Pith Number

pith:EG4QPEZY

pith:1997:EG4QPEZYMJRRHHM4MEVES7C7OJ

not attested not anchored not stored refs pending

Equivalence between Bell's inequality and a constraint on stochastic field theories for EPR states

Lars M. Johansen

arxiv:quant-ph/9704032 v1 · 1997-04-17 · 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{EG4QPEZYMJRRHHM4MEVES7C7OJ}

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	2026-05-18T04:15:19.143480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b90793386263139d9c612a497c5f72487204df7b9d725d3f5b2ca4bdb12515

Aliases

arxiv: quant-ph/9704032 · arxiv_version: quant-ph/9704032v1 · doi: 10.48550/arxiv.quant-ph/9704032 · pith_short_12: EG4QPEZYMJRR · pith_short_16: EG4QPEZYMJRRHHM4 · pith_short_8: EG4QPEZY

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/EG4QPEZYMJRRHHM4MEVES7C7OJ \
  | 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: 21b90793386263139d9c612a497c5f72487204df7b9d725d3f5b2ca4bdb12515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3b87aaceea8db304f59dde9b69a98812f76aabd96f098309143e1cad4c9670",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-04-17T10:37:10Z",
    "title_canon_sha256": "a9b95b7ff8a1b8a90700ad307c9a4ea16647c6eb34e0ecffd71e585c13394bfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9704032",
    "kind": "arxiv",
    "version": 1
  }
}