Pith Number

pith:WCB7RALD

pith:2008:WCB7RALD3VNIA7QA5YKPWTNISK

not attested not anchored not stored refs pending

A Low-Complexity, Full-Rate, Full-Diversity 2 X 2 STBC with Golden Code's Coding Gain

B. Sundar Rajan, K. Pavan Srinath

arxiv:0806.1819 v1 · 2008-06-11 · 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{WCB7RALD3VNIA7QA5YKPWTNISK}

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	2026-05-18T00:59:11.756907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b083f88163dd5a807e00ee14fb4da892aa2361ef138b9b260241bb95839eb9f1

Aliases

arxiv: 0806.1819 · arxiv_version: 0806.1819v1 · doi: 10.48550/arxiv.0806.1819 · pith_short_12: WCB7RALD3VNI · pith_short_16: WCB7RALD3VNIA7QA · pith_short_8: WCB7RALD

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/WCB7RALD3VNIA7QA5YKPWTNISK \
  | 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: b083f88163dd5a807e00ee14fb4da892aa2361ef138b9b260241bb95839eb9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da4477f32022c187b289bf04fee1ba0eeafe018f12bbf70f79740e1282bc0f6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-06-11T09:25:09Z",
    "title_canon_sha256": "307b840cc6ebce10dcf9f0eef85d3496d50e83d6ea8a5ce0a30c7c26db49edb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1819",
    "kind": "arxiv",
    "version": 1
  }
}