Pith Number

pith:KRASZAZG

pith:2018:KRASZAZGZIHXMN25UB4YML75LO

not attested not anchored not stored refs pending

Matrix Linear Discriminant Analysis

Dehan Kong, Hua Zhou, Wei Hu, Weining Shen

arxiv:1809.08746 v2 · 2018-09-24 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRASZAZGZIHXMN25UB4YML75LO}

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	2026-05-17T23:47:07.305092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54412c8326ca0f76375da079862ffd5b8499db6ad82c662abc9651a4dc306af4

Aliases

arxiv: 1809.08746 · arxiv_version: 1809.08746v2 · doi: 10.48550/arxiv.1809.08746 · pith_short_12: KRASZAZGZIHX · pith_short_16: KRASZAZGZIHXMN25 · pith_short_8: KRASZAZG

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/KRASZAZGZIHXMN25UB4YML75LO \
  | 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: 54412c8326ca0f76375da079862ffd5b8499db6ad82c662abc9651a4dc306af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "809ead680ee27c499fb6b952bbe735fc62ab31a8577b14341cef84755e0a3271",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-09-24T04:07:06Z",
    "title_canon_sha256": "cebe82a3abb9e422df21200499279ce08517a60f0471e35c2fa489a3d1661550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08746",
    "kind": "arxiv",
    "version": 2
  }
}