Pith Number

pith:2O472TVT

pith:2008:2O472TVTETAUUYPJP56UWOFYNC

not attested not anchored not stored refs pending

Efficient purification protocols using iSWAP gates in solid-state qubits

Franco Nori, Koji Maruyama, Tetsufumi Tanamoto, Xuedong Hu, Yu-xi Liu

arxiv:0807.4788 v1 · 2008-07-30 · 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{2O472TVTETAUUYPJP56UWOFYNC}

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	2026-05-18T03:03:10.623069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b9fd4eb324c14a61e97f7d4b38b8688d088afbbb5d46c784a922e6cad61293

Aliases

arxiv: 0807.4788 · arxiv_version: 0807.4788v1 · doi: 10.48550/arxiv.0807.4788 · pith_short_12: 2O472TVTETAU · pith_short_16: 2O472TVTETAUUYPJ · pith_short_8: 2O472TVT

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/2O472TVTETAUUYPJP56UWOFYNC \
  | 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: d3b9fd4eb324c14a61e97f7d4b38b8688d088afbbb5d46c784a922e6cad61293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6e0ad571ee9a8481c86f79d891d303e81ad33e2c533794633c0e297684d8f06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-07-30T05:34:06Z",
    "title_canon_sha256": "7312b68cc8dc814c2f8ceae2a94e5517d3eda1b77bd15c394480bb7aa216c2db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4788",
    "kind": "arxiv",
    "version": 1
  }
}