Pith Number

pith:F5PKH5PR

pith:2014:F5PKH5PRRJFIJDKIY7SPVCX2QY

not attested not anchored not stored refs pending

A Probabilistic MAC for Cognitive Radio Systems with Energy Harvesting Nodes

Amr El-Keyi, Fadel F. Digham, Karim G. Seddik, Mohammed Nafie, Ramy E. Ali, Zhu Han

arxiv:1408.2779 v3 · 2014-08-01 · cs.NI · 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{F5PKH5PRRJFIJDKIY7SPVCX2QY}

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	2026-05-18T00:59:02.795984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5ea3f5f18a4a848d48c7e4fa8afa861c4af39bb40fe949b78cdea2c2012235

Aliases

arxiv: 1408.2779 · arxiv_version: 1408.2779v3 · doi: 10.48550/arxiv.1408.2779 · pith_short_12: F5PKH5PRRJFI · pith_short_16: F5PKH5PRRJFIJDKI · pith_short_8: F5PKH5PR

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/F5PKH5PRRJFIJDKIY7SPVCX2QY \
  | 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: 2f5ea3f5f18a4a848d48c7e4fa8afa861c4af39bb40fe949b78cdea2c2012235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eb0a0c7891ac9acbdbb4f7556b989d1eb8c8aa6e2ca14c6266630deaafce809",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2014-08-01T23:51:07Z",
    "title_canon_sha256": "bb3472cf5ef94090d14016cd60bda382ff0717d5e0a9a92dd6d7ff2e8d3c4dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2779",
    "kind": "arxiv",
    "version": 3
  }
}