Pith Number

pith:Z4D3FFQT

pith:2010:Z4D3FFQTUPSH3A4YNKBS6Z6ESA

not attested not anchored not stored refs pending

Fisher information and multiparticle entanglement

Augusto Smerzi, Christian Schwemmer, Harald Weinfurter, Luca Pezz\'e, Philipp Hyllus, Roland Krischek, Wies{\l}aw Laskowski, Witlef Wieczorek

arxiv:1006.4366 v3 · 2010-06-22 · 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{Z4D3FFQTUPSH3A4YNKBS6Z6ESA}

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

3 papers in Pith

Entanglement Certification $-$ From Theory to Experiment

Quantum Complexity and New Directions in Nuclear Physics and High-Energy Physics Phenomenology

Leggett-Garg Inequality Violations Bound Quantum Fisher Information

Receipt and verification

First computed	2026-05-18T04:02:01.047057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf07b29613a3e47d83986a832f67c4903777adcf33ddd1136f5c0414feb00ece

Aliases

arxiv: 1006.4366 · arxiv_version: 1006.4366v3 · doi: 10.48550/arxiv.1006.4366 · pith_short_12: Z4D3FFQTUPSH · pith_short_16: Z4D3FFQTUPSH3A4Y · pith_short_8: Z4D3FFQT

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/Z4D3FFQTUPSH3A4YNKBS6Z6ESA \
  | 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: cf07b29613a3e47d83986a832f67c4903777adcf33ddd1136f5c0414feb00ece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b23c68df29df616b7d6ac7bb04e875088bc22d9339725084d934f399de95868",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-22T20:06:09Z",
    "title_canon_sha256": "d7997566aacea6a2c2b4dc9d04d21fe4278bea2077b16cf2a681a45330f64d02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4366",
    "kind": "arxiv",
    "version": 3
  }
}