Pith Number

pith:CAUEV7JE

pith:2008:CAUEV7JESZMCIU4XQKQDIJNYYM

not attested not anchored not stored refs pending

On the guaranteed error correction capability of LDPC codes

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

arxiv:0801.1276 v1 · 2008-01-08 · 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{CAUEV7JESZMCIU4XQKQDIJNYYM}

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	2026-05-18T00:58:48.723737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10284afd24965824539782a03425b8c30fcb6123e88c39f6cc120c2fbe8c88be

Aliases

arxiv: 0801.1276 · arxiv_version: 0801.1276v1 · doi: 10.48550/arxiv.0801.1276 · pith_short_12: CAUEV7JESZMC · pith_short_16: CAUEV7JESZMCIU4X · pith_short_8: CAUEV7JE

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/CAUEV7JESZMCIU4XQKQDIJNYYM \
  | 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: 10284afd24965824539782a03425b8c30fcb6123e88c39f6cc120c2fbe8c88be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5cdb66b14e2b461bd5bdc2510d26d59bf9c5de1c01803e5317a9b4e66b5f548",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-01-08T16:53:08Z",
    "title_canon_sha256": "a586eedc1696326fe19792e6301d8f9f3b62f5b88bc859572bbdf750a7694f62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1276",
    "kind": "arxiv",
    "version": 1
  }
}