Pith Number

pith:OM7NKPSX

pith:2009:OM7NKPSXBRW5CO4U4EQ3PWAMU3

not attested not anchored not stored refs pending

Measurements incompatible in Quantum Theory cannot be measured jointly in any other local theory

Carlos Fernandez, David Perez-Garcia, Michael M. Wolf

arxiv:0905.2998 v1 · 2009-05-18 · 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{OM7NKPSXBRW5CO4U4EQ3PWAMU3}

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	2026-05-18T03:24:06.319979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

733ed53e570c6dd13b94e121b7d80ca6c6e279dac94c94c198a7412d501ef77b

Aliases

arxiv: 0905.2998 · arxiv_version: 0905.2998v1 · doi: 10.48550/arxiv.0905.2998 · pith_short_12: OM7NKPSXBRW5 · pith_short_16: OM7NKPSXBRW5CO4U · pith_short_8: OM7NKPSX

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/OM7NKPSXBRW5CO4U4EQ3PWAMU3 \
  | 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: 733ed53e570c6dd13b94e121b7d80ca6c6e279dac94c94c198a7412d501ef77b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "283acb28d12963060b52ef7f85052afe1f3a5915deb81efe03104115dcf3bbf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-18T22:36:58Z",
    "title_canon_sha256": "0bc81e8219522f295b37203c98a9ee4f76af59f0018a57372873c08672c8e85f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2998",
    "kind": "arxiv",
    "version": 1
  }
}