Pith Number

pith:HFKUW4YN

pith:2012:HFKUW4YNUKDC5XN7TR6SXU4MKC

not attested not anchored not stored refs pending

A higher quantum bound for the V\'ertesi-Bene-Bell-inequality and the role of POVMs regarding its threshold detection efficiency

E. S. G\'omez, G. Ca\~nas, G. Lima, J. F. Barra, L. Neves, W. A. T. Nogueira

arxiv:1207.0712 v2 · 2012-07-03 · 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{HFKUW4YNUKDC5XN7TR6SXU4MKC}

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	2026-05-18T01:56:35.306587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39554b730da2862eddbf9c7d2bd38c5093bd88022b4d3c86d030be222da83d0b

Aliases

arxiv: 1207.0712 · arxiv_version: 1207.0712v2 · doi: 10.48550/arxiv.1207.0712 · pith_short_12: HFKUW4YNUKDC · pith_short_16: HFKUW4YNUKDC5XN7 · pith_short_8: HFKUW4YN

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/HFKUW4YNUKDC5XN7TR6SXU4MKC \
  | 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: 39554b730da2862eddbf9c7d2bd38c5093bd88022b4d3c86d030be222da83d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b316db9ae3d36d5618f432527f984a8808b5b95d72d0cb86930f8db35ddd0102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-03T15:24:29Z",
    "title_canon_sha256": "b124b91518fe88521274673705cf41cdd5b949be7103e5448a5d58d48cc1364d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0712",
    "kind": "arxiv",
    "version": 2
  }
}