Pith Number

pith:FTWJ4ISB

pith:2018:FTWJ4ISB6HNNZXTW5ZRBZFVBOD

not attested not anchored not stored refs pending

Enhancing quantum entropy in vacuum-based quantum random number generator

Chen Cheng, Mingchuan Wu, Pu Li, Ripeng Liu, Xiaomin Guo, Yanqiang Guo

arxiv:1805.10506 v2 · 2018-05-26 · 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{FTWJ4ISB6HNNZXTW5ZRBZFVBOD}

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	2026-05-18T00:00:55.591338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cec9e2241f1dadcde76ee621c96a170e07022c98f4ad9be6559134ed32e49ca

Aliases

arxiv: 1805.10506 · arxiv_version: 1805.10506v2 · doi: 10.48550/arxiv.1805.10506 · pith_short_12: FTWJ4ISB6HNN · pith_short_16: FTWJ4ISB6HNNZXTW · pith_short_8: FTWJ4ISB

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/FTWJ4ISB6HNNZXTW5ZRBZFVBOD \
  | 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: 2cec9e2241f1dadcde76ee621c96a170e07022c98f4ad9be6559134ed32e49ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0806301d9f28c401969f4d5e2938ab2aba079eaa6c92a00778269101474d67c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-26T17:08:06Z",
    "title_canon_sha256": "5b75a03f06b319957e026c645523a0a54dd439d291d28265aaffa354b69fb700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10506",
    "kind": "arxiv",
    "version": 2
  }
}