Pith Number

pith:QM4C7XGA

pith:2019:QM4C7XGAVGT5PDMFOLPEVZGYMX

not attested not anchored not stored refs pending

A Study and Analysis of a Feature Subset Selection Technique using Penguin Search Optimization Algorithm (FS-PeSOA)

Agnip Dasgupta, Aniket Ghosh Dastidar, Antara Barman, Ardhendu Banerjee, Sanjay Chakraborty

arxiv:1907.05943 v1 · 2019-07-13 · cs.LG · 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{QM4C7XGAVGT5PDMFOLPEVZGYMX}

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	2026-05-17T23:40:42.935517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83382fdcc0a9a7d78d8572de4ae4d865c5f27ff3b3b8c8e6c4c3fbc2731c6898

Aliases

arxiv: 1907.05943 · arxiv_version: 1907.05943v1 · doi: 10.48550/arxiv.1907.05943 · pith_short_12: QM4C7XGAVGT5 · pith_short_16: QM4C7XGAVGT5PDMF · pith_short_8: QM4C7XGA

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/QM4C7XGAVGT5PDMFOLPEVZGYMX \
  | 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: 83382fdcc0a9a7d78d8572de4ae4d865c5f27ff3b3b8c8e6c4c3fbc2731c6898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8bd6cc36e5e59c6f243062be69162b23218fc9399650ba19674629d387816a2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-13T05:27:57Z",
    "title_canon_sha256": "03d3ef07d3784eebc0380b97e2e6d1640a079713b2d14ea592b39419f4ccf974"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05943",
    "kind": "arxiv",
    "version": 1
  }
}