Pith Number

pith:5UDDWU63

pith:2010:5UDDWU63J3T6ATAK3I33VTNTDI

not attested not anchored not stored refs pending

Multiparticle covariance matrices and the impossibility of detecting graph state entanglement with two-particle correlations

Oleg Gittsovich, Otfried G\"uhne, Philipp Hyllus

arxiv:1006.1594 v1 · 2010-06-08 · 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{5UDDWU63J3T6ATAK3I33VTNTDI}

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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

Entanglement Certification $-$ From Theory to Experiment

Receipt and verification

First computed	2026-05-18T04:41:05.840056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed063b53db4ee7e04c0ada37bacdb31a3e4f251d16f4ceed76f46c07a7fdbee7

Aliases

arxiv: 1006.1594 · arxiv_version: 1006.1594v1 · doi: 10.48550/arxiv.1006.1594 · pith_short_12: 5UDDWU63J3T6 · pith_short_16: 5UDDWU63J3T6ATAK · pith_short_8: 5UDDWU63

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/5UDDWU63J3T6ATAK3I33VTNTDI \
  | 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: ed063b53db4ee7e04c0ada37bacdb31a3e4f251d16f4ceed76f46c07a7fdbee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9762536163e12c3fd006ce8494927d406a6f164ab5aa08f395d5b7aa1c0dfcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-08T15:53:59Z",
    "title_canon_sha256": "070827e2c3f2ac17067b630a2a8015155f3993e4bf5996427177cfd8cb1e56fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1594",
    "kind": "arxiv",
    "version": 1
  }
}