pith. sign in
Pith Number

pith:6W2RYWH2

pith:2016:6W2RYWH2L6ZJ6BZ4MUIGUKWWBT
not attested not anchored not stored refs pending

Schur complement inequalities for covariance matrices and monogamy of quantum correlations

Andreas Winter, Christoph Hirche, Gerardo Adesso, Ludovico Lami

arxiv:1607.05285 v2 · 2016-07-18 · quant-ph · cond-mat.stat-mech · hep-th · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6W2RYWH2L6ZJ6BZ4MUIGUKWWBT}

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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.
Receipt and verification
First computed 2026-05-18T00:56:45.773693Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f5b51c58fa5fb29f073c65106a2ad60cc259a470ab06ef2c2f8c1cd779b649fa

Aliases

arxiv: 1607.05285 · arxiv_version: 1607.05285v2 · doi: 10.48550/arxiv.1607.05285 · pith_short_12: 6W2RYWH2L6ZJ · pith_short_16: 6W2RYWH2L6ZJ6BZ4 · pith_short_8: 6W2RYWH2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6W2RYWH2L6ZJ6BZ4MUIGUKWWBT \
  | 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: f5b51c58fa5fb29f073c65106a2ad60cc259a470ab06ef2c2f8c1cd779b649fa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "661c019d1adffc1631e6aa88771b188aa92090fb988c6472359e943c836f1fa5",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-18T20:00:03Z",
    "title_canon_sha256": "a1ea8e91a94ac0249cfd2d2855a1d514e24cab7d43b55c064b75269a7945ef9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05285",
    "kind": "arxiv",
    "version": 2
  }
}