Pith Number

pith:QGU6ZFV3

pith:2021:QGU6ZFV3WUYKDESZX3L6TRNYP2

not attested not anchored not stored refs pending

Constant-overhead quantum error correction with thin planar connectivity

Maxime A. Tremblay, Michael E. Beverland, Nicolas Delfosse

arxiv:2109.14609 v1 · 2021-09-29 · quant-ph · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGU6ZFV3WUYKDESZX3L6TRNYP2}

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

Improved belief propagation is sufficient for real-time decoding of quantum memory

Receipt and verification

First computed	2026-07-05T04:48:36.658165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a9ec96bbb530a19259bed7e9c5b87e8d3344d5a519dcbff06944cb02bd4e58

Aliases

arxiv: 2109.14609 · arxiv_version: 2109.14609v1 · doi: 10.48550/arxiv.2109.14609 · pith_short_12: QGU6ZFV3WUYK · pith_short_16: QGU6ZFV3WUYKDESZ · pith_short_8: QGU6ZFV3

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/QGU6ZFV3WUYKDESZX3L6TRNYP2 \
  | 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: 81a9ec96bbb530a19259bed7e9c5b87e8d3344d5a519dcbff06944cb02bd4e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f6e4fc0631b7fecd256bccaec3384d8dc67cf60ff359cd3c841aa70fab37248",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-29T17:59:08Z",
    "title_canon_sha256": "7f1e9c4fbbbf552b102c26b57f27c179d89d353aff92a6db41f7017ff52f1932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14609",
    "kind": "arxiv",
    "version": 1
  }
}