Pith Number

pith:4JYDQ4OG

pith:2018:4JYDQ4OGT4VV3VFTHJNYRKBREP

not attested not anchored not stored refs pending

New Quantum MDS codes constructed from Constacyclic codes

Liangdong Lu, Luobin Guo, Ruihu Li, Wenping Ma, Yuena Ma

arxiv:1803.07927 v1 · 2018-03-20 · 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{4JYDQ4OGT4VV3VFTHJNYRKBREP}

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	2026-05-18T00:20:28.506496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2703871c69f2b5dd4b33a5b88a83123e095b21bc86003515eb566762dfeb520

Aliases

arxiv: 1803.07927 · arxiv_version: 1803.07927v1 · doi: 10.48550/arxiv.1803.07927 · pith_short_12: 4JYDQ4OGT4VV · pith_short_16: 4JYDQ4OGT4VV3VFT · pith_short_8: 4JYDQ4OG

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/4JYDQ4OGT4VV3VFTHJNYRKBREP \
  | 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: e2703871c69f2b5dd4b33a5b88a83123e095b21bc86003515eb566762dfeb520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d084b20fd07586ada55347be4a01c9df9c85406982a3ff8874b032315ee9c8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-20T05:37:32Z",
    "title_canon_sha256": "7a3dfd60199cb703f439faf497f077e591b160dd2a163bed50fc9ffce9c26d60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07927",
    "kind": "arxiv",
    "version": 1
  }
}