Pith Number

pith:U4EKWEBI

pith:2018:U4EKWEBIY6KM75OFCODQPLJ27G

not attested not anchored not stored refs pending

A Two-Dimensional (2-D) Learning Framework for Particle Swarm based Feature Selection

Akshya Swain, Chirag Naik, Faizal Hafiz, Nitish Patel

arxiv:1808.01150 v1 · 2018-08-03 · cs.NE · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4EKWEBIY6KM75OFCODQPLJ27G}

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	2026-05-18T00:08:58.859202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a708ab1028c794cff5c5138707ad3af9a8b86bd07a24282588b615cd00d5f0f7

Aliases

arxiv: 1808.01150 · arxiv_version: 1808.01150v1 · doi: 10.48550/arxiv.1808.01150 · pith_short_12: U4EKWEBIY6KM · pith_short_16: U4EKWEBIY6KM75OF · pith_short_8: U4EKWEBI

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/U4EKWEBIY6KM75OFCODQPLJ27G \
  | 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: a708ab1028c794cff5c5138707ad3af9a8b86bd07a24282588b615cd00d5f0f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87abb4036adabcb5e9188826afd0eb88b820c12ad94763123d30089dc0f805f8",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-08-03T10:50:43Z",
    "title_canon_sha256": "fe895d6440612a750714c7319db6c35367bc473d9d5a7548c9d0a621727087c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01150",
    "kind": "arxiv",
    "version": 1
  }
}