Pith Number

pith:7XYVGSL4

pith:2012:7XYVGSL4FURIZ5FVOHPVZIWIMQ

not attested not anchored not stored refs pending

Proofs of the Kochen-Specker theorem based on a system of three qubits

Mordecai Waegell, P. K. Aravind

arxiv:1205.5015 v3 · 2012-05-22 · 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{7XYVGSL4FURIZ5FVOHPVZIWIMQ}

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	2026-05-18T01:57:24.350463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf153497c2d228cf4b571df5ca2c86419b9ba4ed5966fe90b2f457b0789c4fd

Aliases

arxiv: 1205.5015 · arxiv_version: 1205.5015v3 · doi: 10.48550/arxiv.1205.5015 · pith_short_12: 7XYVGSL4FURI · pith_short_16: 7XYVGSL4FURIZ5FV · pith_short_8: 7XYVGSL4

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/7XYVGSL4FURIZ5FVOHPVZIWIMQ \
  | 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: fdf153497c2d228cf4b571df5ca2c86419b9ba4ed5966fe90b2f457b0789c4fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "238eafadb0b69fb7fe26f6e8aec475aec2665f57a1ed1e926765a63b58d9dca5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-22T19:30:12Z",
    "title_canon_sha256": "14fffc9fe849ea93396ed8897fe06970f725282f402adacc13e08efea46a41c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5015",
    "kind": "arxiv",
    "version": 3
  }
}