Pith Number

pith:6MO44I24

pith:2012:6MO44I24QFBYTTOVXT3LACKVDR

not attested not anchored not stored refs pending

Quantized Iterative Message Passing Decoders with Low Error Floor for LDPC Codes

Paul H. Siegel, Xiaojie Zhang

arxiv:1212.6465 v2 · 2012-12-28 · 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{6MO44I24QFBYTTOVXT3LACKVDR}

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	2026-05-18T03:13:46.282766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f31dce235c814389cdd5bcf6b009551c5de52bc1f2c87db6c8019a4162f2dd38

Aliases

arxiv: 1212.6465 · arxiv_version: 1212.6465v2 · doi: 10.48550/arxiv.1212.6465 · pith_short_12: 6MO44I24QFBY · pith_short_16: 6MO44I24QFBYTTOV · pith_short_8: 6MO44I24

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/6MO44I24QFBYTTOVXT3LACKVDR \
  | 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: f31dce235c814389cdd5bcf6b009551c5de52bc1f2c87db6c8019a4162f2dd38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb3a000d53a2e08f78a439346c883e5ccc5cba4ea1967695c6d50cf330d42e19",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-12-28T05:18:43Z",
    "title_canon_sha256": "a227738300c7e0f9f5e1d5b5fb77d7e81754af6b2c328bf1cc6e82ca58ee6ec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6465",
    "kind": "arxiv",
    "version": 2
  }
}