Pith Number

pith:KDP2GMSS

pith:2013:KDP2GMSS3VWTNDOM4UHV22QHRG

not attested not anchored not stored refs pending

Kochen-Specker set with seven contexts

Adan Cabello, Jose R. Portillo, Petr Lisonek, Piotr Badziag

arxiv:1308.6012 v2 · 2013-08-27 · 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{KDP2GMSS3VWTNDOM4UHV22QHRG}

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	2026-05-18T02:53:41.195181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50dfa33252dd6d368dcce50f5d6a078989f892ac6810c80bbacfd1bdd06e1168

Aliases

arxiv: 1308.6012 · arxiv_version: 1308.6012v2 · doi: 10.48550/arxiv.1308.6012 · pith_short_12: KDP2GMSS3VWT · pith_short_16: KDP2GMSS3VWTNDOM · pith_short_8: KDP2GMSS

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/KDP2GMSS3VWTNDOM4UHV22QHRG \
  | 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: 50dfa33252dd6d368dcce50f5d6a078989f892ac6810c80bbacfd1bdd06e1168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b7bc4612c4d36f4ab4c79f6e92e295befccf0ed771e8def2450b7afbe33b1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-27T23:23:26Z",
    "title_canon_sha256": "c1b7673d32cb2bb4185f1bc1e43bbc81cda0909cd9b50454200982c8ce691114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6012",
    "kind": "arxiv",
    "version": 2
  }
}