Pith Number

pith:UPU3N3TB

pith:2011:UPU3N3TBJH7YMQ2EMPP2I2YQDJ

not attested not anchored not stored refs pending

Violation of a Bell inequality in two-dimensional spin-orbit hypoentangled subspaces

Lixiang Chen, Xiancong Lu, Zhongqun Cheng

arxiv:1109.4303 v1 · 2011-09-20 · 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{UPU3N3TBJH7YMQ2EMPP2I2YQDJ}

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	2026-05-18T02:00:28.781458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e9b6ee6149ff86434463dfa46b101a53845ee6cedcf2efc2173823ff37a46d

Aliases

arxiv: 1109.4303 · arxiv_version: 1109.4303v1 · doi: 10.48550/arxiv.1109.4303 · pith_short_12: UPU3N3TBJH7Y · pith_short_16: UPU3N3TBJH7YMQ2E · pith_short_8: UPU3N3TB

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/UPU3N3TBJH7YMQ2EMPP2I2YQDJ \
  | 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: a3e9b6ee6149ff86434463dfa46b101a53845ee6cedcf2efc2173823ff37a46d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8edf7762acaf4c81918cf189bca8ee7c5376e4a10f89a824e92f658afd5d89e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-20T14:21:28Z",
    "title_canon_sha256": "54b70396d4247d70ff17b50b0e84f3751ff9568f901542915ceaed08ae077c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4303",
    "kind": "arxiv",
    "version": 1
  }
}