Pith Number

pith:VONOJ2ND

pith:2020:VONOJ2NDF4KGLKZOUAPPD3MYFT

not attested not anchored not stored refs pending

Atom Search Optimization with Simulated Annealing -- a Hybrid Metaheuristic Approach for Feature Selection

Kushal Kanti Ghosh, Ram Sarkar, Ritam Guha, Soulib Ghosh, Suman Kumar Bera

arxiv:2005.08642 v1 · 2020-05-10 · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VONOJ2NDF4KGLKZOUAPPD3MYFT}

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	2026-07-05T01:03:34.068422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab9ae4e9a32f1465ab2ea01ef1ed982cebe2cb2f842151095e9215968f2814fa

Aliases

arxiv: 2005.08642 · arxiv_version: 2005.08642v1 · doi: 10.48550/arxiv.2005.08642 · pith_short_12: VONOJ2NDF4KG · pith_short_16: VONOJ2NDF4KGLKZO · pith_short_8: VONOJ2ND

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/VONOJ2NDF4KGLKZOUAPPD3MYFT \
  | 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: ab9ae4e9a32f1465ab2ea01ef1ed982cebe2cb2f842151095e9215968f2814fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fd15e6487dcf46ae7041c7f9335a80c710234458f86e9366b61ee0855f4bf5",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-10T07:56:58Z",
    "title_canon_sha256": "545ebf528cf8b5fd3c971cc6ff2ea65c33b81a522980a6137f1beaa68f78d67c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.08642",
    "kind": "arxiv",
    "version": 1
  }
}