Pith Number

pith:DHVL3A64

pith:2014:DHVL3A64TZLQOTOKIMFYXHDMI5

not attested not anchored not stored refs pending

Kochen-Specker Theorem: Two Geometric Proofs

Cristian S. Calude, Karl Svozil, Peter H. Hertling

arxiv:1402.5195 v1 · 2014-02-21 · 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{DHVL3A64TZLQOTOKIMFYXHDMI5}

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	2026-05-18T02:58:22.854148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19eabd83dc9e57074dca430b8b9c6c47735493ee7f160842021b3f548b8a927b

Aliases

arxiv: 1402.5195 · arxiv_version: 1402.5195v1 · doi: 10.48550/arxiv.1402.5195 · pith_short_12: DHVL3A64TZLQ · pith_short_16: DHVL3A64TZLQOTOK · pith_short_8: DHVL3A64

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/DHVL3A64TZLQOTOKIMFYXHDMI5 \
  | 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: 19eabd83dc9e57074dca430b8b9c6c47735493ee7f160842021b3f548b8a927b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b51fdab533316531051b7d62289545aada7d5d36115fd859131a4c3f79721f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-21T03:33:20Z",
    "title_canon_sha256": "7a2f002a614571a49197e400db1512ad596c37c274a024ba455695d1c47d3b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5195",
    "kind": "arxiv",
    "version": 1
  }
}