Pith Number

pith:2PK37RS4

pith:2017:2PK37RS4OOVZPKOCT4OGEPTFQG

not attested not anchored not stored refs pending

Spectral-Efficient Analog Precoding for Generalized Spatial Modulation Aided MmWave MIMO

Jian Song, Jintao Wang, Longzhuang He

arxiv:1704.08823 v1 · 2017-04-28 · 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{2PK37RS4OOVZPKOCT4OGEPTFQG}

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	2026-05-18T00:45:25.186847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d5bfc65c73ab97a9c29f1c623e65819eca7d707a38f87a71d0ea96c75cc39b

Aliases

arxiv: 1704.08823 · arxiv_version: 1704.08823v1 · doi: 10.48550/arxiv.1704.08823 · pith_short_12: 2PK37RS4OOVZ · pith_short_16: 2PK37RS4OOVZPKOC · pith_short_8: 2PK37RS4

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/2PK37RS4OOVZPKOCT4OGEPTFQG \
  | 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: d3d5bfc65c73ab97a9c29f1c623e65819eca7d707a38f87a71d0ea96c75cc39b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb60539d61874a2dfa161c63beb4b5e927c2d5e91ca0d6ea01a4d0a9234e694e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-28T07:04:19Z",
    "title_canon_sha256": "795a4bf79361e878adf67f373ee789225e2d849b18f0ef3608dd999450799d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08823",
    "kind": "arxiv",
    "version": 1
  }
}