Pith Number

pith:CLT52OS5

pith:2025:CLT52OS5RW76AWMODMX2VXDBVO

not attested not anchored not stored refs pending

Violation of Bell Inequality with Unentangled Photons

Anton Zeilinger, Kai Wang, Kaiyi Qian, Leizhen Chen, Mario Krenn, Markus Aspelmeyer, Shining Zhu, Xiao-song Ma, Zhaohua Hou

arxiv:2507.07756 v1 · 2025-07-10 · 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{CLT52OS5RW76AWMODMX2VXDBVO}

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	2026-06-19T16:12:03.851205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12e7dd3a5d8dbfe0598e1b2faadc61ab8c80a46a185c4563ecdd28787cda2fd2

Aliases

arxiv: 2507.07756 · arxiv_version: 2507.07756v1 · doi: 10.48550/arxiv.2507.07756 · pith_short_12: CLT52OS5RW76 · pith_short_16: CLT52OS5RW76AWMO · pith_short_8: CLT52OS5

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/CLT52OS5RW76AWMODMX2VXDBVO \
  | 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: 12e7dd3a5d8dbfe0598e1b2faadc61ab8c80a46a185c4563ecdd28787cda2fd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ca7935e960c2f10a5796cf9213cd25f1607e044d5403e2fa854f6fb68bc357",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-10T13:34:14Z",
    "title_canon_sha256": "d467ffdef0194a6b2d9461048cc5367312267167612d624ddfdb12d11448b10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07756",
    "kind": "arxiv",
    "version": 1
  }
}