Pith Number

pith:QIK5DVG2

pith:2012:QIK5DVG2GPBAOBYGVWQEZ5KCCU

not attested not anchored not stored refs pending

Design of Spectrum Sensing Policy for Multi-user Multi-band Cognitive Radio Network

Jan Oksanen, Jarmo Lund\'en, Visa Koivunen

arxiv:1209.1739 v1 · 2012-09-08 · cs.LG · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIK5DVG2GPBAOBYGVWQEZ5KCCU}

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	2026-05-18T03:45:54.482387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8215d1d4da33c2070706ada04cf5421516115cfed50193b224e2a64c91ffd37b

Aliases

arxiv: 1209.1739 · arxiv_version: 1209.1739v1 · doi: 10.48550/arxiv.1209.1739 · pith_short_12: QIK5DVG2GPBA · pith_short_16: QIK5DVG2GPBAOBYG · pith_short_8: QIK5DVG2

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/QIK5DVG2GPBAOBYGVWQEZ5KCCU \
  | 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: 8215d1d4da33c2070706ada04cf5421516115cfed50193b224e2a64c91ffd37b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10ffab3026a735435a4165c01198a63d8b2f8d1be7cd5a37a451fd9870b9ddb9",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-09-08T18:34:01Z",
    "title_canon_sha256": "95c4a635ec20742126844fc42a1df279fe39677570c265915a14c1081888d522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1739",
    "kind": "arxiv",
    "version": 1
  }
}