Pith Number

pith:GNPQU5BS

pith:2019:GNPQU5BSDIOQSXV2TORLBA2XY7

not attested not anchored not stored refs pending

Non-Orthogonal Multiple Access with Spatial Modulation in Downlink Coordinated Multipoint Transmission

Bhaskara Narottama, Denny Kusuma Hendraningrat, Soo Young Shin

arxiv:1907.08381 v1 · 2019-07-19 · cs.IT · cs.NI · 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{GNPQU5BSDIOQSXV2TORLBA2XY7}

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	2026-05-17T23:40:10.041192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

335f0a74321a1d095eba9ba2b08357c7d2efed2d3e031b3d9bcbfd7f261b9b32

Aliases

arxiv: 1907.08381 · arxiv_version: 1907.08381v1 · doi: 10.48550/arxiv.1907.08381 · pith_short_12: GNPQU5BSDIOQ · pith_short_16: GNPQU5BSDIOQSXV2 · pith_short_8: GNPQU5BS

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/GNPQU5BSDIOQSXV2TORLBA2XY7 \
  | 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: 335f0a74321a1d095eba9ba2b08357c7d2efed2d3e031b3d9bcbfd7f261b9b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f683fbb054a14bc6225d0f3ff61b5fd959aa7f93edaf4693203033cf1b37bdc2",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-19T06:26:23Z",
    "title_canon_sha256": "d7a1ebafe844588d069c6b33fc6be75c9d14d66a06b69e258256b7658ad16c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08381",
    "kind": "arxiv",
    "version": 1
  }
}