Pith Number

pith:4LPWZRUJ

pith:2019:4LPWZRUJ5PHOUARIEQEFUKMQOD

not attested not anchored not stored refs pending

Particle Swarm Optimization Approaches for Primary User Emulation Attack Detection and Localization in Cognitive Radio Networks

Moawad I. Dessouky, Mona Shokair, Reem E.Mohamed, Walid R. Ghanem

arxiv:1902.01944 v1 · 2019-01-22 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LPWZRUJ5PHOUARIEQEFUKMQOD}

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	2026-05-17T23:54:38.258232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2df6cc689ebceea022824085a299070fcaaf1ca25aea8c8d57cf4eb3510d43b

Aliases

arxiv: 1902.01944 · arxiv_version: 1902.01944v1 · doi: 10.48550/arxiv.1902.01944 · pith_short_12: 4LPWZRUJ5PHO · pith_short_16: 4LPWZRUJ5PHOUARI · pith_short_8: 4LPWZRUJ

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/4LPWZRUJ5PHOUARIEQEFUKMQOD \
  | 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: e2df6cc689ebceea022824085a299070fcaaf1ca25aea8c8d57cf4eb3510d43b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23022b67135f8a46035b8759a6697c644e8b3eec0379a5e501dd761a1be17f7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-01-22T13:23:19Z",
    "title_canon_sha256": "82e86316b9dbec426a5de9acb5a41e4806aa8a87bc3e51639ec24b0ee91d321d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01944",
    "kind": "arxiv",
    "version": 1
  }
}