Pith Number

pith:EUABNAOV

pith:2003:EUABNAOVEDBCUVKBB2IKPODX4I

not attested not anchored not stored refs pending

Contextual Realization of the Universal Quantum Cloning Machine and of the Universal-NOT gate by Quantum Injected Optical Parametric Amplification

C. Sias, D. Pelliccia, F. De Martini, F. Sciarrino, V. Schettini

arxiv:quant-ph/0302087 v1 · 2003-02-11 · 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{EUABNAOVEDBCUVKBB2IKPODX4I}

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	2026-07-04T16:42:25.621692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25001681d520c22a55410e90a7b877e23267a60d82f7def6b3b1e663afa21c5d

Aliases

arxiv: quant-ph/0302087 · arxiv_version: quant-ph/0302087v1 · doi: 10.48550/arxiv.quant-ph/0302087 · pith_short_12: EUABNAOVEDBC · pith_short_16: EUABNAOVEDBCUVKB · pith_short_8: EUABNAOV

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/EUABNAOVEDBCUVKBB2IKPODX4I \
  | 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: 25001681d520c22a55410e90a7b877e23267a60d82f7def6b3b1e663afa21c5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "786b9b654058a28feea2c3cd6147d20b0905338fdece756c8140a48bd962fde6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-02-11T16:44:48Z",
    "title_canon_sha256": "e414e5929036a015cd6f1764a437695d23ce2d8e846a6758d6968b811e00fe79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0302087",
    "kind": "arxiv",
    "version": 1
  }
}