Pith Number

pith:W7YZVY2A

pith:2019:W7YZVY2ABNUZCCQRT47TWQOHBU

not attested not anchored not stored refs pending

Exploring Bell inequalities for the device-independent certification of multipartite entanglement depth

Ching-Hsu Chen, Jui-Chen Hung, Pei-Sheng Lin, Yeong-Cherng Liang

arxiv:1903.02171 v3 · 2019-03-06 · 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{W7YZVY2ABNUZCCQRT47TWQOHBU}

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	2026-05-17T23:41:42.848521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7f19ae3400b69910a119f3f3b41c70d19ca35371234de02b5519fadffb427a0

Aliases

arxiv: 1903.02171 · arxiv_version: 1903.02171v3 · doi: 10.48550/arxiv.1903.02171 · pith_short_12: W7YZVY2ABNUZ · pith_short_16: W7YZVY2ABNUZCCQR · pith_short_8: W7YZVY2A

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/W7YZVY2ABNUZCCQRT47TWQOHBU \
  | 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: b7f19ae3400b69910a119f3f3b41c70d19ca35371234de02b5519fadffb427a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe6cef90867ca410cb9de85878e447c6b22c89ae49933e71800b9a2f91439cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-06T04:48:40Z",
    "title_canon_sha256": "cbf644b48315451118e3e922fc080248e4a3f3763f759bdc8f4f57a5af0812e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02171",
    "kind": "arxiv",
    "version": 3
  }
}