Pith Number

pith:SEV24YPD

pith:2017:SEV24YPD5R66AK6YDZYMELBROG

not attested not anchored not stored refs pending

Deriving robust noncontextuality inequalities from algebraic proofs of the Kochen-Specker theorem: the Peres-Mermin square

Anirudh Krishna, Elie Wolfe, Robert W. Spekkens

arxiv:1704.01153 v2 · 2017-04-04 · 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{SEV24YPD5R66AK6YDZYMELBROG}

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	2026-05-18T00:24:31.356527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

912bae61e3ec7de02bd81e70c22c3171b9306d33a1d689325044bd013ef3c67a

Aliases

arxiv: 1704.01153 · arxiv_version: 1704.01153v2 · doi: 10.48550/arxiv.1704.01153 · pith_short_12: SEV24YPD5R66 · pith_short_16: SEV24YPD5R66AK6Y · pith_short_8: SEV24YPD

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/SEV24YPD5R66AK6YDZYMELBROG \
  | 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: 912bae61e3ec7de02bd81e70c22c3171b9306d33a1d689325044bd013ef3c67a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa37a4bea7c907e24c9a59c2f84214263663a9cdeef0e4ff2d91fbe23f7b41c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-04T18:47:44Z",
    "title_canon_sha256": "4a04d56e1304aba74b66bcd41546b575c6460724f976ea0d4211bb436f486f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01153",
    "kind": "arxiv",
    "version": 2
  }
}