Pith Number

pith:GDV3NWXF

pith:1999:GDV3NWXFBMIQE7NBZ3BQVSFWK6

not attested not anchored not stored refs pending

Tomographic test of Bell's inequality

A. Garuccio, G. M. D'Ariano, L. Maccone, M. F. Sacchi

arxiv:quant-ph/9907091 v1 · 1999-07-28 · 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{GDV3NWXFBMIQE7NBZ3BQVSFWK6}

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	2026-05-18T04:25:39.407153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ebb6dae50b11027da1cec30ac8b657930db850c1b2285ba53ecdcef600d4e8

Aliases

arxiv: quant-ph/9907091 · arxiv_version: quant-ph/9907091v1 · doi: 10.48550/arxiv.quant-ph/9907091 · pith_short_12: GDV3NWXFBMIQ · pith_short_16: GDV3NWXFBMIQE7NB · pith_short_8: GDV3NWXF

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/GDV3NWXFBMIQE7NBZ3BQVSFWK6 \
  | 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: 30ebb6dae50b11027da1cec30ac8b657930db850c1b2285ba53ecdcef600d4e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ddf16c7db62fb2c02568c6f199502e5f6047098d0da85e6385bf9ecf80e9564",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-07-28T09:28:49Z",
    "title_canon_sha256": "c768cf0d4e3bfeb66fa8b642df6c37327c17608bbb20bd511fd44e2f8a280a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9907091",
    "kind": "arxiv",
    "version": 1
  }
}