Pith Number

pith:ZUAJNYMD

pith:2019:ZUAJNYMDMBJEMXU7L62HOPA7HW

not attested not anchored not stored refs pending

Experimental Realization of Device-Independent Quantum Randomness Expansion

Bing Bai, Jian-Wei Pan, Jingyun Fan, Jun Zhang, Ming-Han Li, Qiang Zhang, Qi Zhao, Si-Ran Zhao, Wen-Zhao Liu, William J. Munro, Xingjian Zhang, Xiongfeng Ma, Yanbao Zhang, Yang Liu, Yuxiang Peng

arxiv:1902.07529 v3 · 2019-02-20 · 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{ZUAJNYMDMBJEMXU7L62HOPA7HW}

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	2026-07-05T02:15:08.295226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd0096e1836052465e9f5fb4773c1f3db6ada09dd88c719452e553744f3306bd

Aliases

arxiv: 1902.07529 · arxiv_version: 1902.07529v3 · doi: 10.48550/arxiv.1902.07529 · pith_short_12: ZUAJNYMDMBJE · pith_short_16: ZUAJNYMDMBJEMXU7 · pith_short_8: ZUAJNYMD

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/ZUAJNYMDMBJEMXU7L62HOPA7HW \
  | 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: cd0096e1836052465e9f5fb4773c1f3db6ada09dd88c719452e553744f3306bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5fbea8eb29a2937a13eb5683ca65e29df947c7e83b68f68ca413831084822d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-20T12:06:43Z",
    "title_canon_sha256": "cca3a3e2839cd3c67f9cbf7c139351c44d0ed222759a14cebc669cbd5f932c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07529",
    "kind": "arxiv",
    "version": 3
  }
}