Pith Number

pith:GZ4JA2D4

pith:2022:GZ4JA2D4TCMAI6UCKW4KLA226U

not attested not anchored not stored refs pending

Self-testing nonlocality without entanglement

Ivan \v{S}upi\'c, Nicolas Brunner

arxiv:2203.13171 v1 · 2022-03-24 · 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{GZ4JA2D4TCMAI6UCKW4KLA226U}

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.

Cited by

1 paper in Pith

Any gate of a quantum computer can be certified device-independently

Receipt and verification

First computed	2026-07-05T06:29:29.610736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

367890687c9898047a8255b8a5835af500b48901989666d5adee9982c3682f88

Aliases

arxiv: 2203.13171 · arxiv_version: 2203.13171v1 · doi: 10.48550/arxiv.2203.13171 · pith_short_12: GZ4JA2D4TCMA · pith_short_16: GZ4JA2D4TCMAI6UC · pith_short_8: GZ4JA2D4

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/GZ4JA2D4TCMAI6UCKW4KLA226U \
  | 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: 367890687c9898047a8255b8a5835af500b48901989666d5adee9982c3682f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "283c757656f170411ac06638e27d954cadfa77cdbd7ad1e9746d86f853d5e552",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-24T16:45:41Z",
    "title_canon_sha256": "f553c0f8cb76c4d551017b2fe220e3c7f6be57cca41d73c79737f3d01e2d7a87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13171",
    "kind": "arxiv",
    "version": 1
  }
}