Pith Number

pith:LMNI3YYI

pith:1996:LMNI3YYITQFYXV7ORFEK6YU6HM

not attested not anchored not stored refs pending

Quantum Copying: Beyond the No-Cloning Theorem

Mark Hillery, Vladimir Buzek

arxiv:quant-ph/9607018 v1 · 1996-07-20 · 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{LMNI3YYITQFYXV7ORFEK6YU6HM}

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	2026-07-04T16:02:40.707643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1a8de3089c0b8bd7ee8948af629e3b14b88b79394149fa2db2bdff03c47fe1

Aliases

arxiv: quant-ph/9607018 · arxiv_version: quant-ph/9607018v1 · doi: 10.48550/arxiv.quant-ph/9607018 · pith_short_12: LMNI3YYITQFY · pith_short_16: LMNI3YYITQFYXV7O · pith_short_8: LMNI3YYI

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/LMNI3YYITQFYXV7ORFEK6YU6HM \
  | 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: 5b1a8de3089c0b8bd7ee8948af629e3b14b88b79394149fa2db2bdff03c47fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb226352dbf76748314caf77055d0d34e4d0ad6b4d9d2b16927652a830504856",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1996-07-20T14:15:01Z",
    "title_canon_sha256": "9f795d7c31f0ecf6ddd55c5e4d0a27659ada2e6500d9a32f573235a8d50a0468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9607018",
    "kind": "arxiv",
    "version": 1
  }
}