Pith Number

pith:T5BIBDJZ

pith:2015:T5BIBDJZK7EC6LYOKXCYRKHWIW

not attested not anchored not stored refs pending

Air quality and acute deaths in California, 2000-2012

Kenneth K. Lopiano, Richard L. Smith, S. Stanley Young

arxiv:1502.03062 v3 · 2015-02-10 · 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{T5BIBDJZK7EC6LYOKXCYRKHWIW}

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	2026-05-18T02:09:54.217724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f42808d3957c82f2f0e55c588a8f6458b15624bcd8e64f1a551bafda5f04c8a

Aliases

arxiv: 1502.03062 · arxiv_version: 1502.03062v3 · doi: 10.48550/arxiv.1502.03062 · pith_short_12: T5BIBDJZK7EC · pith_short_16: T5BIBDJZK7EC6LYO · pith_short_8: T5BIBDJZ

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/T5BIBDJZK7EC6LYOKXCYRKHWIW \
  | 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: 9f42808d3957c82f2f0e55c588a8f6458b15624bcd8e64f1a551bafda5f04c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd43060c53f63d76b7e8d967cd217e43ebdce7575526541f598bddcf63e2d994",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-02-10T20:08:14Z",
    "title_canon_sha256": "119a1793b74b380026339fa48c059e353ad446cf03c5aa4a11a8ebdb7056d75b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03062",
    "kind": "arxiv",
    "version": 3
  }
}