Pith Number

pith:SW7EA2JS

pith:2011:SW7EA2JSIZ6LYGOLX3NR6WTF6L

not attested not anchored not stored refs pending

Cooperative Wideband Spectrum Sensing for the Centralized Cognitive Radio Network

Peng Zhang, Robert Qiu

arxiv:1102.3755 v1 · 2011-02-18 · 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{SW7EA2JSIZ6LYGOLX3NR6WTF6L}

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	2026-05-18T04:28:21.046981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95be406932467cbc19cbbedb1f5a65f2e0eb41ad34a60b4b4d508692e61bf799

Aliases

arxiv: 1102.3755 · arxiv_version: 1102.3755v1 · doi: 10.48550/arxiv.1102.3755 · pith_short_12: SW7EA2JSIZ6L · pith_short_16: SW7EA2JSIZ6LYGOL · pith_short_8: SW7EA2JS

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/SW7EA2JSIZ6LYGOLX3NR6WTF6L \
  | 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: 95be406932467cbc19cbbedb1f5a65f2e0eb41ad34a60b4b4d508692e61bf799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc53bf2a3b4180de206a531ee45bcb374e34c093c04cf1dd3dbd74edc05826ed",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-18T05:29:23Z",
    "title_canon_sha256": "7d0cbef25ba5e2186362e45932e6174acabd537eeb4453be29d6aba9253175a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3755",
    "kind": "arxiv",
    "version": 1
  }
}