Pith Number

pith:VZKZV7KH

pith:2015:VZKZV7KHAZSSKENUMKBAMKGHSD

not attested not anchored not stored refs pending

Supersparse Linear Integer Models for Optimized Medical Scoring Systems

Berk Ustun, Cynthia Rudin

arxiv:1502.04269 v3 · 2015-02-15 · stat.ML · cs.DM · cs.LG · 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{VZKZV7KHAZSSKENUMKBAMKGHSD}

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	2026-05-18T00:31:22.909717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae559afd4706652511b462820628c790ddfd8a5a54ece0281e900d5ff6cd61e8

Aliases

arxiv: 1502.04269 · arxiv_version: 1502.04269v3 · doi: 10.48550/arxiv.1502.04269 · pith_short_12: VZKZV7KHAZSS · pith_short_16: VZKZV7KHAZSSKENU · pith_short_8: VZKZV7KH

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/VZKZV7KHAZSSKENUMKBAMKGHSD \
  | 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: ae559afd4706652511b462820628c790ddfd8a5a54ece0281e900d5ff6cd61e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f24af97ed7b9833c90c61f61f18a8e3fc42902c1e8f5fa2d20ca16526ce8f8d",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.LG",
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-15T01:26:41Z",
    "title_canon_sha256": "ebe344a11f6fc0fd4c0443a6262fcbc68bf3fc5e0ef0a272a66bdb5706c78f9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04269",
    "kind": "arxiv",
    "version": 3
  }
}