Pith Number

pith:EGYTOTDX

pith:2018:EGYTOTDXUAA2QKZFVNF35OLU43

not attested not anchored not stored refs pending

How much randomness can be generated from a quantum black-box device?

Jonatan Bohr Brask, Marie Ioannou, Nicolas Brunner

arxiv:1811.02313 v2 · 2018-11-06 · 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{EGYTOTDXUAA2QKZFVNF35OLU43}

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	2026-05-17T23:44:58.646897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b1374c77a001a82b25ab4bbeb974e6ecacee6621210c04d636ee792035cb74

Aliases

arxiv: 1811.02313 · arxiv_version: 1811.02313v2 · doi: 10.48550/arxiv.1811.02313 · pith_short_12: EGYTOTDXUAA2 · pith_short_16: EGYTOTDXUAA2QKZF · pith_short_8: EGYTOTDX

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/EGYTOTDXUAA2QKZFVNF35OLU43 \
  | 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: 21b1374c77a001a82b25ab4bbeb974e6ecacee6621210c04d636ee792035cb74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c431301276527b1184ab82c49bcf20cabe6ec72da49c9b4cc48442f874fc57f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-11-06T12:17:23Z",
    "title_canon_sha256": "cd42fc92568fe390c7f4c1204c4b4c337edb56c6e9bde2a553468600549dc5c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02313",
    "kind": "arxiv",
    "version": 2
  }
}