Pith Number

pith:P6KGC6BD

pith:2019:P6KGC6BDBSAZDA7NLHCHE2KBCI

not attested not anchored not stored refs pending

A comparative study of local quantum Fisher information and local quantum uncertainty in Heisenberg $XY$ model

A. Slaoui, L. Bakmou, M. Daoud, R. Ahl Laamara

arxiv:1904.12132 v1 · 2019-04-27 · 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{P6KGC6BDBSAZDA7NLHCHE2KBCI}

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.

Receipt and verification

First computed	2026-05-17T23:47:38.889260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f946178230c819183ed59c472694112350ce4d6aada729440079cf6e0aae24e

Aliases

arxiv: 1904.12132 · arxiv_version: 1904.12132v1 · doi: 10.48550/arxiv.1904.12132 · pith_short_12: P6KGC6BDBSAZ · pith_short_16: P6KGC6BDBSAZDA7N · pith_short_8: P6KGC6BD

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/P6KGC6BDBSAZDA7NLHCHE2KBCI \
  | 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: 7f946178230c819183ed59c472694112350ce4d6aada729440079cf6e0aae24e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b331c577cbd779fc3f4719c5923ad46251d92c37ebfe3016e4cd07925a670060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-27T09:17:05Z",
    "title_canon_sha256": "0fa3b83022b7a2e6ffee73b48e6ec4974863a00e8138510535cb6f0ffe6151b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12132",
    "kind": "arxiv",
    "version": 1
  }
}