Pith Number

pith:RZUCJRTM

pith:2025:RZUCJRTMDK36EI4KD7QS5ASFG2

not attested not anchored not stored refs pending

Multiparameter quantum estimation with Gaussian states: efficiently evaluating Holevo, RLD and SLD Cram\'er-Rao bounds

Francesco Albarelli, Marco G. Genoni, Shoukang Chang

arxiv:2504.17873 v1 · 2025-04-24 · 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{RZUCJRTMDK36EI4KD7QS5ASFG2}

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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

2 papers in Pith

Impact of the Unruh effect on the estimation precision of Gaussian channel parameters

Multi-Parameter Multi-Critical Metrology of the Dicke Model

Receipt and verification

First computed	2026-07-05T10:53:57.594446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e6824c66c1ab7e2238a1fe12e824536be21d73be9bec018a83e8b048547c34d

Aliases

arxiv: 2504.17873 · arxiv_version: 2504.17873v1 · doi: 10.48550/arxiv.2504.17873 · pith_short_12: RZUCJRTMDK36 · pith_short_16: RZUCJRTMDK36EI4K · pith_short_8: RZUCJRTM

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/RZUCJRTMDK36EI4KD7QS5ASFG2 \
  | 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: 8e6824c66c1ab7e2238a1fe12e824536be21d73be9bec018a83e8b048547c34d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099aca905dbdcffac42be1ff44a5bdd342e4ddde0b99b30a8190794b6a3637d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-24T18:19:56Z",
    "title_canon_sha256": "7b5e90a1c1c3382730146037f13e52d657a7b5dab88f161cce28f3c81a559653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17873",
    "kind": "arxiv",
    "version": 1
  }
}