Pith Number

pith:4P7XEFH3

pith:2012:4P7XEFH3RDALS44PD4BETZ4TWF

not attested not anchored not stored refs pending

High threshold error correction for the surface code

Daniel Loss, James R. Wootton

arxiv:1202.4316 v3 · 2012-02-20 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4P7XEFH3RDALS44PD4BETZ4TWF}

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	2026-05-18T01:58:23.569654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ff7214fb88c0b9738f1f0249e793b16f513df0c7a936a8d7c88b2be6ea0e1d

Aliases

arxiv: 1202.4316 · arxiv_version: 1202.4316v3 · doi: 10.48550/arxiv.1202.4316 · pith_short_12: 4P7XEFH3RDAL · pith_short_16: 4P7XEFH3RDALS44P · pith_short_8: 4P7XEFH3

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/4P7XEFH3RDALS44PD4BETZ4TWF \
  | 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: e3ff7214fb88c0b9738f1f0249e793b16f513df0c7a936a8d7c88b2be6ea0e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d5aa9ad467b17376058b94e4f49daa5bb51fc616c5eb1fe3d6294a99b2191f",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-20T13:12:11Z",
    "title_canon_sha256": "3cdb9b94ffdbb0b7be9a2d7d8510867de2a7713580acd1c1510ea586b2c81451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4316",
    "kind": "arxiv",
    "version": 3
  }
}