Pith Number

pith:XPWYSUVR

pith:2011:XPWYSUVRU4HEPYSOJ4UY36OZXR

not attested not anchored not stored refs pending

Maximum Rate of 3- and 4-Real-Symbol ML Decodable Unitary Weight STBCs

B. Sundar Rajan, Teja Damodaram Bavirisetti

arxiv:1104.5117 v2 · 2011-04-27 · 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{XPWYSUVRU4HEPYSOJ4UY36OZXR}

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	2026-05-18T04:22:39.660301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbed8952b1a70e47e24e4f298df9d9bc4b7c6722cfb572a3de07fe4ef0f3dc53

Aliases

arxiv: 1104.5117 · arxiv_version: 1104.5117v2 · doi: 10.48550/arxiv.1104.5117 · pith_short_12: XPWYSUVRU4HE · pith_short_16: XPWYSUVRU4HEPYSO · pith_short_8: XPWYSUVR

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/XPWYSUVRU4HEPYSOJ4UY36OZXR \
  | 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: bbed8952b1a70e47e24e4f298df9d9bc4b7c6722cfb572a3de07fe4ef0f3dc53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "364e778b5a3686820ee907400c9fe78807bbc15aa5362b40aa6a8b7b0bfc2268",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-04-27T11:42:07Z",
    "title_canon_sha256": "0d10f0df6e071e78435ca9a95686668ff962d444739035a197f9dba2ec261d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5117",
    "kind": "arxiv",
    "version": 2
  }
}