Pith Number

pith:A2MBV3RV

pith:2025:A2MBV3RV7OE5RVB5HXRQLB3NJL

not attested not anchored not stored refs pending

Optimal Quantum $(r,\delta)$-Locally Repairable Codes via Classical Ones

Kun Zhou, Meng Cao

arxiv:2507.18175 v1 · 2025-07-24 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2MBV3RV7OE5RVB5HXRQLB3NJL}

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

Quantum Hierarchical Locally Recoverable Codes

Receipt and verification

First computed	2026-07-05T11:42:43.170911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06981aee35fb89d8d43d3de305876d4ac2cc9710952ea998aa756c72f01a9c92

Aliases

arxiv: 2507.18175 · arxiv_version: 2507.18175v1 · doi: 10.48550/arxiv.2507.18175 · pith_short_12: A2MBV3RV7OE5 · pith_short_16: A2MBV3RV7OE5RVB5 · pith_short_8: A2MBV3RV

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/A2MBV3RV7OE5RVB5HXRQLB3NJL \
  | 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: 06981aee35fb89d8d43d3de305876d4ac2cc9710952ea998aa756c72f01a9c92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04963593cb959e734b224191c7edb80c812569294a2f79998c93257749ef869a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-24T08:21:20Z",
    "title_canon_sha256": "d4d41cddc0e00f79938bcdb4ed647148b490f10d4ca169b47d9cbafa8fa7a4ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18175",
    "kind": "arxiv",
    "version": 1
  }
}