Pith Number

pith:E5RXRYKL

pith:2019:E5RXRYKL4YTTVWKSF3IPDRALRD

not attested not anchored not stored refs pending

Constructing a virtual two-qubit gate by sampling single-qubit operations

Keisuke Fujii, Kosuke Mitarai

arxiv:1909.07534 v2 · 2019-09-17 · 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{E5RXRYKL4YTTVWKSF3IPDRALRD}

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	2026-07-05T04:03:42.906324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

276378e14be6273ad9522ed0f1c40b88fbce51a1c0f97faa2bd48befea9a4fe2

Aliases

arxiv: 1909.07534 · arxiv_version: 1909.07534v2 · doi: 10.48550/arxiv.1909.07534 · pith_short_12: E5RXRYKL4YTT · pith_short_16: E5RXRYKL4YTTVWKS · pith_short_8: E5RXRYKL

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/E5RXRYKL4YTTVWKSF3IPDRALRD \
  | 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: 276378e14be6273ad9522ed0f1c40b88fbce51a1c0f97faa2bd48befea9a4fe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09eb8ce474e1a96a66030d19cefa7e9aaa798720a650597945768e6b327e95a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-17T00:41:54Z",
    "title_canon_sha256": "195b8dba370b57233b95094df83a7c322a3ef35e029d04d62497a7f99eff5077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07534",
    "kind": "arxiv",
    "version": 2
  }
}