Pith Number

pith:TPTCZYQ3

pith:2013:TPTCZYQ3LTEEPENTTZVJ7WN2OZ

not attested not anchored not stored refs pending

Band Allocation for Cognitive Radios with Buffered Primary and Secondary Users

Ahmed El Shafie, Ahmed Sultan, Tamer Khattab

arxiv:1401.0214 v1 · 2013-12-31 · cs.NI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPTCZYQ3LTEEPENTTZVJ7WN2OZ}

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	2026-05-18T03:03:23.750111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9be62ce21b5cc84791b39e6a9fd9ba7645240930508e42824e5422b51bdfb4ba

Aliases

arxiv: 1401.0214 · arxiv_version: 1401.0214v1 · doi: 10.48550/arxiv.1401.0214 · pith_short_12: TPTCZYQ3LTEE · pith_short_16: TPTCZYQ3LTEEPENT · pith_short_8: TPTCZYQ3

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/TPTCZYQ3LTEEPENTTZVJ7WN2OZ \
  | 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: 9be62ce21b5cc84791b39e6a9fd9ba7645240930508e42824e5422b51bdfb4ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19450894d946f55f346c9020a1201b906b0a44cd07efcb5ff40c1cb354aac3fe",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2013-12-31T20:40:09Z",
    "title_canon_sha256": "6728eea7532c22e3588755185c75398a65c07df236de73ee96a0d4369911fee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0214",
    "kind": "arxiv",
    "version": 1
  }
}