Pith Number

pith:7XIRBJK7

pith:2002:7XIRBJK7LZMFEWZL4JF4CDZBPC

not attested not anchored not stored refs pending

Fast fault-tolerant filtering of quantum codewords

Andrew M. Steane

arxiv:quant-ph/0202036 v2 · 2002-02-06 · 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{7XIRBJK7LZMFEWZL4JF4CDZBPC}

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

1 paper in Pith

Fire and ice: Partially fault-tolerant quantum computing with selective state filtering

Receipt and verification

First computed	2026-07-04T14:45:53.455120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd110a55f5e58525b2be24bc10f2178b30e2ded54327f25b6db77cd20713a55

Aliases

arxiv: quant-ph/0202036 · arxiv_version: quant-ph/0202036v2 · doi: 10.48550/arxiv.quant-ph/0202036 · pith_short_12: 7XIRBJK7LZMF · pith_short_16: 7XIRBJK7LZMFEWZL · pith_short_8: 7XIRBJK7

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/7XIRBJK7LZMFEWZL4JF4CDZBPC \
  | 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: fdd110a55f5e58525b2be24bc10f2178b30e2ded54327f25b6db77cd20713a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec51d1281ef031f9fb7332581ddd11cdaf74429ca5062813dea19f918484d771",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-02-06T12:05:31Z",
    "title_canon_sha256": "fd4125502b6aa7e3a32054fd6a88cee96e083e3c7bd6088b47ff700a6d74e887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0202036",
    "kind": "arxiv",
    "version": 2
  }
}