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Pith Number

pith:DD72T7OG

pith:2019:DD72T7OG6RQ5XXMFWMD76HOAMD
not attested not anchored not stored refs pending

Kochen-Specker sets in four-dimensional spaces

Brandon Elford, Petr Lisonek

arxiv:1905.09443 v3 · 2019-05-23 · math.CO · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DD72T7OG6RQ5XXMFWMD76HOAMD}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T09:35:04.282259Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

18ffa9fdc6f461dbdd85b307ff1dc060d92766c8dca6d3b31ed82a9976f35b71

Aliases

arxiv: 1905.09443 · arxiv_version: 1905.09443v3 · doi: 10.48550/arxiv.1905.09443 · pith_short_12: DD72T7OG6RQ5 · pith_short_16: DD72T7OG6RQ5XXMF · pith_short_8: DD72T7OG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DD72T7OG6RQ5XXMFWMD76HOAMD \
  | 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: 18ffa9fdc6f461dbdd85b307ff1dc060d92766c8dca6d3b31ed82a9976f35b71
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1e0a685a1bb1bd33ae2cfce3cf44bfa95f1d57afb0d9a2952c8c80b575bea644",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-05-23T03:01:17Z",
    "title_canon_sha256": "e608a97df5603598ddee4ec6dfbca0e83e6e6d95c1d80035444a854ce0388ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09443",
    "kind": "arxiv",
    "version": 3
  }
}