Pith Number

pith:POQWWNLH

pith:2011:POQWWNLHI6QKNLJDRLWLSHUDTI

not attested not anchored not stored refs pending

Demonstration of sufficient control for two rounds of quantum error correction in a solid state ensemble quantum information processor

Colm A. Ryan, Jonathan Baugh, Osama Moussa, Raymond Laflamme

arxiv:1108.4842 v1 · 2011-08-24 · 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{POQWWNLHI6QKNLJDRLWLSHUDTI}

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	2026-05-18T04:05:59.059790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba16b356747a0a6ad238aecb91e839a12db4f04c33956bda60c4e222e9a9837

Aliases

arxiv: 1108.4842 · arxiv_version: 1108.4842v1 · doi: 10.48550/arxiv.1108.4842 · pith_short_12: POQWWNLHI6QK · pith_short_16: POQWWNLHI6QKNLJD · pith_short_8: POQWWNLH

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/POQWWNLHI6QKNLJDRLWLSHUDTI \
  | 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: 7ba16b356747a0a6ad238aecb91e839a12db4f04c33956bda60c4e222e9a9837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33aaf1032a164316940d2a80aeda83bcf3af83a35a46157f85421f2c6b7e6277",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-24T13:53:25Z",
    "title_canon_sha256": "4c0d5f290ddbd8878f223ce689210d87b100903915a97138388d556642cb58b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4842",
    "kind": "arxiv",
    "version": 1
  }
}