Pith Number

pith:WW4TR4UU

pith:2001:WW4TR4UUA62WIPWE5LC23WGPQP

not attested not anchored not stored refs pending

Verifying Atom Entanglement Schemes by Testing Bell's Inequality

Almut Beige, Ben Tregenna, Dimitris G. Angelakis, Peter L. Knight, William J. Munro

arxiv:quant-ph/0102079 v1 · 2001-02-16 · 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{WW4TR4UUA62WIPWE5LC23WGPQP}

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	2026-05-18T01:38:02.830509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b938f29407b5643ec4eac5add8cf83dabcdbe2f60eff87dac654a4dde1e4a5

Aliases

arxiv: quant-ph/0102079 · arxiv_version: quant-ph/0102079v1 · doi: 10.48550/arxiv.quant-ph/0102079 · pith_short_12: WW4TR4UUA62W · pith_short_16: WW4TR4UUA62WIPWE · pith_short_8: WW4TR4UU

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/WW4TR4UUA62WIPWE5LC23WGPQP \
  | 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: b5b938f29407b5643ec4eac5add8cf83dabcdbe2f60eff87dac654a4dde1e4a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6fd7f52aeac4d1659a6f111c881e684cbc47ee8539b250694baad7d7e74751",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-02-16T08:52:46Z",
    "title_canon_sha256": "4e55e4c65b32e9af2e4736c440269e93c1135b15024dae6a7191e9c6bacd27ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0102079",
    "kind": "arxiv",
    "version": 1
  }
}