Pith Number

pith:PIVUIFAE

pith:2019:PIVUIFAEW454IKRSU2SSLZLYJM

not attested not anchored not stored refs pending

A New Codebook Design for Analog Beamforming in Millimeter-wave Communication

Hongbing Cheng, Kee-Bong Song, Mehdi Ganji, Qi Zhan

arxiv:1902.00838 v2 · 2019-02-03 · 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{PIVUIFAEW454IKRSU2SSLZLYJM}

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	2026-07-05T00:39:30.840011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a2b441404b73bc42a32a6a525e5784b2499a94dfaa514e93496b22ce84f6bc2

Aliases

arxiv: 1902.00838 · arxiv_version: 1902.00838v2 · doi: 10.48550/arxiv.1902.00838 · pith_short_12: PIVUIFAEW454 · pith_short_16: PIVUIFAEW454IKRS · pith_short_8: PIVUIFAE

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/PIVUIFAEW454IKRSU2SSLZLYJM \
  | 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: 7a2b441404b73bc42a32a6a525e5784b2499a94dfaa514e93496b22ce84f6bc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb65b603d360395e643222b66c0aae36cd8eccfeddcc657302c3ba3ecc1fe143",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-03T03:43:03Z",
    "title_canon_sha256": "bba54e58092fdbdc06c1fab4e6c240484b2adb19440df9b8e58cf0c978bfe45c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00838",
    "kind": "arxiv",
    "version": 2
  }
}