Pith Number

pith:FXJ6EXV5

pith:2020:FXJ6EXV5FWX2X3B6MXTPNCVEEY

not attested not anchored not stored refs pending

A Mortality Model for Multi-populations: A Semi-Parametric Approach

Juhyun Park, Lei Fang, Wolfgang K. H\"ardle

arxiv:2009.04296 v1 · 2020-09-09 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXJ6EXV5FWX2X3B6MXTPNCVEEY}

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	2026-07-05T01:34:16.844856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dd3e25ebd2dafabec3e65e6f68aa42615e465d08fcb541842ff4df37f44ee8c

Aliases

arxiv: 2009.04296 · arxiv_version: 2009.04296v1 · doi: 10.48550/arxiv.2009.04296 · pith_short_12: FXJ6EXV5FWX2 · pith_short_16: FXJ6EXV5FWX2X3B6 · pith_short_8: FXJ6EXV5

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/FXJ6EXV5FWX2X3B6MXTPNCVEEY \
  | 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: 2dd3e25ebd2dafabec3e65e6f68aa42615e465d08fcb541842ff4df37f44ee8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f646ed0a99da8d4a56a891478b032b62b78be688f6b24f5a73dcfcc594e39c08",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2020-09-09T13:42:03Z",
    "title_canon_sha256": "8ef477fc4fd13251ffa2e7dc7b480e6a8cd7f743459e6f8d4805d152d7c0ab48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04296",
    "kind": "arxiv",
    "version": 1
  }
}