Pith Number

pith:WR5CN52L

pith:2013:WR5CN52LHPN7PZRSBUCKU4BHVC

not attested not anchored not stored refs pending

A quantitative evaluation of health care system in US, China, and Sweden

Chenghua Cao, Hualong Zu, Li Charlie Xia, Menghui Li, Mingyi Gao, Qixin Wang

arxiv:1304.5563 v1 · 2013-04-19 · stat.AP · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WR5CN52LHPN7PZRSBUCKU4BHVC}

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	2026-05-18T03:27:31.662236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b47a26f74b3bdbf7e6320d04aa7027a8ab4d5e406262146f0d6c4d421067d699

Aliases

arxiv: 1304.5563 · arxiv_version: 1304.5563v1 · doi: 10.48550/arxiv.1304.5563 · pith_short_12: WR5CN52LHPN7 · pith_short_16: WR5CN52LHPN7PZRS · pith_short_8: WR5CN52L

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/WR5CN52LHPN7PZRSBUCKU4BHVC \
  | 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: b47a26f74b3bdbf7e6320d04aa7027a8ab4d5e406262146f0d6c4d421067d699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c8ece5ce54555ad6bc57ad57645c66c977ac6d3f8451ae93eda7a800c36d2d0",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-04-19T23:43:41Z",
    "title_canon_sha256": "4811dde39498a2aadefb637685863cba1fd10b82b7e40ea73981ad705e3f99ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5563",
    "kind": "arxiv",
    "version": 1
  }
}