Pith Number

pith:SKTCWS4I

pith:2012:SKTCWS4IUG6JUJ2PDF7YZSNDUQ

not attested not anchored not stored refs pending

Tiling $R^{5}$ by Crosses

Peter Horak, Viliam Hromada

arxiv:1206.4436 v3 · 2012-06-20 · cs.IT · math.CO · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKTCWS4IUG6JUJ2PDF7YZSNDUQ}

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	2026-05-18T02:42:46.803280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a62b4b88a1bc9a274f197f8cc9a3a42efaf1f92b3707191b8fa17820b20a6e

Aliases

arxiv: 1206.4436 · arxiv_version: 1206.4436v3 · doi: 10.48550/arxiv.1206.4436 · pith_short_12: SKTCWS4IUG6J · pith_short_16: SKTCWS4IUG6JUJ2P · pith_short_8: SKTCWS4I

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/SKTCWS4IUG6JUJ2PDF7YZSNDUQ \
  | 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: 92a62b4b88a1bc9a274f197f8cc9a3a42efaf1f92b3707191b8fa17820b20a6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0e914f35d5661538fd94fef4cd85368814f4b0cc39ad83c9a8c46f0f469bcb1",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-06-20T10:01:55Z",
    "title_canon_sha256": "5afa37b7e3db0d625729d9188f5a661b14af3da1d815877f206341dfa73c4164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4436",
    "kind": "arxiv",
    "version": 3
  }
}