Pith Number

pith:5Q6W3POP

pith:2008:5Q6W3POPD644DNYY7L4DVQJ5L3

not attested not anchored not stored refs pending

Codeword stabilized quantum codes: algorithm and structure

Andrew W. Cross, Bei Zeng, Graeme Smith, Isaac L. Chuang, John A. Smolin

arxiv:0803.3232 v1 · 2008-03-21 · 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{5Q6W3POPD644DNYY7L4DVQJ5L3}

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	2026-05-18T02:15:59.974103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec3d6dbdcf1fb9c1b718faf83ac13d5ede1c7e94984a90eb897c2fedeb5f3ea4

Aliases

arxiv: 0803.3232 · arxiv_version: 0803.3232v1 · doi: 10.48550/arxiv.0803.3232 · pith_short_12: 5Q6W3POPD644 · pith_short_16: 5Q6W3POPD644DNYY · pith_short_8: 5Q6W3POP

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/5Q6W3POPD644DNYY7L4DVQJ5L3 \
  | 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: ec3d6dbdcf1fb9c1b718faf83ac13d5ede1c7e94984a90eb897c2fedeb5f3ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89fa553b55398381cf55d377d27a1a1fa19d44d1be4d0c271e09e8023b5c1b54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-03-21T21:38:55Z",
    "title_canon_sha256": "832482483976182b1dfbc82d53965f8841aaf493258f4796dcd6b6c80b269c54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3232",
    "kind": "arxiv",
    "version": 1
  }
}