Pith Number

pith:Q7CWJYLX

pith:2013:Q7CWJYLXA74OM4OTBTDQY4YWZ7

not attested not anchored not stored refs pending

Universal quantum computation by the unitary control of ancilla qubits and using a fixed ancilla-register interaction

Erika Andersson, Timothy J. Proctor, Viv Kendon

arxiv:1307.6095 v3 · 2013-07-23 · 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{Q7CWJYLXA74OM4OTBTDQY4YWZ7}

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	2026-05-18T03:09:11.579052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c564e17707f8e671d30cc70c7316cff54113455b33aace3877d767908fa41b

Aliases

arxiv: 1307.6095 · arxiv_version: 1307.6095v3 · doi: 10.48550/arxiv.1307.6095 · pith_short_12: Q7CWJYLXA74O · pith_short_16: Q7CWJYLXA74OM4OT · pith_short_8: Q7CWJYLX

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/Q7CWJYLXA74OM4OTBTDQY4YWZ7 \
  | 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: 87c564e17707f8e671d30cc70c7316cff54113455b33aace3877d767908fa41b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b9a6cc96945f016d7e769f1c167179271c45a39223c38827ca59ecd2c3aac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-23T14:22:13Z",
    "title_canon_sha256": "45a934412670cecf703fb95b31fb848c820ccfc5217040757c3a4bfc30920fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6095",
    "kind": "arxiv",
    "version": 3
  }
}