Pith Number

pith:KK3CZOVM

pith:2008:KK3CZOVMEAX4QVQSWIUNZKIG4W

not attested not anchored not stored refs pending

An All Optical Fibre Quantum Controlled-NOT Gate

Alex S. Clark, Jeremie Fulconis, Jeremy L. O'Brien, John G. Rarity, William J. Wadsworth

arxiv:0802.1676 v1 · 2008-02-12 · 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{KK3CZOVMEAX4QVQSWIUNZKIG4W}

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	2026-05-18T02:16:01.105480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b62cbaac202fc85612b228dca906e5944f3cdd89985e0592b51eba69df17fb

Aliases

arxiv: 0802.1676 · arxiv_version: 0802.1676v1 · doi: 10.48550/arxiv.0802.1676 · pith_short_12: KK3CZOVMEAX4 · pith_short_16: KK3CZOVMEAX4QVQS · pith_short_8: KK3CZOVM

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/KK3CZOVMEAX4QVQSWIUNZKIG4W \
  | 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: 52b62cbaac202fc85612b228dca906e5944f3cdd89985e0592b51eba69df17fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ebe808a85902aac8eab7c7e489be2765ea339a1fbd4dbb1a82edbaa7bea0be5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-02-12T17:57:13Z",
    "title_canon_sha256": "d16da8ef42eb3a280b9f61066db28404c9a5ee67bde9efc2c7645fdc7b1ac4ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1676",
    "kind": "arxiv",
    "version": 1
  }
}