Pith Number

pith:2UL4O5EI

pith:2025:2UL4O5EIOFJ344S6KUHJ2NJ3QY

not attested not anchored not stored refs pending

White Gaussian Noise Generation with a Vacuum State Quantum Entropy Source Chip

Bing Bai, Guan-Ru Qiao, Jia-Ying Wu, Jun Zhang, You-Qi Nie, Zi-Xuan Weng

arxiv:2503.04208 v1 · 2025-03-06 · 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{2UL4O5EIOFJ344S6KUHJ2NJ3QY}

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	2026-07-05T10:25:32.277181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d517c774887153be725e550e9d353b860b91f854b10c92f8173a8ce0cd08744d

Aliases

arxiv: 2503.04208 · arxiv_version: 2503.04208v1 · doi: 10.48550/arxiv.2503.04208 · pith_short_12: 2UL4O5EIOFJ3 · pith_short_16: 2UL4O5EIOFJ344S6 · pith_short_8: 2UL4O5EI

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/2UL4O5EIOFJ344S6KUHJ2NJ3QY \
  | 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: d517c774887153be725e550e9d353b860b91f854b10c92f8173a8ce0cd08744d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7b85b450b1feae48ddf69910375551ff3154e68f0547b5594258f6be0aa0a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-06T08:35:14Z",
    "title_canon_sha256": "f888ab9712a6d7f4dcc0bf057ed2edfa37833e2e1fd156006c76e7147702dbc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04208",
    "kind": "arxiv",
    "version": 1
  }
}