Pith Number

pith:D4BEWCCV

pith:2015:D4BEWCCVYUUXTSEXVYPTQBIN4Q

not attested not anchored not stored refs pending

Sparse Distance Weighted Discrimination

Boxiang Wang, Hui Zou

arxiv:1501.06066 v1 · 2015-01-24 · stat.ML · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4BEWCCVYUUXTSEXVYPTQBIN4Q}

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	2026-05-18T02:28:46.947692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f024b0855c52979c897ae1f38050de43c3c9dffe03e5e6b0e8bd38bf1efceff

Aliases

arxiv: 1501.06066 · arxiv_version: 1501.06066v1 · doi: 10.48550/arxiv.1501.06066 · pith_short_12: D4BEWCCVYUUX · pith_short_16: D4BEWCCVYUUXTSEX · pith_short_8: D4BEWCCV

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/D4BEWCCVYUUXTSEXVYPTQBIN4Q \
  | 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: 1f024b0855c52979c897ae1f38050de43c3c9dffe03e5e6b0e8bd38bf1efceff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e550b2df9a2995bd09e1540040ddabc73d994e605be87deabbcfce0183c6b0e",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-01-24T17:34:36Z",
    "title_canon_sha256": "dfb1c2d3ef8320f37a5c1a12f3dcffc1da936541c976d07958344c665567b708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06066",
    "kind": "arxiv",
    "version": 1
  }
}