Pith Number

pith:VVGFOY2O

pith:2012:VVGFOY2OTMAXAYZIKVC46X3H6D

not attested not anchored not stored refs pending

Entropic Test of Quantum Contextuality

Dagomir Kaszlikowski, Pawel Kurzynski, Ravishankar Ramanathan

arxiv:1201.2865 v2 · 2012-01-13 · 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{VVGFOY2OTMAXAYZIKVC46X3H6D}

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	2026-05-18T03:22:53.293612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4c57634e9b017063285545cf5f67f0d0596ba7132ad40a64aaa0f89dde91cc

Aliases

arxiv: 1201.2865 · arxiv_version: 1201.2865v2 · doi: 10.48550/arxiv.1201.2865 · pith_short_12: VVGFOY2OTMAX · pith_short_16: VVGFOY2OTMAXAYZI · pith_short_8: VVGFOY2O

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/VVGFOY2OTMAXAYZIKVC46X3H6D \
  | 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: ad4c57634e9b017063285545cf5f67f0d0596ba7132ad40a64aaa0f89dde91cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1fdac2e08064d91719b9be4ca2824b0a1866305a82de7a89a561ace6228bae4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-01-13T15:28:02Z",
    "title_canon_sha256": "a714f150607b28b418730c1f17ef0a2496f3f130e8c2f338a12799ed2b5370a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2865",
    "kind": "arxiv",
    "version": 2
  }
}