Pith Number

pith:5YQ65XJM

pith:2018:5YQ65XJMCSGS566JYJE7F6BKGB

not attested not anchored not stored refs pending

The set of dimensions for which there are no linear perfect 2-error-correcting Lee codes has positive density

Claudio Qureshi

arxiv:1804.09290 v1 · 2018-04-24 · 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{5YQ65XJMCSGS566JYJE7F6BKGB}

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	2026-05-18T00:17:32.231878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee21eedd2c148d2efbc9c249f2f82a3050e0b36fcb822d3e4e61ad317a020ed2

Aliases

arxiv: 1804.09290 · arxiv_version: 1804.09290v1 · doi: 10.48550/arxiv.1804.09290 · pith_short_12: 5YQ65XJMCSGS · pith_short_16: 5YQ65XJMCSGS566J · pith_short_8: 5YQ65XJM

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/5YQ65XJMCSGS566JYJE7F6BKGB \
  | 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: ee21eedd2c148d2efbc9c249f2f82a3050e0b36fcb822d3e4e61ad317a020ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c573b0f7b431204a1f7393fa51a913b8d6e065ff4e65feb0cefe8e10ba27c1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-04-24T23:13:07Z",
    "title_canon_sha256": "e387b6516a57b597409a61b7f1415ada0385abe0b6313d0e0e3baaa5e05b0a38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09290",
    "kind": "arxiv",
    "version": 1
  }
}