Pith Number

pith:USV2XKID

pith:2015:USV2XKIDWQLH4D6COA3GFZPXXE

not attested not anchored not stored refs pending

A Fully-Unrolled LDPC Decoder Based on Quantized Message Passing

Alexios Balatsoukas-Stimming, Andreas Burg, Gerald Matz, Michael Meidlinger, Reza Ghanaatian

arxiv:1510.04589 v1 · 2015-10-15 · 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{USV2XKIDWQLH4D6COA3GFZPXXE}

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	2026-05-18T01:30:06.744233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ababa903b4167e0fc2703662e5f7b91a54f4c5bc1ceb9c42424a7a017ffafb

Aliases

arxiv: 1510.04589 · arxiv_version: 1510.04589v1 · doi: 10.48550/arxiv.1510.04589 · pith_short_12: USV2XKIDWQLH · pith_short_16: USV2XKIDWQLH4D6C · pith_short_8: USV2XKID

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/USV2XKIDWQLH4D6COA3GFZPXXE \
  | 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: a4ababa903b4167e0fc2703662e5f7b91a54f4c5bc1ceb9c42424a7a017ffafb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5af4748c3bb1f54843c23fd1a5cf2b41a82990867d7769325c662921f6a3ede",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-10-15T15:41:09Z",
    "title_canon_sha256": "35307481c178d48af394c68001c1fda4468716deb2218b5064cc97c87a178b3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04589",
    "kind": "arxiv",
    "version": 1
  }
}