Pith Number

pith:YMLH3F4X

pith:2012:YMLH3F4X72FMIAKZJNFMOZNQ4V

not attested not anchored not stored refs pending

Triangle Tiling I: The tile is similar to ABC or has a right angle

Michael Beeson

arxiv:1206.2231 v1 · 2012-06-05 · 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{YMLH3F4X72FMIAKZJNFMOZNQ4V}

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	2026-05-18T03:53:53.085953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3167d9797fe8ac401594b4ac765b0e56cd7aeea0f0a2a30f4447f4361e5f040

Aliases

arxiv: 1206.2231 · arxiv_version: 1206.2231v1 · doi: 10.48550/arxiv.1206.2231 · pith_short_12: YMLH3F4X72FM · pith_short_16: YMLH3F4X72FMIAKZ · pith_short_8: YMLH3F4X

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/YMLH3F4X72FMIAKZJNFMOZNQ4V \
  | 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: c3167d9797fe8ac401594b4ac765b0e56cd7aeea0f0a2a30f4447f4361e5f040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89bf87c97c5d35f6f251124c863c54cda43d0db5b8ca7413e5de7bd302c8f645",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-06-05T00:41:49Z",
    "title_canon_sha256": "e46508c6104eb17a604427040f7bbfe4212f3e0cce8ab460513503e14a710250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2231",
    "kind": "arxiv",
    "version": 1
  }
}