Pith Number

pith:CCKASLMW

pith:2021:CCKASLMWJQ7YYTCDFQ67YFY5EX

not attested not anchored not stored refs pending

PPFS: Predictive Permutation Feature Selection

Atif Hassan, Jiaul H. Paik, Swanand Khare, Syed Asif Hassan

arxiv:2110.10713 v1 · 2021-10-20 · 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{CCKASLMWJQ7YYTCDFQ67YFY5EX}

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	2026-07-05T09:18:17.473480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1094092d964c3f8c4c432c3dfc171d25c77853fec4d6da33e8c7ac367bc0bc0f

Aliases

arxiv: 2110.10713 · arxiv_version: 2110.10713v1 · doi: 10.48550/arxiv.2110.10713 · pith_short_12: CCKASLMWJQ7Y · pith_short_16: CCKASLMWJQ7YYTCD · pith_short_8: CCKASLMW

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/CCKASLMWJQ7YYTCDFQ67YFY5EX \
  | 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: 1094092d964c3f8c4c432c3dfc171d25c77853fec4d6da33e8c7ac367bc0bc0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d6e70e5ae0606e3f714a790f40eb5f6874bc11dd470d99cf98c1cf7e3073694",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-20T18:18:18Z",
    "title_canon_sha256": "58c04a236a4917f50d5f7a4ce0b234c3606a7573fc01da2c7ec74f2daa0e13bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10713",
    "kind": "arxiv",
    "version": 1
  }
}