Pith Number

pith:QOYIQQXO

pith:2019:QOYIQQXOMFTHWXK3O4FDBD7MYO

not attested not anchored not stored refs pending

Contextuality without access to a tomographically complete set

Bettina Meyer, L\'idia del Rio, Matthew F. Pusey

arxiv:1904.08699 v1 · 2019-04-18 · 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{QOYIQQXOMFTHWXK3O4FDBD7MYO}

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

2 papers in Pith

An extended Wigner's friend no-go theorem inspired by generalized contextuality

Warring Contextualities -- Provably Classical vs Provably Nonclassical

Receipt and verification

First computed	2026-05-17T23:48:13.332856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b08842ee61667b5d5b770a308fecc3897512c9e48e4b69a069dbfc68628005

Aliases

arxiv: 1904.08699 · arxiv_version: 1904.08699v1 · doi: 10.48550/arxiv.1904.08699 · pith_short_12: QOYIQQXOMFTH · pith_short_16: QOYIQQXOMFTHWXK3 · pith_short_8: QOYIQQXO

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/QOYIQQXOMFTHWXK3O4FDBD7MYO \
  | 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: 83b08842ee61667b5d5b770a308fecc3897512c9e48e4b69a069dbfc68628005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28650844b6b5c7c44b33a551ed8c27192f41756d37d8c6b74343c44324c3386c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-18T11:25:21Z",
    "title_canon_sha256": "d22f41bd26e06990e795494d65491cfe9a6e3ad73e8998c63926077e0f1a9586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08699",
    "kind": "arxiv",
    "version": 1
  }
}