Pith Number

pith:Q7YQRNXG

pith:2014:Q7YQRNXG3H7OF5EWWRWR3YVJ5U

not attested not anchored not stored refs pending

Quasi-perfect Lee Codes of Radius 2 and Arbitrarily Large Dimension

Carmen Mart\'inez, Crist\'obal Camarero

arxiv:1412.5797 v4 · 2014-12-18 · cs.IT · cs.DM · math.CO · 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{Q7YQRNXG3H7OF5EWWRWR3YVJ5U}

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	2026-05-18T00:41:51.627203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f108b6e6d9fee2f496b46d1de2a9ed0b2b0e8de4060d7d9f1dba7f960ea6f5

Aliases

arxiv: 1412.5797 · arxiv_version: 1412.5797v4 · doi: 10.48550/arxiv.1412.5797 · pith_short_12: Q7YQRNXG3H7O · pith_short_16: Q7YQRNXG3H7OF5EW · pith_short_8: Q7YQRNXG

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/Q7YQRNXG3H7OF5EWWRWR3YVJ5U \
  | 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: 87f108b6e6d9fee2f496b46d1de2a9ed0b2b0e8de4060d7d9f1dba7f960ea6f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3908f59363167cad6921fecac828044e21c91a02fc062b9ced1fe00cba31d84b",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-12-18T10:34:38Z",
    "title_canon_sha256": "f2bca178c06d7aa43518d10e20fc7106f6a25a0d1a757f3b069f2a3cfac612d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5797",
    "kind": "arxiv",
    "version": 4
  }
}