Pith Number

pith:EWNMBJFP

pith:2017:EWNMBJFPFY5PTJJ4FUVCTOPOHQ

not attested not anchored not stored refs pending

Experimental Identification of Hard Data Sets for Classification and Feature Selection Methods with Insights on Method Selection

Cuiju Luan, Guozhu Dong

arxiv:1703.08283 v2 · 2017-03-24 · 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{EWNMBJFPFY5PTJJ4FUVCTOPOHQ}

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	2026-05-18T00:00:09.333352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

259ac0a4af2e3af9a53c2d2a29b9ee3c1a526a73beba57f8288803735383bb4c

Aliases

arxiv: 1703.08283 · arxiv_version: 1703.08283v2 · doi: 10.48550/arxiv.1703.08283 · pith_short_12: EWNMBJFPFY5P · pith_short_16: EWNMBJFPFY5PTJJ4 · pith_short_8: EWNMBJFP

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/EWNMBJFPFY5PTJJ4FUVCTOPOHQ \
  | 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: 259ac0a4af2e3af9a53c2d2a29b9ee3c1a526a73beba57f8288803735383bb4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a2ecc1c842c3cfcb03073a8d2e78cb4a2e7db9dda7e675adda887c5efe59a89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-03-24T04:26:22Z",
    "title_canon_sha256": "4caf2daa3b48964ed2003a4813158863970d36238b6126aeb5bd71fe32e99571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08283",
    "kind": "arxiv",
    "version": 2
  }
}