Pith Number

pith:YQNVAS2S

pith:2010:YQNVAS2SVC4KGZLJKZRDLOWCEL

not attested not anchored not stored refs pending

Optimal and Robust Transmit Designs for MISO Channel Secrecy by Semidefinite Programming

Qiang Li, Wing-Kin Ma

arxiv:1012.3875 v2 · 2010-12-17 · 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{YQNVAS2SVC4KGZLJKZRDLOWCEL}

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	2026-05-18T02:04:23.105910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c41b504b52a8b8a36569566235bac222e32b94c2cbda2a13af38e841692a8730

Aliases

arxiv: 1012.3875 · arxiv_version: 1012.3875v2 · doi: 10.48550/arxiv.1012.3875 · pith_short_12: YQNVAS2SVC4K · pith_short_16: YQNVAS2SVC4KGZLJ · pith_short_8: YQNVAS2S

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/YQNVAS2SVC4KGZLJKZRDLOWCEL \
  | 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: c41b504b52a8b8a36569566235bac222e32b94c2cbda2a13af38e841692a8730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa9ee106c4c815e634d69b08f96eb43480fb9c0408665971d36e95c0c4f5c50f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-12-17T13:13:40Z",
    "title_canon_sha256": "ed12e7d0714fc745e470330b3e825c23a9bcf9ba76883322ca3ab5ec72871654"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3875",
    "kind": "arxiv",
    "version": 2
  }
}