Pith Number

pith:LROWE4VR

pith:2015:LROWE4VR7VK4QMMX5YEUWAFBER

not attested not anchored not stored refs pending

Maximal entanglement of two delocalized spin-$\frac{1}{2}$ particles

Markus Johansson

arxiv:1509.02037 v2 · 2015-09-07 · 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{LROWE4VR7VK4QMMX5YEUWAFBER}

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	2026-05-18T01:20:03.484744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5d6272b1fd55c83197ee094b00a12471e9e12b5976e7d6929263521439a224

Aliases

arxiv: 1509.02037 · arxiv_version: 1509.02037v2 · doi: 10.48550/arxiv.1509.02037 · pith_short_12: LROWE4VR7VK4 · pith_short_16: LROWE4VR7VK4QMMX · pith_short_8: LROWE4VR

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/LROWE4VR7VK4QMMX5YEUWAFBER \
  | 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: 5c5d6272b1fd55c83197ee094b00a12471e9e12b5976e7d6929263521439a224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4beb34749adcce4e14aefc4b1521b2afec31fa2a350f36070a70cfff8edf14f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-07T13:33:06Z",
    "title_canon_sha256": "be20081dcfd34092c0c5c4a2a9d40209ccaf8feb7053c14f2c330c1b8845ab30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02037",
    "kind": "arxiv",
    "version": 2
  }
}