Pith Number

pith:55AIOOGK

pith:2016:55AIOOGKTM56ZOR6WG4QMH6E4U

not attested not anchored not stored refs pending

Quantum Fisher Information as a Predictor of Decoherence in the Preparation of Spin-Cat States for Quantum Metrology

Samuel P. Nolan, Simon A. Haine

arxiv:1611.00533 v4 · 2016-11-02 · 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{55AIOOGKTM56ZOR6WG4QMH6E4U}

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	2026-05-18T00:45:19.840157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef408738ca9b3becba3eb1b9061fc4e518a4c23df96ab15ac5325e73ec913d97

Aliases

arxiv: 1611.00533 · arxiv_version: 1611.00533v4 · doi: 10.48550/arxiv.1611.00533 · pith_short_12: 55AIOOGKTM56 · pith_short_16: 55AIOOGKTM56ZOR6 · pith_short_8: 55AIOOGK

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/55AIOOGKTM56ZOR6WG4QMH6E4U \
  | 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: ef408738ca9b3becba3eb1b9061fc4e518a4c23df96ab15ac5325e73ec913d97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5deab761d757d2788419a9cdc6e78181d17ceda8c85c6604eaf98ffdb0ed68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-02T10:20:30Z",
    "title_canon_sha256": "18809a6d7a45cd56ffb13f4bd59d5a8c486ff63626ff1c0bdddab2d885f17432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00533",
    "kind": "arxiv",
    "version": 4
  }
}