Pith Number

pith:DJFD3CX4

pith:2017:DJFD3CX4QOUB6GA2WQNRGMBJGD

not attested not anchored not stored refs pending

Covariance Bell inequalities

Cyril Branciard, Flavien Hirsch, Nicolas Brunner, Victor Pozsgay

arxiv:1710.02445 v1 · 2017-10-06 · 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{DJFD3CX4QOUB6GA2WQNRGMBJGD}

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	2026-05-18T00:27:12.729280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a4a3d8afc83a81f181ab41b13302930db6f28c2a5204e5ae10c8d9026638a4b

Aliases

arxiv: 1710.02445 · arxiv_version: 1710.02445v1 · doi: 10.48550/arxiv.1710.02445 · pith_short_12: DJFD3CX4QOUB · pith_short_16: DJFD3CX4QOUB6GA2 · pith_short_8: DJFD3CX4

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/DJFD3CX4QOUB6GA2WQNRGMBJGD \
  | 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: 1a4a3d8afc83a81f181ab41b13302930db6f28c2a5204e5ae10c8d9026638a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad27fa58b383e5bf64402da26a6dbcb3bc78eb37ccf1b6c388adcf11bcbe754b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-06T15:15:58Z",
    "title_canon_sha256": "4a116e7beb6c27ec717ffc1b90ccd9a58065c293bf1cb2d8e10bff5b6e20654b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02445",
    "kind": "arxiv",
    "version": 1
  }
}