Pith Number

pith:PLY6BURW

pith:2000:PLY6BURWQ36HCZCN7TE5JABUIP

not attested not anchored not stored refs pending

Existential Contextuality and the Models of Meyer, Kent and Clifton

D.M. Appleby

arxiv:quant-ph/0005056 v4 · 2000-05-15 · 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{PLY6BURWQ36HCZCN7TE5JABUIP}

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	2026-07-04T16:22:21.103166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7af1e0d23686fc71644dfcc9d4803443c95f1ff512ec6c42c5194a2419e09903

Aliases

arxiv: quant-ph/0005056 · arxiv_version: quant-ph/0005056v4 · doi: 10.48550/arxiv.quant-ph/0005056 · pith_short_12: PLY6BURWQ36H · pith_short_16: PLY6BURWQ36HCZCN · pith_short_8: PLY6BURW

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/PLY6BURWQ36HCZCN7TE5JABUIP \
  | 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: 7af1e0d23686fc71644dfcc9d4803443c95f1ff512ec6c42c5194a2419e09903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e366393803dc5020addd3e1439aff6465fb816b14d660b663b1eac20451ce167",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-05-15T22:43:02Z",
    "title_canon_sha256": "94987d5303529eca217d0ea51f16678a571d1e1f6770bad1ede1f324da5ac0a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0005056",
    "kind": "arxiv",
    "version": 4
  }
}