Pith Number

pith:SFKBWYT3

pith:2015:SFKBWYT3CQKHAQKEGSMHNLNYZP

not attested not anchored not stored refs pending

Entropy and Channel Capacity under Optimum Power and Rate Adaptation over Generalized Fading Conditions

George K. Karagiannidis, Mikko Valkama, Mounir Ghogho, Paschalis C. Sofotasios, Sami Muhaidat

arxiv:1507.08111 v2 · 2015-07-29 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFKBWYT3CQKHAQKEGSMHNLNYZP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:53:51.258006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91541b627b1414704144349876adb8cbc99520f8ca883950005fdc0e13fc39e9

Aliases

arxiv: 1507.08111 · arxiv_version: 1507.08111v2 · doi: 10.48550/arxiv.1507.08111 · pith_short_12: SFKBWYT3CQKH · pith_short_16: SFKBWYT3CQKHAQKE · pith_short_8: SFKBWYT3

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/SFKBWYT3CQKHAQKEGSMHNLNYZP \
  | 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: 91541b627b1414704144349876adb8cbc99520f8ca883950005fdc0e13fc39e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b98071f111d842c40e4c4223570d2d90c2e6f2cc2f95e9302ad985b7b9107b1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-29T12:08:58Z",
    "title_canon_sha256": "03e3aab5e4e03053fbc45f4d3a8c5795481d7ab1143ea738a7253b1c675b1b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08111",
    "kind": "arxiv",
    "version": 2
  }
}