Pith Number

pith:E7EOVCW7

pith:2014:E7EOVCW7Q7J43BJJENIDZHSWME

not attested not anchored not stored refs pending

Spatially-Coupled MacKay-Neal Codes with No Bit Nodes of Degree Two Achieve the Capacity of BEC

Kenta Kasai, Takuya Okazaki

arxiv:1401.7289 v1 · 2014-01-28 · 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{E7EOVCW7Q7J43BJJENIDZHSWME}

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.

Cited by

1 paper in Pith

Spatially Coupled MacKay-Neal/Hsu-Anastasopoulos CSS Codes Achieve the Quantum-Erasure Hashing Bound by Seeded BP Decoding

Receipt and verification

First computed	2026-05-18T03:00:50.370226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c8ea8adf87d3cd852923503c9e56613337cdfda998adc7816952a185513a03

Aliases

arxiv: 1401.7289 · arxiv_version: 1401.7289v1 · doi: 10.48550/arxiv.1401.7289 · pith_short_12: E7EOVCW7Q7J4 · pith_short_16: E7EOVCW7Q7J43BJJ · pith_short_8: E7EOVCW7

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/E7EOVCW7Q7J43BJJENIDZHSWME \
  | 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: 27c8ea8adf87d3cd852923503c9e56613337cdfda998adc7816952a185513a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d542bdfc9c6170269733d4feabb6b6cbd984891a6f1e834b971441e081a42d4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-28T18:26:51Z",
    "title_canon_sha256": "13f9c66c4b5dea54d3dd54cc1971df5d0f0f956e367325b8ad2d9be5f6fee3bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7289",
    "kind": "arxiv",
    "version": 1
  }
}