Pith Number

pith:6QDY2XLF

pith:2018:6QDY2XLFK7FP4W2C2IAJWZNVT7

not attested not anchored not stored refs pending

Noise Cancellation in Cognitive Radio Systems: A Performance Comparison of Evolutionary Algorithms

Adnan Quadri, Mohsen Riahi Manesh, Naima Kaabouch

arxiv:1801.09725 v1 · 2018-01-29 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QDY2XLFK7FP4W2C2IAJWZNVT7}

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	2026-05-18T00:24:54.029989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4078d5d6557cafe5b42d2009b65b59fd763aacd167ae1dc80f8510d90dd3ec2

Aliases

arxiv: 1801.09725 · arxiv_version: 1801.09725v1 · doi: 10.48550/arxiv.1801.09725 · pith_short_12: 6QDY2XLFK7FP · pith_short_16: 6QDY2XLFK7FP4W2C · pith_short_8: 6QDY2XLF

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/6QDY2XLFK7FP4W2C2IAJWZNVT7 \
  | 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: f4078d5d6557cafe5b42d2009b65b59fd763aacd167ae1dc80f8510d90dd3ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98bd6e454e9f5f5ad53e880d04098fc084c36736bc65898a22a403fac61cdc7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-29T19:38:19Z",
    "title_canon_sha256": "4b198badeb9daf3e64042382cabb47a2a13d8931d4ffbbe4565dfd11993e3fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09725",
    "kind": "arxiv",
    "version": 1
  }
}