Pith Number

pith:74PC6OMB

pith:2014:74PC6OMBQ6UX244ZR2VMBKS3XG

not attested not anchored not stored refs pending

Optimisation of Bell inequalities with invariant Tsirelson bound

Dagmar Bru{\ss}, Hermann Kampermann, Michael Epping

arxiv:1402.0378 v1 · 2014-02-03 · 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{74PC6OMBQ6UX244ZR2VMBKS3XG}

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	2026-05-18T02:40:47.288835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff1e2f398187a97d73998eaac0aa5bb98214d400df73ded52fb9f5988a774917

Aliases

arxiv: 1402.0378 · arxiv_version: 1402.0378v1 · doi: 10.48550/arxiv.1402.0378 · pith_short_12: 74PC6OMBQ6UX · pith_short_16: 74PC6OMBQ6UX244Z · pith_short_8: 74PC6OMB

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/74PC6OMBQ6UX244ZR2VMBKS3XG \
  | 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: ff1e2f398187a97d73998eaac0aa5bb98214d400df73ded52fb9f5988a774917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7794bbdaf2c6fec2356d31910bd15e9b74bff71d6009e27c0ade7a6c367f18ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-03T13:24:36Z",
    "title_canon_sha256": "4144109ae643b14457c2a6787f7f7737148fc4cd9e91aa459eaeb5060afb363b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0378",
    "kind": "arxiv",
    "version": 1
  }
}