pith. sign in
Pith Number

pith:TAO6UD5R

pith:2015:TAO6UD5R37FIGGQPD2YMXGK3EK
not attested not anchored not stored refs pending

Full-Duplex Cognitive Radio: A New Design Paradigm for Enhancing Spectrum Usage

Lingyang Song, Yonghui Li, Yun Liao, Zhu Han

arxiv:1503.03954 v1 · 2015-03-13 · cs.NI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TAO6UD5R37FIGGQPD2YMXGK3EK}

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 2026-05-18T02:23:57.614043Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

981dea0fb1dfca831a0f1eb0cb995b22a4221467d9c85bec3894cc7c8fc52fdd

Aliases

arxiv: 1503.03954 · arxiv_version: 1503.03954v1 · doi: 10.48550/arxiv.1503.03954 · pith_short_12: TAO6UD5R37FI · pith_short_16: TAO6UD5R37FIGGQP · pith_short_8: TAO6UD5R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TAO6UD5R37FIGGQPD2YMXGK3EK \
  | 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: 981dea0fb1dfca831a0f1eb0cb995b22a4221467d9c85bec3894cc7c8fc52fdd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0c2f3df2bfd0be86d0d43f37daf2b9dd55045582d294f5942b66eb75fc371161",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-03-13T05:07:39Z",
    "title_canon_sha256": "306cca134a3fbc46edcbcc8d5ad22e8820bb7691584e2bea1191ac298b0e18ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03954",
    "kind": "arxiv",
    "version": 1
  }
}