Pith Number

pith:BPO4ANZ6

pith:2015:BPO4ANZ6WFISG4OG62OS347ONL

not attested not anchored not stored refs pending

Hard Decision Cooperative Spectrum Sensing Based on Estimating the Noise Uncertainty Factor

Ehab Mahmoud Mohamed, Hossam M. Farag

arxiv:1510.03938 v1 · 2015-10-14 · 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{BPO4ANZ6WFISG4OG62OS347ONL}

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	2026-05-18T01:30:09.729960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bddc0373eb1512371c6f69d2df3ee6ae231cb93da2eed7312a3d541716e75d6

Aliases

arxiv: 1510.03938 · arxiv_version: 1510.03938v1 · doi: 10.48550/arxiv.1510.03938 · pith_short_12: BPO4ANZ6WFIS · pith_short_16: BPO4ANZ6WFISG4OG · pith_short_8: BPO4ANZ6

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/BPO4ANZ6WFISG4OG62OS347ONL \
  | 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: 0bddc0373eb1512371c6f69d2df3ee6ae231cb93da2eed7312a3d541716e75d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9088ba5f08bd21ebfa13894335f1bd5c94498a18b61dce160a7321da16f0ac5b",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-10-14T00:41:41Z",
    "title_canon_sha256": "fd041f19543d2d92b485bcbc66356d4043f736f07d8f59395db5e950d8cbbc9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03938",
    "kind": "arxiv",
    "version": 1
  }
}