Pith Number

pith:XO7AWGHV

pith:2018:XO7AWGHVIJ3AJXTUTGDW3DWJZQ

not attested not anchored not stored refs pending

Bit-Metric Decoding of Non-Binary LDPC Codes with Probabilistic Amplitude Shaping

Fabian Steiner, Georg B\"ocherer, Gianluigi Liva

arxiv:1809.04037 v1 · 2018-09-11 · 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{XO7AWGHVIJ3AJXTUTGDW3DWJZQ}

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	2026-05-18T00:05:57.469486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbe0b18f5427604de7499876d8ec9cc1ee0f087db2841784927b4bdb2289ed5

Aliases

arxiv: 1809.04037 · arxiv_version: 1809.04037v1 · doi: 10.48550/arxiv.1809.04037 · pith_short_12: XO7AWGHVIJ3A · pith_short_16: XO7AWGHVIJ3AJXTU · pith_short_8: XO7AWGHV

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/XO7AWGHVIJ3AJXTUTGDW3DWJZQ \
  | 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: bbbe0b18f5427604de7499876d8ec9cc1ee0f087db2841784927b4bdb2289ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdabd4682021b314ba7da35d0cd44628ffd8c2391edf0e9984b61039cb2c0d57",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-11T17:06:25Z",
    "title_canon_sha256": "10d0c695ff6579488658aa9ab3e9aa48f91f8a5753b1aa26dad9fcfb977167be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04037",
    "kind": "arxiv",
    "version": 1
  }
}