Pith Number

pith:V4P5AYXM

pith:2022:V4P5AYXMZGF4UDEFXVZAX5QEYT

not attested not anchored not stored refs pending

Provably-secure quantum randomness expansion with uncharacterised homodyne detection

Chao Wang, Charles Ci-Wen Lim, Gong Zhang, Hong Jie Ng, Ignatius William Primaatmaja, Jianran Zhang, Jing Yan Haw, Raymond Ho

arxiv:2206.03660 v2 · 2022-06-08 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4P5AYXMZGF4UDEFXVZAX5QEYT}

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	2026-07-05T05:41:19.926018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af1fd062ecc98bca0c85bd720bf604c4d6e9319555d0398a83c194ce67b0c633

Aliases

arxiv: 2206.03660 · arxiv_version: 2206.03660v2 · doi: 10.48550/arxiv.2206.03660 · pith_short_12: V4P5AYXMZGF4 · pith_short_16: V4P5AYXMZGF4UDEF · pith_short_8: V4P5AYXM

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/V4P5AYXMZGF4UDEFXVZAX5QEYT \
  | 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: af1fd062ecc98bca0c85bd720bf604c4d6e9319555d0398a83c194ce67b0c633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1198cba5f4da4c33b186dd0696129be67fce483fe42e30e5471aa35e25326b7b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-08T03:13:25Z",
    "title_canon_sha256": "0fc7d89b681ab342140682e80bc013db852a61de5a570007c5f7b6c6e27dbc6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.03660",
    "kind": "arxiv",
    "version": 2
  }
}