Pith Number

pith:TOM5LAQN

pith:2014:TOM5LAQNJZB2I7TXGCYC3LT3ZL

not attested not anchored not stored refs pending

A note on groups of a family of hyperbolic tessellations

Anthony Gasperin, Maurice Margenstern

arxiv:1402.4337 v1 · 2014-02-18 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOM5LAQNJZB2I7TXGCYC3LT3ZL}

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	2026-05-18T02:58:44.175446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b99d5820d4e43a47e7730b02dae7bcadc0ea98d1af7a28334daab1501627f18

Aliases

arxiv: 1402.4337 · arxiv_version: 1402.4337v1 · doi: 10.48550/arxiv.1402.4337 · pith_short_12: TOM5LAQNJZB2 · pith_short_16: TOM5LAQNJZB2I7TX · pith_short_8: TOM5LAQN

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/TOM5LAQNJZB2I7TXGCYC3LT3ZL \
  | 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: 9b99d5820d4e43a47e7730b02dae7bcadc0ea98d1af7a28334daab1501627f18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee5e7538a33404a226845dd4e279ab11cf55fdde17b8f28bb9c028e1e1103a7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-02-18T13:58:05Z",
    "title_canon_sha256": "9d8f220a2e0afd79e4a6667d346d918035087c162cddec3667dbf80e74b96109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4337",
    "kind": "arxiv",
    "version": 1
  }
}