Pith Number

pith:UBVREOZX

pith:2010:UBVREOZXH57LUAQP6CJ5CBLD3G

not attested not anchored not stored refs pending

Anomalous resilient to decoherence macroscopic quantum superpositions generated by universally covariant optimal quantum cloning

F. De Martini, F. Sciarrino, N. Spagnolo

arxiv:1003.0831 v1 · 2010-03-03 · 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{UBVREOZXH57LUAQP6CJ5CBLD3G}

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	2026-05-18T02:08:47.020424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06b123b373f7eba020ff093d10563d9aa1c8a5f2ac40a4f1580ae80317d9080

Aliases

arxiv: 1003.0831 · arxiv_version: 1003.0831v1 · doi: 10.48550/arxiv.1003.0831 · pith_short_12: UBVREOZXH57L · pith_short_16: UBVREOZXH57LUAQP · pith_short_8: UBVREOZX

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/UBVREOZXH57LUAQP6CJ5CBLD3G \
  | 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: a06b123b373f7eba020ff093d10563d9aa1c8a5f2ac40a4f1580ae80317d9080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702296bcc922e7d622676e9bbb584d6bdd00f8c7d879131e01c02b851a21c9c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-03T15:04:55Z",
    "title_canon_sha256": "948cdf5516f7e05882c56d57c4457909d3fe234b89e276802c4f569927aea169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0831",
    "kind": "arxiv",
    "version": 1
  }
}