5d6d005f6df0c0959984028945c80de321c5511f8f656af8643dea9628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38504c382f0d63eb9e82f5fe9adb53938a1f91cdc93c2e9b3f09cdae8ee07d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2015-08-03T04:00:58Z",
    "title_canon_sha256": "9d39a9563471767b92e3b93abd13e6630b4cbc510bbc707618db326a0e361357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00310",
    "kind": "arxiv",
    "version": 2
  }
}