Pith Number

pith:5VTCR4LF

pith:2004:5VTCR4LF5SVUZ6OGZI3AYDJHCY

not attested not anchored not stored refs pending

Constructing arbitrary Steane code single logical qubit fault-tolerant gates

Austin G. Fowler

arxiv:quant-ph/0411206 v2 · 2004-11-30 · 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{5VTCR4LF5SVUZ6OGZI3AYDJHCY}

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	2026-05-18T04:14:46.376357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed6628f165ecab4cf9c6ca360c0d2716301bcef27dfa722d04edbde72405b23a

Aliases

arxiv: quant-ph/0411206 · arxiv_version: quant-ph/0411206v2 · doi: 10.48550/arxiv.quant-ph/0411206 · pith_short_12: 5VTCR4LF5SVU · pith_short_16: 5VTCR4LF5SVUZ6OG · pith_short_8: 5VTCR4LF

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/5VTCR4LF5SVUZ6OGZI3AYDJHCY \
  | 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: ed6628f165ecab4cf9c6ca360c0d2716301bcef27dfa722d04edbde72405b23a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff1ce5477c2bb1a1ce20e73886e940edc608ef7fc00446406e28f1f474f576a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-11-30T05:08:57Z",
    "title_canon_sha256": "5787ff1cc198c454cdc15dd81c144688a3cb4a511361b2fbb99cd82ba7f84de8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0411206",
    "kind": "arxiv",
    "version": 2
  }
}