Pith Number

pith:KT5SQ2LC

pith:2017:KT5SQ2LCASXRMN2WLEVEX6PE2O

not attested not anchored not stored refs pending

Exhaustive search of convex pentagons which tile the plane

Michael Rao

arxiv:1708.00274 v1 · 2017-08-01 · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KT5SQ2LCASXRMN2WLEVEX6PE2O}

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.

Cited by

1 paper in Pith

Edge-to-edge Tilings of the Sphere by Angle Congruent Pentagons

Receipt and verification

First computed	2026-05-18T00:39:05.618604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54fb28696204af163756592a4bf9e4d3b92c6e2920c4e3d4161a38cf30c1d061

Aliases

arxiv: 1708.00274 · arxiv_version: 1708.00274v1 · doi: 10.48550/arxiv.1708.00274 · pith_short_12: KT5SQ2LCASXR · pith_short_16: KT5SQ2LCASXRMN2W · pith_short_8: KT5SQ2LC

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/KT5SQ2LCASXRMN2WLEVEX6PE2O \
  | 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: 54fb28696204af163756592a4bf9e4d3b92c6e2920c4e3d4161a38cf30c1d061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f518f533836b9848a3c7f2f82925d7ddea4de79b5e9bc5b5eb70707fc0978dde",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-01T12:16:45Z",
    "title_canon_sha256": "d283c8af3ec35dea12c96449ffd886b5c0c15a07f4596e2bf7de96976c84677b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00274",
    "kind": "arxiv",
    "version": 1
  }
}