Pith Number

pith:BCH63GUD

pith:2006:BCH63GUDR6455KQI6YGZTN7AB2

not attested not anchored not stored refs pending

Experimental Demonstration of Continuous Variable Cloning with Phase-Conjugate Inputs

Gerd Leuchs, Metin Sabuncu, Ulrik L. Andersen

arxiv:quant-ph/0612197 v1 · 2006-12-22 · 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{BCH63GUDR6455KQI6YGZTN7AB2}

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	2026-05-18T01:37:53.663172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088fed9a838fb9deaa08f60d99b7e00e8ec165130c56ebbe54070091908b35a7

Aliases

arxiv: quant-ph/0612197 · arxiv_version: quant-ph/0612197v1 · doi: 10.48550/arxiv.quant-ph/0612197 · pith_short_12: BCH63GUDR645 · pith_short_16: BCH63GUDR6455KQI · pith_short_8: BCH63GUD

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/BCH63GUDR6455KQI6YGZTN7AB2 \
  | 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: 088fed9a838fb9deaa08f60d99b7e00e8ec165130c56ebbe54070091908b35a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "820f6eb42cef6ee59deb5d2f7514d201a4814355aaf2dd1df728fe7015be254c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-12-22T16:29:20Z",
    "title_canon_sha256": "1bdbec3b330ea392243e90fab3bcba23169e4114a0d6cc1506f9594e290f46e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0612197",
    "kind": "arxiv",
    "version": 1
  }
}