Pith Number

pith:47GMIX5G

pith:2026:47GMIX5GFLKMI7ZNQZ4JS66LL4

not attested not anchored not stored refs pending

Hierarchy of saturation conditions for multiparameter quantum metrology bounds

Jing Yang, Luca Pezz\`e, Satoya Imai

arxiv:2602.12097 v2 · 2026-02-12 · 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{47GMIX5GFLKMI7ZNQZ4JS66LL4}

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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 sensitivity of multiparameter estimation in quantum sensing with undetected photons

Receipt and verification

First computed	2026-06-10T01:09:55.774967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ccc45fa62ad4c47f2d8678997bcb5f30fd1cf2466871b63534a201a0748e7e

Aliases

arxiv: 2602.12097 · arxiv_version: 2602.12097v2 · doi: 10.48550/arxiv.2602.12097 · pith_short_12: 47GMIX5GFLKM · pith_short_16: 47GMIX5GFLKMI7ZN · pith_short_8: 47GMIX5G

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/47GMIX5GFLKMI7ZNQZ4JS66LL4 \
  | 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: e7ccc45fa62ad4c47f2d8678997bcb5f30fd1cf2466871b63534a201a0748e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcaf463f4c59ba6a244c9d3bae1af59ed9a5fc788c338354f39c71dcac442c71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-02-12T15:50:54Z",
    "title_canon_sha256": "1090fbe3aa2c6d4b4a18150d948e5c105b4856ac45618e7bf88d76fd23cedcc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.12097",
    "kind": "arxiv",
    "version": 2
  }
}