Pith Number

pith:3F3YQBLH

pith:2009:3F3YQBLHDFXYLEEDOBFEYZ3DBP

not attested not anchored not stored refs pending

Interference and Deployment Issues for Cognitive Radio Systems in Shadowing Environments

Mansoor Shafi, Muhammad Fainan Hanif, Pawel A. Dmochowski, Peter J. Smith

arxiv:0905.3023 v2 · 2009-05-19 · 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{3F3YQBLHDFXYLEEDOBFEYZ3DBP}

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	2026-05-18T00:58:20.165308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d977880567196f859083704a4c67630bd79b6586bb17decdb2bca9e9e850349e

Aliases

arxiv: 0905.3023 · arxiv_version: 0905.3023v2 · doi: 10.48550/arxiv.0905.3023 · pith_short_12: 3F3YQBLHDFXY · pith_short_16: 3F3YQBLHDFXYLEED · pith_short_8: 3F3YQBLH

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/3F3YQBLHDFXYLEEDOBFEYZ3DBP \
  | 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: d977880567196f859083704a4c67630bd79b6586bb17decdb2bca9e9e850349e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c5b3a891c242c17782dcf070340d9219702df9ffa2e8308c2a64f5f3d911008",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-05-19T05:55:44Z",
    "title_canon_sha256": "905056de1972731caade08cd08a8c40a823b75dd15bc02de3e89eb4190077905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3023",
    "kind": "arxiv",
    "version": 2
  }
}