Pith Number

pith:2QS2HH7S

pith:2011:2QS2HH7SOYZCRHAUQBLB64DKK3

not attested not anchored not stored refs pending

Cooperative Spectrum Sensing for Amplify-and-Forward Cognitive Networks

Gareth W. Peters, Iain Collings, Ido Nevat, Jinhong Yuan

arxiv:1104.2355 v4 · 2011-04-13 · 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{2QS2HH7SOYZCRHAUQBLB64DKK3}

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	2026-05-18T04:09:53.621847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d425a39ff27632289c1480561f706a56e8700747d60b4e67fa3a9b1827a50d37

Aliases

arxiv: 1104.2355 · arxiv_version: 1104.2355v4 · doi: 10.48550/arxiv.1104.2355 · pith_short_12: 2QS2HH7SOYZC · pith_short_16: 2QS2HH7SOYZCRHAU · pith_short_8: 2QS2HH7S

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/2QS2HH7SOYZCRHAUQBLB64DKK3 \
  | 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: d425a39ff27632289c1480561f706a56e8700747d60b4e67fa3a9b1827a50d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d73e688a6078e4702172770c29cfd0280d2d74ccb2674b342b1165f6e0ba4b0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-04-13T00:46:35Z",
    "title_canon_sha256": "8f2397045159273a8621c3882426b3429962cd4db3827c2afb90d4abd785baa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2355",
    "kind": "arxiv",
    "version": 4
  }
}