Pith Number

pith:A4WLP7L7

pith:1999:A4WLP7L775RQQMGQP4T2WLM6ME

not attested not anchored not stored refs pending

Finite precision measurement nullifies the Kochen-Specker theorem

David A. Meyer (University of California/San Diego)

arxiv:quant-ph/9905080 v2 · 1999-05-24 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4WLP7L775RQQMGQP4T2WLM6ME}

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.

Cited by

1 paper in Pith

Chromatic Quantum Contextuality

Receipt and verification

First computed	2026-07-04T15:36:42.919774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

072cb7fd7fff630830d07f27ab2d9e613403b2981d652d36baed144dcf8db767

Aliases

arxiv: quant-ph/9905080 · arxiv_version: quant-ph/9905080v2 · doi: 10.48550/arxiv.quant-ph/9905080 · pith_short_12: A4WLP7L775RQ · pith_short_16: A4WLP7L775RQQMGQ · pith_short_8: A4WLP7L7

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/A4WLP7L775RQQMGQP4T2WLM6ME \
  | 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: 072cb7fd7fff630830d07f27ab2d9e613403b2981d652d36baed144dcf8db767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96a121b629c317fdc73b9bc0bf59066b139cfc9ce4a65a733b92f54772bf5b94",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-05-24T21:57:07Z",
    "title_canon_sha256": "8402c7a13d3f05d553cff4298bd6d54525fdcdf8ded45d3dd9dfc729585886f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9905080",
    "kind": "arxiv",
    "version": 2
  }
}