pith. sign in
Pith Number

pith:GJQ65XAH

pith:2019:GJQ65XAHNNGKV5ZTVUWEQG3JCP
not attested not anchored not stored refs pending

Toward Spectral and Energy Efficient 5G Networks Using Relayed OFDM with Index Modulation

Basem Shihada, Mohamed-Slim Alouini, Shuping Dang

arxiv:1904.04530 v1 · 2019-04-09 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GJQ65XAHNNGKV5ZTVUWEQG3JCP}

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 2026-05-17T23:48:58.830868Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3261eedc076b4caaf733ad2c481b6913f4e19b7c42163a1335422e46cd8e9bcf

Aliases

arxiv: 1904.04530 · arxiv_version: 1904.04530v1 · doi: 10.48550/arxiv.1904.04530 · pith_short_12: GJQ65XAHNNGK · pith_short_16: GJQ65XAHNNGKV5ZT · pith_short_8: GJQ65XAH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GJQ65XAHNNGKV5ZTVUWEQG3JCP \
  | 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: 3261eedc076b4caaf733ad2c481b6913f4e19b7c42163a1335422e46cd8e9bcf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5cb833b449dcfb296c157ccde61b787e015abc5797fb37d984de7671af7c0e4c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-09T08:42:54Z",
    "title_canon_sha256": "5f344b3a5e09994bafaaf4293456db35ea61a2b5729f2ab5c81bcdcafa26ac24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04530",
    "kind": "arxiv",
    "version": 1
  }
}