Pith Number

pith:5APWNSBQ

pith:2004:5APWNSBQDKNMZVQPQ6EUILTRDA

not attested not anchored not stored refs pending

Demonstration of an all-optical quantum controlled-NOT gate

A G White, D Branning, G J Pryde, J L O'Brien, T C Ralph

arxiv:quant-ph/0403062 v1 · 2004-03-08 · 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{5APWNSBQDKNMZVQPQ6EUILTRDA}

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	2026-05-18T04:15:19.171570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81f66c8301a9accd60f8789442e7118214ec2f2d246d1fb9005051516cb3525

Aliases

arxiv: quant-ph/0403062 · arxiv_version: quant-ph/0403062v1 · doi: 10.48550/arxiv.quant-ph/0403062 · pith_short_12: 5APWNSBQDKNM · pith_short_16: 5APWNSBQDKNMZVQP · pith_short_8: 5APWNSBQ

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/5APWNSBQDKNMZVQPQ6EUILTRDA \
  | 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: e81f66c8301a9accd60f8789442e7118214ec2f2d246d1fb9005051516cb3525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c06bfc73397c556046d9435e95b291574302744b4a0971123faa2b26ab5fafd7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-03-08T08:05:31Z",
    "title_canon_sha256": "a1465aa1977d2919197175a4e9c02faccad07820e0a8e116a70f92de8851d511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0403062",
    "kind": "arxiv",
    "version": 1
  }
}