pith. sign in
Pith Number

pith:NA6WDJO4

pith:2013:NA6WDJO42BQALTJK6XHMD5SAWR
not attested not anchored not stored refs pending

Variable-Length Channel Quantizers for Maximum Diversity and Array Gains

Erdem Koyuncu, Hamid Jafarkhani

arxiv:1301.6398 v1 · 2013-01-27 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NA6WDJO42BQALTJK6XHMD5SAWR}

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 2026-05-18T03:35:15.508685Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

683d61a5dcd06005cd2af5cec1f640b442318bce76bc05253b3072f80e59d65b

Aliases

arxiv: 1301.6398 · arxiv_version: 1301.6398v1 · doi: 10.48550/arxiv.1301.6398 · pith_short_12: NA6WDJO42BQA · pith_short_16: NA6WDJO42BQALTJK · pith_short_8: NA6WDJO4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NA6WDJO42BQALTJK6XHMD5SAWR \
  | 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: 683d61a5dcd06005cd2af5cec1f640b442318bce76bc05253b3072f80e59d65b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7afc511bd468d317c045885a15474e0ccdf675b1b84d9cde19a649e7e64f0005",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-27T20:42:28Z",
    "title_canon_sha256": "9222aac58fc463556ff98611a43ee5a16a2f247def529d5ce39bd64b1f512409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6398",
    "kind": "arxiv",
    "version": 1
  }
}