Pith Number

pith:NDVZF4NY

pith:2015:NDVZF4NYDEGJOUIM4YHJIMU3ZE

not attested not anchored not stored refs pending

Dynamic Spectrum Sensing Through Accelerated Particle Swarm Optimization

Alexandros E. Paschos, George K. Karagiannidis, Georgia D. Ntouni, Leontios J. Hadjileontiadis, Vasileios M. Kapinas

arxiv:1510.03840 v6 · 2015-09-19 · math.OC · cs.IT · math.IT · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDVZF4NYDEGJOUIM4YHJIMU3ZE}

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	2026-05-18T00:21:37.991013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68eb92f1b8190c97510ce60e94329bc92660e59679248f0920a5f18e885db9ec

Aliases

arxiv: 1510.03840 · arxiv_version: 1510.03840v6 · doi: 10.48550/arxiv.1510.03840 · pith_short_12: NDVZF4NYDEGJ · pith_short_16: NDVZF4NYDEGJOUIM · pith_short_8: NDVZF4NY

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/NDVZF4NYDEGJOUIM4YHJIMU3ZE \
  | 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: 68eb92f1b8190c97510ce60e94329bc92660e59679248f0920a5f18e885db9ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a13677ad5357dee14e5768041d57c876c643ea1ecb8d42d986dbf7feffc5117",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-09-19T21:17:36Z",
    "title_canon_sha256": "ac14b6663e3cf5fdef038a9b8ed2a4370fe85bde5cbe4e0868dc0e09b2b521e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03840",
    "kind": "arxiv",
    "version": 6
  }
}