Pith Number

pith:574WJPOK

pith:2019:574WJPOK463BUQPVLG3JYFAKSU

not attested not anchored not stored refs pending

Practical self-testing quantum random number generator based on an energy bound

Anthony Martin, Davide Rusca, Hugo Zbinden, Jonatan Bohr Brask, Nicolas Brunner, Stefano Pironio, Thomas Van Himbeeck, Weixu Shi

arxiv:1904.04819 v2 · 2019-04-09 · 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{574WJPOK463BUQPVLG3JYFAKSU}

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	2026-07-05T00:30:04.440226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eff964bdcae7b61a41f559b69c140a9513dcc9a43a79525f0bace2a5a450fa4d

Aliases

arxiv: 1904.04819 · arxiv_version: 1904.04819v2 · doi: 10.48550/arxiv.1904.04819 · pith_short_12: 574WJPOK463B · pith_short_16: 574WJPOK463BUQPV · pith_short_8: 574WJPOK

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/574WJPOK463BUQPVLG3JYFAKSU \
  | 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: eff964bdcae7b61a41f559b69c140a9513dcc9a43a79525f0bace2a5a450fa4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c785a0595502c9534a1a1dc3aae6e3318a49e03258b3fc4058ad70b4435bff49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-09T17:58:21Z",
    "title_canon_sha256": "d84a38691bc8daf205424fa9e27ea7835b69c80cace0a2643869a14da86baa3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04819",
    "kind": "arxiv",
    "version": 2
  }
}