Pith Number

pith:6X26NCCX

pith:2019:6X26NCCXGYER3HGHQHUT2CV7WO

not attested not anchored not stored refs pending

Upper bounds on the Holevo Cram\'er-Rao bound for multiparameter quantum parametric and semiparametric estimation

Animesh Datta, Francesco Albarelli, Mankei Tsang

arxiv:1911.11036 v3 · 2019-11-25 · quant-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6X26NCCXGYER3HGHQHUT2CV7WO}

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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

Ultimate tradeoff relation of quantum precision limits in multiparameter linear measurement

Receipt and verification

First computed	2026-07-05T01:25:23.514836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5f5e6885736091d9cc781e93d0abfb3ae70d35cbb8e9df21c77ed064f3fc9cb

Aliases

arxiv: 1911.11036 · arxiv_version: 1911.11036v3 · doi: 10.48550/arxiv.1911.11036 · pith_short_12: 6X26NCCXGYER · pith_short_16: 6X26NCCXGYER3HGH · pith_short_8: 6X26NCCX

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/6X26NCCXGYER3HGHQHUT2CV7WO \
  | 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: f5f5e6885736091d9cc781e93d0abfb3ae70d35cbb8e9df21c77ed064f3fc9cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2fe151494b3570333e2e4ff47c16200bb5ea5521d66a94808269ad5b583ead",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-25T16:40:28Z",
    "title_canon_sha256": "ec82500c67298ecc124ca6ce4bb2639490012896d88cf95786e894fbbf7c78cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11036",
    "kind": "arxiv",
    "version": 3
  }
}