Pith Number

pith:JF4Z73NC

pith:2014:JF4Z73NC7JV6HGUCTZGDWJWU2S

not attested not anchored not stored refs pending

The Optimal Input Distribution for Partial Decode-and-Forward in the MIMO Relay Channel

Christoph Hellings, Lennart Gerdes, Lorenz Weiland, Wolfgang Utschick

arxiv:1409.8624 v1 · 2014-09-30 · 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{JF4Z73NC7JV6HGUCTZGDWJWU2S}

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	2026-05-18T02:41:24.072228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49799feda2fa6be39a829e4c3b26d4d4ad0a37cbce8beca9f469352907134e0e

Aliases

arxiv: 1409.8624 · arxiv_version: 1409.8624v1 · doi: 10.48550/arxiv.1409.8624 · pith_short_12: JF4Z73NC7JV6 · pith_short_16: JF4Z73NC7JV6HGUC · pith_short_8: JF4Z73NC

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/JF4Z73NC7JV6HGUCTZGDWJWU2S \
  | 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: 49799feda2fa6be39a829e4c3b26d4d4ad0a37cbce8beca9f469352907134e0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c883a50e2551a094356712eb3f3b312b600f260d4d1e2ca7bace038f240b9ce9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-30T16:46:16Z",
    "title_canon_sha256": "0579935dd6bfcec03394e484f46d831758ca3695e603a6cdc9ec9d75da52cdfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8624",
    "kind": "arxiv",
    "version": 1
  }
}