Pith Number

pith:INRSHPN5

pith:2015:INRSHPN5JYUQBR5TYNS4JNZ4B4

not attested not anchored not stored refs pending

Correcting for non-ignorable missingness in smoking trends

Hanna Tolonen, Juha Karvanen, Juho Kopra, Tommi H\"ark\"anen

arxiv:1502.03609 v1 · 2015-02-12 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INRSHPN5JYUQBR5TYNS4JNZ4B4}

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	2026-05-18T01:01:01.789570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

436323bdbd4e2900c7b3c365c4b73c0f12ca42d2540a435cefe20a9eab066af4

Aliases

arxiv: 1502.03609 · arxiv_version: 1502.03609v1 · doi: 10.48550/arxiv.1502.03609 · pith_short_12: INRSHPN5JYUQ · pith_short_16: INRSHPN5JYUQBR5T · pith_short_8: INRSHPN5

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/INRSHPN5JYUQBR5TYNS4JNZ4B4 \
  | 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: 436323bdbd4e2900c7b3c365c4b73c0f12ca42d2540a435cefe20a9eab066af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69019367521e83d5612d802459ed69012505337a6c7f814ffc3cfd2fefcb120f",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-02-12T11:37:19Z",
    "title_canon_sha256": "90b07d33b9a6da1d6379b6abee7a71b3468bad4494c427199ef2d4a4e06236a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03609",
    "kind": "arxiv",
    "version": 1
  }
}