Pith Number

pith:6JLPDRE2

pith:2017:6JLPDRE2XAALCF6NS5LOQ57A2N

not attested not anchored not stored refs pending

A Generalized Algebraic Approach to Optimizing SC-LDPC Codes

Allison Beemer, Christine A. Kelley, Joerg Kliewer, Salman Habib

arxiv:1710.03619 v1 · 2017-10-10 · 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{6JLPDRE2XAALCF6NS5LOQ57A2N}

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	2026-05-18T00:33:11.187730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f256f1c49ab800b117cd9756e877e0d367b20507474610fe3754151a46fac108

Aliases

arxiv: 1710.03619 · arxiv_version: 1710.03619v1 · doi: 10.48550/arxiv.1710.03619 · pith_short_12: 6JLPDRE2XAAL · pith_short_16: 6JLPDRE2XAALCF6N · pith_short_8: 6JLPDRE2

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/6JLPDRE2XAALCF6NS5LOQ57A2N \
  | 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: f256f1c49ab800b117cd9756e877e0d367b20507474610fe3754151a46fac108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01ee79a279ba4a523b1cdb71c94af9f71eed3e6c2c7913cf81049db2655722c6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-10T14:17:31Z",
    "title_canon_sha256": "de6a0fedac99f7f8a7e9b44ec80f116c2f2cc483fb419c220877a2520d218e70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03619",
    "kind": "arxiv",
    "version": 1
  }
}