Pith Number

pith:U22WFDO4

pith:2018:U22WFDO4KV4DWFRIJJCFALWRU4

not attested not anchored not stored refs pending

Robust self-testing of quantum systems via noncontextuality inequalities

Ad\'an Cabello, Antonios Varvitsiotis, Kishor Bharti, Leong-Chuan Kwek, Maharshi Ray, Naqueeb Ahmad Warsi

arxiv:1812.07265 v3 · 2018-12-18 · 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{U22WFDO4KV4DWFRIJJCFALWRU4}

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	2026-05-17T23:41:45.532872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6b5628ddc55783b16284a44502ed1a70ea6cf621787307db3b4227d99687b78

Aliases

arxiv: 1812.07265 · arxiv_version: 1812.07265v3 · doi: 10.48550/arxiv.1812.07265 · pith_short_12: U22WFDO4KV4D · pith_short_16: U22WFDO4KV4DWFRI · pith_short_8: U22WFDO4

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/U22WFDO4KV4DWFRIJJCFALWRU4 \
  | 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: a6b5628ddc55783b16284a44502ed1a70ea6cf621787307db3b4227d99687b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1bee4c27d7cb8938841523bf9842c0bd060199bd7b334bdbae6b19c1f0c6188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-18T09:53:27Z",
    "title_canon_sha256": "3d791599424a95472a2a32348c6ac7ef0fccdff5fa0c4154ca1057e8ce154834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07265",
    "kind": "arxiv",
    "version": 3
  }
}