Pith Number

pith:JQKPMKOC

pith:2010:JQKPMKOCE7RZIQU4LMB3ILWSRD

not attested not anchored not stored refs pending

Entanglement criteria and full separability of multi-qubit quantum states

Otfried G\"uhne

arxiv:1009.3782 v2 · 2010-09-20 · 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{JQKPMKOCE7RZIQU4LMB3ILWSRD}

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.

Cited by

1 paper in Pith

Estimating the best separable approximation of non-pure spin-squeezed states

Receipt and verification

First computed	2026-05-18T04:32:11.605119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c14f629c227e394429c5b03b42ed288f6d7973bf0155c24477237767f6d41f2

Aliases

arxiv: 1009.3782 · arxiv_version: 1009.3782v2 · doi: 10.48550/arxiv.1009.3782 · pith_short_12: JQKPMKOCE7RZ · pith_short_16: JQKPMKOCE7RZIQU4 · pith_short_8: JQKPMKOC

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/JQKPMKOCE7RZIQU4LMB3ILWSRD \
  | 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: 4c14f629c227e394429c5b03b42ed288f6d7973bf0155c24477237767f6d41f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6956d96525a16b7bc965c4307d1fde49bde326ea591d48b4078d5eb18a79c874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-20T12:08:49Z",
    "title_canon_sha256": "a7c2f31534fd0dab26717e20dc20b6d87ad17d0b784b0529de6960b64bd833f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3782",
    "kind": "arxiv",
    "version": 2
  }
}