Pith Number

pith:XTJZ44EY

pith:2017:XTJZ44EYLEBHK2XCMEMM4KTUD7

not attested not anchored not stored refs pending

FWDA: a Fast Wishart Discriminant Analysis with its Application to Electronic Health Records Data Classification

Haoyi Xiong, Jiang Bian, Wei Cheng, Wenqing Hu, Zhishan Guo

arxiv:1704.07790 v1 · 2017-04-25 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTJZ44EYLEBHK2XCMEMM4KTUD7}

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	2026-05-18T00:45:36.917182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd39e70985902756ae26118ce2a741ff8f4f9c882b3e089dd51d8c91cdcef71

Aliases

arxiv: 1704.07790 · arxiv_version: 1704.07790v1 · doi: 10.48550/arxiv.1704.07790 · pith_short_12: XTJZ44EYLEBH · pith_short_16: XTJZ44EYLEBHK2XC · pith_short_8: XTJZ44EY

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/XTJZ44EYLEBHK2XCMEMM4KTUD7 \
  | 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: bcd39e70985902756ae26118ce2a741ff8f4f9c882b3e089dd51d8c91cdcef71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb92242be8e87155fde94f0c74fcaee401c4001ea0a695f159557a69c36fa4d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-04-25T17:11:57Z",
    "title_canon_sha256": "60d962657f8792d13e96ad6527ff56afd19580298d7b87f247c5606455d679b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07790",
    "kind": "arxiv",
    "version": 1
  }
}