Pith Number

pith:ELLEADII

pith:2011:ELLEADII4JBJYREIRMF7VUN3DY

not attested not anchored not stored refs pending

Extended Non-Binary Low-Density Parity-Check Codes over Erasure Channels

David Declercq, Lam Pham Sy, Valentin Savin

arxiv:1103.2691 v1 · 2011-03-14 · 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{ELLEADII4JBJYREIRMF7VUN3DY}

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	2026-05-18T04:26:54.350327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22d6400d08e2429c44888b0bfad1bb1e0db887801c730704fe924259e1de6248

Aliases

arxiv: 1103.2691 · arxiv_version: 1103.2691v1 · doi: 10.48550/arxiv.1103.2691 · pith_short_12: ELLEADII4JBJ · pith_short_16: ELLEADII4JBJYREI · pith_short_8: ELLEADII

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/ELLEADII4JBJYREIRMF7VUN3DY \
  | 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: 22d6400d08e2429c44888b0bfad1bb1e0db887801c730704fe924259e1de6248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdfb8a3541044fb12248116413165693443ade51c956e664a2aa7f3f49f5f7ca",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-14T15:32:25Z",
    "title_canon_sha256": "734560b5503f6dd5abde89aed58e68f66cec6c5215a7248fcc011fea5dc30060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2691",
    "kind": "arxiv",
    "version": 1
  }
}