Pith Number

pith:7SOR7XTG

pith:2015:7SOR7XTGE6J62PLCSO7JAS65HC

not attested not anchored not stored refs pending

Spectrum Monitoring Using Energy Ratio Algorithm For OFDM-Based Cognitive Radio Networks

Abdelmohsen Ali, Walaa Hamouda

arxiv:1506.06213 v1 · 2015-06-20 · cs.IT · cs.NI · 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{7SOR7XTGE6J62PLCSO7JAS65HC}

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	2026-05-18T01:41:45.829664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc9d1fde662793ed3d6293be904bdd3899a9d7931d9ccfd36ceaa1d26402152c

Aliases

arxiv: 1506.06213 · arxiv_version: 1506.06213v1 · doi: 10.48550/arxiv.1506.06213 · pith_short_12: 7SOR7XTGE6J6 · pith_short_16: 7SOR7XTGE6J62PLC · pith_short_8: 7SOR7XTG

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/7SOR7XTGE6J62PLCSO7JAS65HC \
  | 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: fc9d1fde662793ed3d6293be904bdd3899a9d7931d9ccfd36ceaa1d26402152c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "435022a9361d61cff75b328270d5d52a0bed108a11b90b78dd59d3f94389fdaa",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-20T09:07:11Z",
    "title_canon_sha256": "90efd893f7c69323db54a7750b68559e5eaa8e27eeb11396b6fcf95b8e0ca3b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06213",
    "kind": "arxiv",
    "version": 1
  }
}