Pith Number

pith:IKPXKEJO

pith:2023:IKPXKEJOZ2VF72CXBBL5VOMFV4

not attested not anchored not stored refs pending

Custom Bell inequalities from formal sums of squares

Jean-Daniel Bancal, Pavel Sekatski, Victor Barizien

arxiv:2308.08601 v2 · 2023-08-16 · 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{IKPXKEJOZ2VF72CXBBL5VOMFV4}

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	2026-07-05T08:16:21.967270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429f75112eceaa5fe8570857dab985af2429aa93c37769cd86169f4cce4cdceb

Aliases

arxiv: 2308.08601 · arxiv_version: 2308.08601v2 · doi: 10.48550/arxiv.2308.08601 · pith_short_12: IKPXKEJOZ2VF · pith_short_16: IKPXKEJOZ2VF72CX · pith_short_8: IKPXKEJO

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/IKPXKEJOZ2VF72CXBBL5VOMFV4 \
  | 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: 429f75112eceaa5fe8570857dab985af2429aa93c37769cd86169f4cce4cdceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9a8d11af462eba36c9f4fa9495f9ac9f859869960209f8dcb301a3c78c35b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-08-16T18:00:05Z",
    "title_canon_sha256": "558891fded0f7d214b1e7feea71b373a3a12349a5ed747131a92ff416b6c9ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.08601",
    "kind": "arxiv",
    "version": 2
  }
}