Pith Number

pith:3SLJS4B4

pith:2010:3SLJS4B4GW4D2VPAX6O3SF2JXN

not attested not anchored not stored refs pending

Group-Decodable Space-Time Block Codes with Code Rate > 1

Chau Yuen, Erry Gunawan, Er Yang Zhang, Tian Peng Ren, Yong Liang Guan

arxiv:1011.3272 v2 · 2010-11-15 · 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{3SLJS4B4GW4D2VPAX6O3SF2JXN}

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	2026-05-18T00:57:57.568227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc9699703c35b83d55e0bf9db91749bb4125f7f2485b1c821d30424b8d9ab9c3

Aliases

arxiv: 1011.3272 · arxiv_version: 1011.3272v2 · doi: 10.48550/arxiv.1011.3272 · pith_short_12: 3SLJS4B4GW4D · pith_short_16: 3SLJS4B4GW4D2VPA · pith_short_8: 3SLJS4B4

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/3SLJS4B4GW4D2VPAX6O3SF2JXN \
  | 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: dc9699703c35b83d55e0bf9db91749bb4125f7f2485b1c821d30424b8d9ab9c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72bfc1a369e947ffe54d36d2673ad71678682a7b91e608b04982bcc0dd5a3a6f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-11-15T00:34:17Z",
    "title_canon_sha256": "03d405ecb7468243ec625a15d9700a99af78a2d187c386d649d9331a57ea0ac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3272",
    "kind": "arxiv",
    "version": 2
  }
}