Pith Number

pith:YBRWZAPW

pith:2010:YBRWZAPWITDNZWPNTVFA3O6L5M

not attested not anchored not stored refs pending

LDPC Codes from Latin Squares Free of Small Trapping Sets

Bane Vasic, Dung Viet Nguyen, Michael W. Marcellin, Shashi Kiran Chilappagari

arxiv:1008.4177 v2 · 2010-08-24 · 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{YBRWZAPWITDNZWPNTVFA3O6L5M}

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	2026-05-18T04:14:55.190854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0636c81f644c6dcd9ed9d4a0dbbcbeb0ca502b0720364486d75974f7d406c11

Aliases

arxiv: 1008.4177 · arxiv_version: 1008.4177v2 · doi: 10.48550/arxiv.1008.4177 · pith_short_12: YBRWZAPWITDN · pith_short_16: YBRWZAPWITDNZWPN · pith_short_8: YBRWZAPW

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/YBRWZAPWITDNZWPNTVFA3O6L5M \
  | 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: c0636c81f644c6dcd9ed9d4a0dbbcbeb0ca502b0720364486d75974f7d406c11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8623bacc297329d41945fd1e753448c9244899d791e362d1fd8ddd45dae87ffb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-08-24T23:42:09Z",
    "title_canon_sha256": "e16703c6f1b046a1e83bf7dcb01e6a5ab96e79c3db1ade271239e55046083038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4177",
    "kind": "arxiv",
    "version": 2
  }
}