Pith Number

pith:UWJD5KNY

pith:2013:UWJD5KNYE22MRTWQ4PSKF3N7SA

not attested not anchored not stored refs pending

Max-Min SNR Signal Energy based Spectrum Sensing Algorithms for Cognitive Radio Networks with Noise Variance Uncertainty

Luc Vandendorpe, Tadilo Endeshaw Bogale

arxiv:1311.6388 v2 · 2013-11-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWJD5KNYE22MRTWQ4PSKF3N7SA}

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	2026-05-18T03:03:43.864204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5923ea9b826b4c8ced0e3e4a2edbf90230ec4bae2a9d761f78ec74b25dbd9c9

Aliases

arxiv: 1311.6388 · arxiv_version: 1311.6388v2 · doi: 10.48550/arxiv.1311.6388 · pith_short_12: UWJD5KNYE22M · pith_short_16: UWJD5KNYE22MRTWQ · pith_short_8: UWJD5KNY

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/UWJD5KNYE22MRTWQ4PSKF3N7SA \
  | 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: a5923ea9b826b4c8ced0e3e4a2edbf90230ec4bae2a9d761f78ec74b25dbd9c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ad2c04598d5f0cadd9499b5aff37dfea9502344752b85b1513ca1ad27ec5496",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-11-25T18:11:39Z",
    "title_canon_sha256": "9849c3f61e23c07553d661feeccfcad604af8658256fc32a0397295ea744dcf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6388",
    "kind": "arxiv",
    "version": 2
  }
}