Pith Number

pith:U6Z5FQLZ

pith:2014:U6Z5FQLZXYESA4BNFVYMD2H2LC

not attested not anchored not stored refs pending

Column Weight Two and Three LDPC Codes with High Rates and Large Girths

Ghaffar Raeisi, Mohammad Gholami

arxiv:1403.6090 v1 · 2014-03-24 · 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{U6Z5FQLZXYESA4BNFVYMD2H2LC}

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	2026-05-18T02:55:46.922833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b3d2c179be0920702d2d70c1e8fa58ac7fb2ea63db7a1efe8a85fb07656b94

Aliases

arxiv: 1403.6090 · arxiv_version: 1403.6090v1 · doi: 10.48550/arxiv.1403.6090 · pith_short_12: U6Z5FQLZXYES · pith_short_16: U6Z5FQLZXYESA4BN · pith_short_8: U6Z5FQLZ

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/U6Z5FQLZXYESA4BNFVYMD2H2LC \
  | 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: a7b3d2c179be0920702d2d70c1e8fa58ac7fb2ea63db7a1efe8a85fb07656b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0eaf1f16968a4fb507e722350918e66e063d0f8556bebb3241d822593bb9722",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-03-24T19:15:45Z",
    "title_canon_sha256": "1088f03afb2066dc90e64505f3c88f7474983862161c404b6aadda1ce6766bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6090",
    "kind": "arxiv",
    "version": 1
  }
}