Pith Number

pith:QJAHZ5PQ

pith:2011:QJAHZ5PQEEDA53BX65FC4GJT3V

not attested not anchored not stored refs pending

A Kochen-Specker inequality from a SIC

Adan Cabello, Ingemar Bengtsson, Kate Blanchfield

arxiv:1109.6514 v2 · 2011-09-29 · 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{QJAHZ5PQEEDA53BX65FC4GJT3V}

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	2026-05-18T02:00:21.546849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82407cf5f021060eec37f74a2e1933dd457f2271e0d88783b951a92ab5883bd3

Aliases

arxiv: 1109.6514 · arxiv_version: 1109.6514v2 · doi: 10.48550/arxiv.1109.6514 · pith_short_12: QJAHZ5PQEEDA · pith_short_16: QJAHZ5PQEEDA53BX · pith_short_8: QJAHZ5PQ

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/QJAHZ5PQEEDA53BX65FC4GJT3V \
  | 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: 82407cf5f021060eec37f74a2e1933dd457f2271e0d88783b951a92ab5883bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f2651193669fcd1b187a6838be258f0126bcab8807288cb00e8ab22daefaa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-29T12:59:35Z",
    "title_canon_sha256": "6e0fae5128f48d3ca214f3d4c252986446e9f48fa630fbafa24c2d30357b8700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6514",
    "kind": "arxiv",
    "version": 2
  }
}