Pith Number

pith:6CAYJ3LQ

pith:2007:6CAYJ3LQIQQQTL2Q5W333C32PH

not attested not anchored not stored refs pending

Deriving a Fault-Tolerant Threshold for a Global Control Scheme

Alastair Kay

arxiv:quant-ph/0702239 v2 · 2007-02-26 · 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{6CAYJ3LQIQQQTL2Q5W333C32PH}

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	2026-07-04T14:59:58.463366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f08184ed70442109af50edb7bd8b7a79fc340e0bbc985697b00f07413f3b311a

Aliases

arxiv: quant-ph/0702239 · arxiv_version: quant-ph/0702239v2 · doi: 10.48550/arxiv.quant-ph/0702239 · pith_short_12: 6CAYJ3LQIQQQ · pith_short_16: 6CAYJ3LQIQQQTL2Q · pith_short_8: 6CAYJ3LQ

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/6CAYJ3LQIQQQTL2Q5W333C32PH \
  | 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: f08184ed70442109af50edb7bd8b7a79fc340e0bbc985697b00f07413f3b311a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fb513882c6565817e1c188266ec1979832d9b2d458805ee9f2bad300abbf368",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-02-26T16:00:18Z",
    "title_canon_sha256": "8036e7ad28c8d751bd0782a2ff78116e93709544409a49349a422c5b71232eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0702239",
    "kind": "arxiv",
    "version": 2
  }
}