Pith Number

pith:KG7DUDXM

pith:2011:KG7DUDXMGGBAAKXIIKT3WSNVXP

not attested not anchored not stored refs pending

On the Sphere Decoding Complexity of STBCs for Asymmetric MIMO Systems

B. Sundar Rajan, K. Pavan Srinath, Lakshmi Prasad Natarajan

arxiv:1104.0640 v2 · 2011-04-04 · 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{KG7DUDXMGGBAAKXIIKT3WSNVXP}

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	2026-05-18T04:14:07.698528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51be3a0eec3182002ae842a7bb49b5bbe9bfa0f652597cf05934e22751e0e219

Aliases

arxiv: 1104.0640 · arxiv_version: 1104.0640v2 · doi: 10.48550/arxiv.1104.0640 · pith_short_12: KG7DUDXMGGBA · pith_short_16: KG7DUDXMGGBAAKXI · pith_short_8: KG7DUDXM

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/KG7DUDXMGGBAAKXIIKT3WSNVXP \
  | 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: 51be3a0eec3182002ae842a7bb49b5bbe9bfa0f652597cf05934e22751e0e219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c81ff8b3c177f2e840fd0d869917f4ba6c3fe1b0aefa1b600ee1f3687202c8e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-04-04T17:57:08Z",
    "title_canon_sha256": "d37b1d7e7ec504c766e29ef11cdcb87a3f7ed69927f2df9178092cbe6d3d2d35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0640",
    "kind": "arxiv",
    "version": 2
  }
}