Pith Number

pith:2JLEVKP5

pith:2025:2JLEVKP5W45RZVJ6NIRHCKVHXI

not attested not anchored not stored refs pending

Romanesco codes: Bias-tailored qLDPC codes from fractal codes

Catherine Leroux, Joseph K. Iverson

arxiv:2506.00130 v1 · 2025-05-30 · 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{2JLEVKP5W45RZVJ6NIRHCKVHXI}

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

Clifford-deformed zero-rate LDPC codes with 50% biased noise thresholds

Parity-unfolded distillation architecture for noise-biased platforms

Receipt and verification

First computed	2026-07-05T11:13:29.444443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2564aa9fdb73b1cd53e6a22712aa7ba36b699066605e15aba6e5a9bdfa13fe3

Aliases

arxiv: 2506.00130 · arxiv_version: 2506.00130v1 · doi: 10.48550/arxiv.2506.00130 · pith_short_12: 2JLEVKP5W45R · pith_short_16: 2JLEVKP5W45RZVJ6 · pith_short_8: 2JLEVKP5

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/2JLEVKP5W45RZVJ6NIRHCKVHXI \
  | 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: d2564aa9fdb73b1cd53e6a22712aa7ba36b699066605e15aba6e5a9bdfa13fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2dc34a2306a762d31a901d8f9be43c48e5eeeb7626150aaa7788083177ce95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-30T18:06:24Z",
    "title_canon_sha256": "efdb6381ae3ac1c30581cef9fb710acde0eedc630f75de378971f6f6ce56b21f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00130",
    "kind": "arxiv",
    "version": 1
  }
}