Pith Number

pith:GTCWEJAF

pith:2013:GTCWEJAFX6XEHO3EYJMMPAVJ62

not attested not anchored not stored refs pending

Quantum Fisher Information as the Convex Roof of Variance

Sixia Yu

arxiv:1302.5311 v1 · 2013-02-21 · 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{GTCWEJAFX6XEHO3EYJMMPAVJ62}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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

8 papers in Pith

Quantum Wasserstein distance and its relation to several types of fidelities

Quantum speed limits based on Jensen-Shannon and Jeffreys divergences for general physical processes

Resource-Theoretic Quantifiers of Weak and Strong Symmetry Breaking: Strong Entanglement Asymmetry and Beyond

Quantum-Coherent Thermodynamics: Leaf Typicality via Minimum-Variance Foliation

Enhancing entanglement asymmetry in fragmented quantum systems

Receipt and verification

First computed	2026-05-18T03:32:58.034882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34c5622405bfae43bb64c258c782a9f6a493037e97a3af1808a6602e2836cd2d

Aliases

arxiv: 1302.5311 · arxiv_version: 1302.5311v1 · doi: 10.48550/arxiv.1302.5311 · pith_short_12: GTCWEJAFX6XE · pith_short_16: GTCWEJAFX6XEHO3E · pith_short_8: GTCWEJAF

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/GTCWEJAFX6XEHO3EYJMMPAVJ62 \
  | 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: 34c5622405bfae43bb64c258c782a9f6a493037e97a3af1808a6602e2836cd2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d150b67268e4fae0188d9630eb2421e01c118531da2b167fc6277799aa0233c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-21T15:41:51Z",
    "title_canon_sha256": "b851b3febda263976bc192a863eec1a7c885de30c527a2280a0631aeac3d8170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5311",
    "kind": "arxiv",
    "version": 1
  }
}