Pith Number

pith:OF2G2KFX

pith:2011:OF2G2KFXZTZVYOUSHIPLYWI4HJ

not attested not anchored not stored refs pending

Reweighted LP Decoding for LDPC Codes

Alexandros G. Dimakis, Amin Khajehnejad, Babak Hassibi, Benjamin Vigoda, William Bradley

arxiv:1103.2837 v1 · 2011-03-15 · 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{OF2G2KFXZTZVYOUSHIPLYWI4HJ}

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	2026-05-18T04:26:46.429529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71746d28b7ccf35c3a923a1ebc591c3a478b039e8eb1fc2caf087b4116015880

Aliases

arxiv: 1103.2837 · arxiv_version: 1103.2837v1 · doi: 10.48550/arxiv.1103.2837 · pith_short_12: OF2G2KFXZTZV · pith_short_16: OF2G2KFXZTZVYOUS · pith_short_8: OF2G2KFX

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/OF2G2KFXZTZVYOUSHIPLYWI4HJ \
  | 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: 71746d28b7ccf35c3a923a1ebc591c3a478b039e8eb1fc2caf087b4116015880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63f83da3fed762c6659d09518d5634d640100250b153b111c536343d030099c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-15T03:42:11Z",
    "title_canon_sha256": "d3563cbea2a019393cf771da9e32f2c77fc262164118feeb9adaa5a1d1877730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2837",
    "kind": "arxiv",
    "version": 1
  }
}