Pith Number

pith:FL3B2JSP

pith:2012:FL3B2JSPFLDAXTW4R7BJQZ6YGI

not attested not anchored not stored refs pending

A New Low-Complexity Decodable Rate-1 Full-Diversity 4 x 4 STBC with Nonvanishing Determinants

Amr Ismail, Hikmet Sari, Jocelyn Fiorina

arxiv:1204.3379 v1 · 2012-04-16 · 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{FL3B2JSPFLDAXTW4R7BJQZ6YGI}

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	2026-05-18T00:58:18.313801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af61d264f2ac60bcedc8fc29867d8323c6f4a18abef42adae933eb942afcd6a

Aliases

arxiv: 1204.3379 · arxiv_version: 1204.3379v1 · doi: 10.48550/arxiv.1204.3379 · pith_short_12: FL3B2JSPFLDA · pith_short_16: FL3B2JSPFLDAXTW4 · pith_short_8: FL3B2JSP

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/FL3B2JSPFLDAXTW4R7BJQZ6YGI \
  | 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: 2af61d264f2ac60bcedc8fc29867d8323c6f4a18abef42adae933eb942afcd6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717fa306cfab1528708b9adb55a7b6cceee4d1743f8d9faf9e9b5a912270d981",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-16T07:27:13Z",
    "title_canon_sha256": "a45d19b114e0863c7a89e58fc57436deec67b90c01fa982be0fe112b1e9f095e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3379",
    "kind": "arxiv",
    "version": 1
  }
}