Pith Number

pith:OFUEUKU3

pith:2026:OFUEUKU3SYOKVHZFJU4H5EAQSA

not attested not anchored not stored refs pending

Rate-2/3 Girth-8 (3,18)-Regular Quantum LDPC Codes from Two-Branch Finite-Field Bases and CPM Lifts

Kenta Kasai, Koki Okada

arxiv:2606.27130 v1 · 2026-06-25 · quant-ph · 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{OFUEUKU3SYOKVHZFJU4H5EAQSA}

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	2026-06-26T01:16:10.387691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71684a2a9b961caa9f254d387e9010902e0da0d07df5ec5a2fbe7660d58572fb

Aliases

arxiv: 2606.27130 · arxiv_version: 2606.27130v1 · doi: 10.48550/arxiv.2606.27130 · pith_short_12: OFUEUKU3SYOK · pith_short_16: OFUEUKU3SYOKVHZF · pith_short_8: OFUEUKU3

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/OFUEUKU3SYOKVHZFJU4H5EAQSA \
  | 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: 71684a2a9b961caa9f254d387e9010902e0da0d07df5ec5a2fbe7660d58572fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90afedf0c3337d94b7cb7fd8d2f26d224eb845d840f383464d7912d4cc5cade0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-25T15:08:16Z",
    "title_canon_sha256": "8a0c634f068f6f354db766725faecfa946dcf49c8ecec699fccbd8532e8de12b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27130",
    "kind": "arxiv",
    "version": 1
  }
}