Pith Number

pith:ZJSJGIAU

pith:2015:ZJSJGIAUAO2MX7CPCKASQIWOH5

not attested not anchored not stored refs pending

Protograph-Based LDPC Code Design for Bit-Metric Decoding

Fabian Steiner, Georg B\"ocherer, Gianluigi Liva

arxiv:1501.05595 v1 · 2015-01-22 · 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{ZJSJGIAUAO2MX7CPCKASQIWOH5}

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	2026-05-18T02:28:54.408428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6493201403b4cbfc4f12812822ce3f7ef5d29a3cb32a5fe8bb28a25549bda4

Aliases

arxiv: 1501.05595 · arxiv_version: 1501.05595v1 · doi: 10.48550/arxiv.1501.05595 · pith_short_12: ZJSJGIAUAO2M · pith_short_16: ZJSJGIAUAO2MX7CP · pith_short_8: ZJSJGIAU

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/ZJSJGIAUAO2MX7CPCKASQIWOH5 \
  | 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: ca6493201403b4cbfc4f12812822ce3f7ef5d29a3cb32a5fe8bb28a25549bda4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b46740601d49c72dc707533ebac3f09c1225698d255e589b3c41298756723b1a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-22T18:36:00Z",
    "title_canon_sha256": "72d559db4c936e77d195003f3a2e8ad438eb69ad8a74aa966c47830be7a5f794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05595",
    "kind": "arxiv",
    "version": 1
  }
}