Pith Number

pith:VDTK3SLI

pith:2016:VDTK3SLIPTXJLZHSFEBT73EZKV

not attested not anchored not stored refs pending

Improving Efficiency of SVM k-fold Cross-validation by Alpha Seeding

Bin Li, Jian Chen, Rao Kotagiri, Rui Zhang, Yawen Chen, Zeyi Wen

arxiv:1611.07659 v2 · 2016-11-23 · 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{VDTK3SLIPTXJLZHSFEBT73EZKV}

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	2026-05-18T00:51:24.982842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e6adc9687cee95e4f229033fec9955519c8844745b9a16884f0c0391fc2692

Aliases

arxiv: 1611.07659 · arxiv_version: 1611.07659v2 · doi: 10.48550/arxiv.1611.07659 · pith_short_12: VDTK3SLIPTXJ · pith_short_16: VDTK3SLIPTXJLZHS · pith_short_8: VDTK3SLI

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/VDTK3SLIPTXJLZHSFEBT73EZKV \
  | 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: a8e6adc9687cee95e4f229033fec9955519c8844745b9a16884f0c0391fc2692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652dd148c9aa60a68e15b14d207b8a168295bac103b987bbdee17267603875e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-11-23T06:48:25Z",
    "title_canon_sha256": "e65159366788fa7cd70a0193e95dfd71480b79c9618ed114097a4d08be94ebe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07659",
    "kind": "arxiv",
    "version": 2
  }
}