Pith Number

pith:HO5W35ZT

pith:2009:HO5W35ZT2F3TJR24VE5LETWCFH

not attested not anchored not stored refs pending

Decoherence, Einselection and Classicality of a Macroscopic Quantum Superposition generated by Quantum Cloning

Fabio Sciarrino, Francesco De Martini, Nicolo' Spagnolo

arxiv:0901.1274 v2 · 2009-01-09 · 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{HO5W35ZT2F3TJR24VE5LETWCFH}

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	2026-05-18T02:15:02.768488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bbb6df733d17734c75ca93ab24ec229cbcf33e1e40cc8ca96984845e13245cb

Aliases

arxiv: 0901.1274 · arxiv_version: 0901.1274v2 · doi: 10.48550/arxiv.0901.1274 · pith_short_12: HO5W35ZT2F3T · pith_short_16: HO5W35ZT2F3TJR24 · pith_short_8: HO5W35ZT

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/HO5W35ZT2F3TJR24VE5LETWCFH \
  | 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: 3bbb6df733d17734c75ca93ab24ec229cbcf33e1e40cc8ca96984845e13245cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eaec432f24b443554f4168ae6fdb5d7dba397019f3f0abe5d0f64a26b07fb5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-01-09T18:16:33Z",
    "title_canon_sha256": "eb58ecda79360ae41c010667c31e86e5fcd890424a1789108f5bbe7fea6073ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1274",
    "kind": "arxiv",
    "version": 2
  }
}