Pith Number

pith:VLWWZC7J

pith:2013:VLWWZC7J4SOJSU7RF5IR3B6U64

not attested not anchored not stored refs pending

On Design of Opportunistic Spectrum Access in the Presence of Reactive Primary Users

Rui Zhang, Yi Gong, Yue Ling Che

arxiv:1304.6822 v1 · 2013-04-25 · 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{VLWWZC7J4SOJSU7RF5IR3B6U64}

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	2026-05-18T03:27:11.019728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaed6c8be9e49c9953f12f511d87d4f710ee81bbe9f2542462dc572217c2cf47

Aliases

arxiv: 1304.6822 · arxiv_version: 1304.6822v1 · doi: 10.48550/arxiv.1304.6822 · pith_short_12: VLWWZC7J4SOJ · pith_short_16: VLWWZC7J4SOJSU7R · pith_short_8: VLWWZC7J

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/VLWWZC7J4SOJSU7RF5IR3B6U64 \
  | 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: aaed6c8be9e49c9953f12f511d87d4f710ee81bbe9f2542462dc572217c2cf47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6650b115f54d2966bc1794708de6b0ac49269ba42c3c7f71a13bf7000e6b05",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-25T07:44:08Z",
    "title_canon_sha256": "3b1157079a144bcb022ca39be296774702d073689d5f6f72ef2b3d95175aa7fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6822",
    "kind": "arxiv",
    "version": 1
  }
}