Pith Number

pith:G76ZAHRL

pith:2015:G76ZAHRLQLVK3MQHQW4XHDHZDF

not attested not anchored not stored refs pending

New $q$-ary Quantum MDS Codes with Distances Bigger than $\frac{q}{2}$

Hao Chen, Liqing Xu, Xianmang He

arxiv:1507.08355 v2 · 2015-07-30 · 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{G76ZAHRLQLVK3MQHQW4XHDHZDF}

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	2026-05-18T01:30:50.755778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37fd901e2b82eaadb20785b9738cf91942a1fd9e619b99e60f23fee1e37efaa0

Aliases

arxiv: 1507.08355 · arxiv_version: 1507.08355v2 · doi: 10.48550/arxiv.1507.08355 · pith_short_12: G76ZAHRLQLVK · pith_short_16: G76ZAHRLQLVK3MQH · pith_short_8: G76ZAHRL

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/G76ZAHRLQLVK3MQHQW4XHDHZDF \
  | 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: 37fd901e2b82eaadb20785b9738cf91942a1fd9e619b99e60f23fee1e37efaa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdc4e827e3beb638a60227bf0297835dffb9a498cc9adceb12e1a58e08ae294",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-30T01:06:42Z",
    "title_canon_sha256": "a95126589c22c3a0961c46944be1d5310750ed1bb833eb51d5cbf544760e49bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08355",
    "kind": "arxiv",
    "version": 2
  }
}