Pith Number

pith:IRMG4A5V

pith:2026:IRMG4A5VGMGC6GJPH32DPBFL2Z

not attested not anchored not stored refs pending

Quantum $(r,\delta)$-Locally Recoverable BCH and Homothetic-BCH Codes

Carlos Galindo, Fernando Hernando, Ryutaroh Matsumoto

arxiv:2601.22567 v2 · 2026-01-30 · cs.IT · math.IT · 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{IRMG4A5VGMGC6GJPH32DPBFL2Z}

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

2 papers in Pith

Constructions of Quantum $(r,\delta)$-LRCs from cyclic codes

Quantum Hierarchical Locally Recoverable Codes

Receipt and verification

First computed	2026-07-28T01:22:28.698229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44586e03b5330c2f192f3ef43784abd659362e72f6a78d943a5851be8669712f

Aliases

arxiv: 2601.22567 · arxiv_version: 2601.22567v2 · doi: 10.48550/arxiv.2601.22567 · pith_short_12: IRMG4A5VGMGC · pith_short_16: IRMG4A5VGMGC6GJP · pith_short_8: IRMG4A5V

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/IRMG4A5VGMGC6GJPH32DPBFL2Z \
  | 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: 44586e03b5330c2f192f3ef43784abd659362e72f6a78d943a5851be8669712f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a092d61dc35bf381bb985e718ad77050d6ea626d44b482a0b3909e06d8cc1132",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-01-30T05:08:59Z",
    "title_canon_sha256": "60713a7d22b38c3bc2a06469a2c4a3c1bc1b7f91a1b8377223c171c2f27dad6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.22567",
    "kind": "arxiv",
    "version": 2
  }
}