Pith Number

pith:IVK5EXY3

pith:2009:IVK5EXY3PQJHUYHMHGSBIDR4R3

not attested not anchored not stored refs pending

General conditions for approximate quantum error correction and near-optimal recovery channels

C\'edric B\'eny, Ognyan Oreshkov

arxiv:0907.5391 v4 · 2009-07-30 · 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{IVK5EXY3PQJHUYHMHGSBIDR4R3}

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	2026-07-04T17:24:01.973513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4555d25f1b7c127a60ec39a4140e3c8ec2f4cd4a2028bfdad7e49aca6de6bd2e

Aliases

arxiv: 0907.5391 · arxiv_version: 0907.5391v4 · doi: 10.48550/arxiv.0907.5391 · pith_short_12: IVK5EXY3PQJH · pith_short_16: IVK5EXY3PQJHUYHM · pith_short_8: IVK5EXY3

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/IVK5EXY3PQJHUYHMHGSBIDR4R3 \
  | 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: 4555d25f1b7c127a60ec39a4140e3c8ec2f4cd4a2028bfdad7e49aca6de6bd2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2d27a046dc95613dc924de3b9adb0eb5c70085f3bb08e2394d5d76307b7b76b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-30T18:29:39Z",
    "title_canon_sha256": "8db84fd4f4e1a51ba9cbb2a7d9b3f33914e6147ea5f585c6fcbd1ec8cadc926d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5391",
    "kind": "arxiv",
    "version": 4
  }
}