Pith Number

pith:R3QGYMZW

pith:2019:R3QGYMZWSX7I4J22EVAI6JY543

not attested not anchored not stored refs pending

Feature Selection and Feature Extraction in Pattern Analysis: A Literature Review

Benyamin Ghojogh, Fakhri Karray, Maria N. Samad, Mark Crowley, Sayema Asif Mashhadi, Tania Kapoor, Wahab Ali

arxiv:1905.02845 v1 · 2019-05-07 · cs.LG · cs.AI · cs.CV · 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{R3QGYMZWSX7I4J22EVAI6JY543}

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.

Cited by

1 paper in Pith

Machine Learning Methods for Small Data and Upstream Bioprocessing Applications: A Comprehensive Review

Receipt and verification

First computed	2026-05-17T23:46:45.194002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ee06c333695fe8e275a25408f271de6ffeefdc5d0cd28f65c64f2752875423d

Aliases

arxiv: 1905.02845 · arxiv_version: 1905.02845v1 · doi: 10.48550/arxiv.1905.02845 · pith_short_12: R3QGYMZWSX7I · pith_short_16: R3QGYMZWSX7I4J22 · pith_short_8: R3QGYMZW

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/R3QGYMZWSX7I4J22EVAI6JY543 \
  | 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: 8ee06c333695fe8e275a25408f271de6ffeefdc5d0cd28f65c64f2752875423d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87da62db777813b96666be3b08d123528dc15c3f28de9baf5b90cf5f1f21efb4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-07T23:41:34Z",
    "title_canon_sha256": "747e3be7a0b7ad178aacb42e1efd8a00c0d7b7232635d8cb77421992e5882ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02845",
    "kind": "arxiv",
    "version": 1
  }
}