Pith Number

pith:7QFMDFG4

pith:2012:7QFMDFG4BQ5QPLYGK7YXTLNPVQ

not attested not anchored not stored refs pending

Checking the error correction strength of arbitrary surface code logical gates

Austin G. Fowler, Thomas J. Milburn

arxiv:1210.4249 v1 · 2012-10-16 · 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{7QFMDFG4BQ5QPLYGK7YXTLNPVQ}

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	2026-05-18T03:43:06.521056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0ac194dc0c3b07af0657f179adafac20256b0a4e74a2d855fde3f80b923353

Aliases

arxiv: 1210.4249 · arxiv_version: 1210.4249v1 · doi: 10.48550/arxiv.1210.4249 · pith_short_12: 7QFMDFG4BQ5Q · pith_short_16: 7QFMDFG4BQ5QPLYG · pith_short_8: 7QFMDFG4

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/7QFMDFG4BQ5QPLYGK7YXTLNPVQ \
  | 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: fc0ac194dc0c3b07af0657f179adafac20256b0a4e74a2d855fde3f80b923353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef1dff8e1008e7d7d67d706537511f2011ea9e67fd02fc4fecc64af0aa2b8b2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-16T05:03:51Z",
    "title_canon_sha256": "9aea86be77feb638945912ec895b38b96d9bc2c3cdf6595a85a94c69b24e43dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4249",
    "kind": "arxiv",
    "version": 1
  }
}