Pith Number

pith:O4UMKAAT

pith:1999:O4UMKAAT4TTJI5SC5T4GCXWYAL

not attested not anchored not stored refs pending

Optical Quantum Random Number Generator

Andr\'e Stefanov, Hugo Zbinden, Laurent Guinnard, Nicolas Gisin, Olivier Guinnard

arxiv:quant-ph/9907006 v1 · 1999-07-02 · 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{O4UMKAAT4TTJI5SC5T4GCXWYAL}

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	2026-05-18T01:37:52.440478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7728c50013e4e6947642ecf8615ed802e6c168f63b1b41332dc951a8c15f2529

Aliases

arxiv: quant-ph/9907006 · arxiv_version: quant-ph/9907006v1 · doi: 10.48550/arxiv.quant-ph/9907006 · pith_short_12: O4UMKAAT4TTJ · pith_short_16: O4UMKAAT4TTJI5SC · pith_short_8: O4UMKAAT

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/O4UMKAAT4TTJI5SC5T4GCXWYAL \
  | 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: 7728c50013e4e6947642ecf8615ed802e6c168f63b1b41332dc951a8c15f2529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e856340e8f40c6f2a6da46ae6572317fd21eeb3f1fec4fda13909c30463ec2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-07-02T08:21:02Z",
    "title_canon_sha256": "1116882180714cc3181c784be59503fdbb6a46167f0398082e4370f95af870ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9907006",
    "kind": "arxiv",
    "version": 1
  }
}