Pith Number

pith:VNSPRVBF

pith:2018:VNSPRVBFSRXNZNRH5OWA4GVZCM

not attested not anchored not stored refs pending

Certifying the building blocks of quantum computers from Bell's theorem

Jean-Daniel Bancal, Nicolas Sangouard, Pavel Sekatski, Sebastian Wagner

arxiv:1802.02170 v2 · 2018-02-06 · 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{VNSPRVBFSRXNZNRH5OWA4GVZCM}

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	2026-05-18T00:01:30.152275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab64f8d425946edcb627ebac0e1ab9133a27868103dd4f976f1612c47311328c

Aliases

arxiv: 1802.02170 · arxiv_version: 1802.02170v2 · doi: 10.48550/arxiv.1802.02170 · pith_short_12: VNSPRVBFSRXN · pith_short_16: VNSPRVBFSRXNZNRH · pith_short_8: VNSPRVBF

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/VNSPRVBFSRXNZNRH5OWA4GVZCM \
  | 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: ab64f8d425946edcb627ebac0e1ab9133a27868103dd4f976f1612c47311328c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b1d6b0c3021944e01a6351b6c7c0a0a21850716e8af44795977152f55e7d0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-06T19:03:40Z",
    "title_canon_sha256": "8687445dc74b60624cefbba1fed854ee940932e69355a155c5ee48f72e246840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02170",
    "kind": "arxiv",
    "version": 2
  }
}