Pith Number

pith:M5DSY5TU

pith:2025:M5DSY5TU46ZYEJFSAN3G2DGHGR

not attested not anchored not stored refs pending

Kicking Quantum Fisher Information out of Equilibrium

Florent Ferro, Maurizio Fagotti

arxiv:2503.21905 v2 · 2025-03-27 · quant-ph · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5DSY5TU46ZYEJFSAN3G2DGHGR}

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

4 papers in Pith

Quantum Fisher Information under decoherence with explicit wavefunctions

Enhancing entanglement asymmetry in fragmented quantum systems

Assembling Extensive Quantum Fisher Information in Stabilizer Systems

Operator spreading and recoverability of local quantum Fisher information in a $U(1)$-broken spin chain

Receipt and verification

First computed	2026-07-05T10:55:33.386188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67472c7674e7b38224b203766d0cc734458ba8904bedd9becca18d5d97444e1a

Aliases

arxiv: 2503.21905 · arxiv_version: 2503.21905v2 · doi: 10.48550/arxiv.2503.21905 · pith_short_12: M5DSY5TU46ZY · pith_short_16: M5DSY5TU46ZYEJFS · pith_short_8: M5DSY5TU

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/M5DSY5TU46ZYEJFSAN3G2DGHGR \
  | 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: 67472c7674e7b38224b203766d0cc734458ba8904bedd9becca18d5d97444e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2346e09ebb6d4f65587b384e4fb68ba19d5f6dbb657876dcf9c86752eaeb676b",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-27T18:30:58Z",
    "title_canon_sha256": "93483ff169522a39edcc39fe7085916f12f65018cb4d793ad1b24262306741d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21905",
    "kind": "arxiv",
    "version": 2
  }
}