Pith Number

pith:2GSVVZBM

pith:2005:2GSVVZBMGRZRPKTEGH3IXVSZKZ

not attested not anchored not stored refs pending

Can a "Hidden Variable'' Quantum Theory Evade the "No-Cloning" Theorem?

Kirk T. McDonald

arxiv:quant-ph/0510039 v1 · 2005-10-06 · 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{2GSVVZBMGRZRPKTEGH3IXVSZKZ}

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	2026-07-04T14:47:56.898625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a55ae42c347317aa6431f68bd659567c8617bf5d84f8ae86f9dc88c0df6ad6

Aliases

arxiv: quant-ph/0510039 · arxiv_version: quant-ph/0510039v1 · doi: 10.48550/arxiv.quant-ph/0510039 · pith_short_12: 2GSVVZBMGRZR · pith_short_16: 2GSVVZBMGRZRPKTE · pith_short_8: 2GSVVZBM

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/2GSVVZBMGRZRPKTEGH3IXVSZKZ \
  | 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: d1a55ae42c347317aa6431f68bd659567c8617bf5d84f8ae86f9dc88c0df6ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95fc1f398f2ee641fbf11edf8daf12c61f6094a9fcae97c7b8580a33687cadc1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-10-06T05:52:15Z",
    "title_canon_sha256": "e177d60150c0ab358b5880ba97b595d805f272e7c637fc4462e57d17f930a466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0510039",
    "kind": "arxiv",
    "version": 1
  }
}