Pith Number

pith:GCHVGV44

pith:2013:GCHVGV44GOGL6CVSBGOZFNIM3I

not attested not anchored not stored refs pending

Entropic inequalities as a necessary and sufficient condition to noncontextuality and locality

Rafael Chaves

arxiv:1301.5714 v1 · 2013-01-24 · 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{GCHVGV44GOGL6CVSBGOZFNIM3I}

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	2026-05-18T03:20:20.458587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

308f53579c338cbf0ab2099d92b50cda0046649be1ef8654375561ec2d613582

Aliases

arxiv: 1301.5714 · arxiv_version: 1301.5714v1 · doi: 10.48550/arxiv.1301.5714 · pith_short_12: GCHVGV44GOGL · pith_short_16: GCHVGV44GOGL6CVS · pith_short_8: GCHVGV44

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/GCHVGV44GOGL6CVSBGOZFNIM3I \
  | 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: 308f53579c338cbf0ab2099d92b50cda0046649be1ef8654375561ec2d613582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "555e954436c66771872e7b09ee1000ac51c3a3203a31d01e8b5f3f9cf59f7d48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-24T07:04:25Z",
    "title_canon_sha256": "01616d3088f76a828396fe5354e0718f40a57846ede461136179c5af45534eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5714",
    "kind": "arxiv",
    "version": 1
  }
}