Pith. sign in
Pith Number

pith:OARFP7QH

pith:2019:OARFP7QHW3NRJOMOEMUS4OY4BP
not attested not anchored not stored refs pending

Anomalous values, Fisher information, and contextuality, in generalized quantum measurements

Fabrizio Piacentini, Ilaria Gianani, Ivo P. Degiovanni, Marco Barbieri, Valeria Cimini

arxiv:1909.00755 v1 · 2019-09-02 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OARFP7QHW3NRJOMOEMUS4OY4BP}

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 2026-07-05T00:01:12.843412Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

702257fe07b6db14b98e23292e3b1c0bdc075775f7bc7adae3a93535f2e5d13d

Aliases

arxiv: 1909.00755 · arxiv_version: 1909.00755v1 · doi: 10.48550/arxiv.1909.00755 · pith_short_12: OARFP7QHW3NR · pith_short_16: OARFP7QHW3NRJOMO · pith_short_8: OARFP7QH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OARFP7QHW3NRJOMOEMUS4OY4BP \
  | 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: 702257fe07b6db14b98e23292e3b1c0bdc075775f7bc7adae3a93535f2e5d13d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "96c070334c9e0fdae90ec9b1f3ffbd59d351ed2462102d209cbc293d61c0fd84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-02T15:02:37Z",
    "title_canon_sha256": "a2b5d4e682bb708125d901e834e0ebeffca924189a91bf4d3ee85b37f052438d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00755",
    "kind": "arxiv",
    "version": 1
  }
}