Pith Number

pith:NPJRISWH

pith:2021:NPJRISWH6KAKSBARMUZVRSPIHK

not attested not anchored not stored refs pending

Text Guide: Improving the quality of long text classification by a text selection method based on feature importance

(2) Center for Latin-American Logistics Innovation, Awad Al-Juaid (4), Bogota, College Of Engineering, Colombia (3) Faculty of Economic Sciences, Edgar Gutierrez (1)(2), Jozef Zurada (5) ((1) Department of Industrial Engineering, Krzysztof Fiok (1), LOGyCA, Maciej Wilamowski (3), Management Systems, Mohammad Reza Davahli (1), Poland (4) Department of Industrial Engineering, Saudi Arabia (5) Business School, Taif University, Tareq Ahram (1), University of Central Florida, University of Louisville, University of Warsaw, USA, USA), Waldemar Karwowski (1), Warsaw

arxiv:2104.07225 v2 · 2021-04-15 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPJRISWH6KAKSBARMUZVRSPIHK}

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	2026-07-05T03:25:13.388234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd3144ac7f280a90411653358c9e83abf1600edf1d933922d5c5e8e97945314

Aliases

arxiv: 2104.07225 · arxiv_version: 2104.07225v2 · doi: 10.48550/arxiv.2104.07225 · pith_short_12: NPJRISWH6KAK · pith_short_16: NPJRISWH6KAKSBAR · pith_short_8: NPJRISWH

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/NPJRISWH6KAKSBARMUZVRSPIHK \
  | 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: 6bd3144ac7f280a90411653358c9e83abf1600edf1d933922d5c5e8e97945314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99aa379747334d6bb5164575dd0dcbb88c7e0a02fa0644875bcf357db6effafd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-04-15T04:10:08Z",
    "title_canon_sha256": "729c89cb1974afe168eb1b9e348762bbd0faba8393f0d72416f79d606edfd047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07225",
    "kind": "arxiv",
    "version": 2
  }
}