Pith Number

pith:3BHDLZDY

pith:2018:3BHDLZDYTJTN7JH4WYMVSGCO67

not attested not anchored not stored refs pending

MIMO Mutli-Cell Processing: Optimal Precoding and Power Allocation

Samah A. M. Ghanem

arxiv:1809.03937 v1 · 2018-09-11 · 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{3BHDLZDYTJTN7JH4WYMVSGCO67}

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	2026-05-18T00:05:57.719295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84e35e4789a66dfa4fcb61959184ef7d02bdddc94c108cd5f138f4b782989df

Aliases

arxiv: 1809.03937 · arxiv_version: 1809.03937v1 · doi: 10.48550/arxiv.1809.03937 · pith_short_12: 3BHDLZDYTJTN · pith_short_16: 3BHDLZDYTJTN7JH4 · pith_short_8: 3BHDLZDY

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/3BHDLZDYTJTN7JH4WYMVSGCO67 \
  | 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: d84e35e4789a66dfa4fcb61959184ef7d02bdddc94c108cd5f138f4b782989df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c226508f49235e427b95d16265f96ed3dc74e877184edd0b4f05a8d25a0f4961",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-11T14:44:21Z",
    "title_canon_sha256": "3e169264d5cbf41cf68351bc7b02fbf9bb8deb919699fbef6b0104ca58b1d1a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03937",
    "kind": "arxiv",
    "version": 1
  }
}