Pith Number

pith:XBRK2VK5

pith:2020:XBRK2VK5W7ROOTXLE6BLK3HRTJ

not attested not anchored not stored refs pending

Bias-free source-independent quantum random number generator

Hong Guo, Min Huang, Song Yu, Yi-Chen Zhang, Ziyang Chen, Ziyong Zheng

arxiv:2007.08046 v1 · 2020-07-16 · 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{XBRK2VK5W7ROOTXLE6BLK3HRTJ}

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	2026-07-05T01:19:43.178328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b862ad555db7e2e74eeb2782b56cf19a4c8d0c511f828c80094453aaf8abbd3c

Aliases

arxiv: 2007.08046 · arxiv_version: 2007.08046v1 · doi: 10.48550/arxiv.2007.08046 · pith_short_12: XBRK2VK5W7RO · pith_short_16: XBRK2VK5W7ROOTXL · pith_short_8: XBRK2VK5

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/XBRK2VK5W7ROOTXLE6BLK3HRTJ \
  | 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: b862ad555db7e2e74eeb2782b56cf19a4c8d0c511f828c80094453aaf8abbd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1710fad275e9bdded068aec8ef9107140372a5cfcd81d7182969ff7066e31708",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-07-16T00:32:58Z",
    "title_canon_sha256": "578ff8f02e6418c1fdf4cf26893539e62180e466e88387fdd51814fc44640988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08046",
    "kind": "arxiv",
    "version": 1
  }
}