Pith Number

pith:ALMDFM7X

pith:2014:ALMDFM7XXZYYJITRWRZQIFC55S

not attested not anchored not stored refs pending

Sparse Quadratic Discriminant Analysis and Community Bayes

Trevor Hastie, Ya Le

arxiv:1407.4543 v2 · 2014-07-17 · 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{ALMDFM7XXZYYJITRWRZQIFC55S}

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	2026-05-18T01:01:52.606645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02d832b3f7be7184a271b47304145dec8f97a2103a22cb1865399ad1370651db

Aliases

arxiv: 1407.4543 · arxiv_version: 1407.4543v2 · doi: 10.48550/arxiv.1407.4543 · pith_short_12: ALMDFM7XXZYY · pith_short_16: ALMDFM7XXZYYJITR · pith_short_8: ALMDFM7X

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/ALMDFM7XXZYYJITRWRZQIFC55S \
  | 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: 02d832b3f7be7184a271b47304145dec8f97a2103a22cb1865399ad1370651db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7fda290c40290a9f0f914bbcb7084c06d0937071c32be949e54c4d9b8b67a6e",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-07-17T03:11:19Z",
    "title_canon_sha256": "39a8942215ea8af656969674436431713782b17136b5b1fece11aeb8dd6340d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4543",
    "kind": "arxiv",
    "version": 2
  }
}