Pith Number

pith:QC6AGKTY

pith:2005:QC6AGKTYLA2BLLULZWFUK4JKFW

not attested not anchored not stored refs pending

On the Asymptotic Weight and Stopping Set Distribution of Regular LDPC Ensembles

Vishwambhar Rathi

arxiv:cs/0512066 v1 · 2005-12-15 · 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{QC6AGKTYLA2BLLULZWFUK4JKFW}

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	2026-05-18T00:57:45.045789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80bc032a78583415ae8bcd8b45712a2d9181123e74436b88c54354f8d602b842

Aliases

arxiv: cs/0512066 · arxiv_version: cs/0512066v1 · doi: 10.48550/arxiv.cs/0512066 · pith_short_12: QC6AGKTYLA2B · pith_short_16: QC6AGKTYLA2BLLUL · pith_short_8: QC6AGKTY

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/QC6AGKTYLA2BLLULZWFUK4JKFW \
  | 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: 80bc032a78583415ae8bcd8b45712a2d9181123e74436b88c54354f8d602b842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340dffbdb9b8769e39b0ddfb6a5a18cf97c1b9988316aabc6911b14136915510",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-12-15T23:53:11Z",
    "title_canon_sha256": "32e470d3d579cd6535d03cb20e7bd559ac2cdea80e3bc0ff34f7ec50e850eb06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0512066",
    "kind": "arxiv",
    "version": 1
  }
}