Pith Number

pith:455KFXFM

pith:2009:455KFXFMXQSMHSJVUROL77WHXZ

not attested not anchored not stored refs pending

Quantum LDPC codes with positive rate and minimum distance proportional to n^{1/2}

Gilles Zemor, Jean-Pierre Tillich

arxiv:0903.0566 v2 · 2009-03-03 · cs.IT · math.IT · quant-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{455KFXFMXQSMHSJVUROL77WHXZ}

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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

5 papers in Pith

Coupled-Layer Construction of Quantum Product Codes

Constructing Bulk Topological Orders via Layered Gauging

Assessing System Capabilities and Bottlenecks of an Early Fault-Tolerant Bicycle Architecture

In-Situ Simultaneous Magic State Injection on Arbitrary CSS qLDPC Codes

Efficient Routing of Quantum LDPC Codes on Programmable 2D Toric Architectures

Receipt and verification

First computed	2026-05-18T02:25:40.667068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e77aa2dcacbc24c3c935a45cbffec7be611717b301f5f59fb76f919d26ecc4fc

Aliases

arxiv: 0903.0566 · arxiv_version: 0903.0566v2 · doi: 10.48550/arxiv.0903.0566 · pith_short_12: 455KFXFMXQSM · pith_short_16: 455KFXFMXQSMHSJV · pith_short_8: 455KFXFM

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/455KFXFMXQSMHSJVUROL77WHXZ \
  | 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: e77aa2dcacbc24c3c935a45cbffec7be611717b301f5f59fb76f919d26ecc4fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0617dd9e8c96038624b5251f2085d6ca9ea956561256d7fbb990450e71b0d0e",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-03-03T16:41:00Z",
    "title_canon_sha256": "6e4dda7a87a8173d77e383fbe4b42d68f9f780febb69fddcbcaed522a5bfd135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0566",
    "kind": "arxiv",
    "version": 2
  }
}