Pith Number

pith:2EJ7U677

pith:2014:2EJ7U677VDABMYYIDH4JQA65LO

not attested not anchored not stored refs pending

Automorphisms of Higher Rank Lamplighter Groups

Jennifer Taback, Melanie Stein, Peter Wong

arxiv:1412.2271 v2 · 2014-12-06 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EJ7U677VDABMYYIDH4JQA65LO}

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	2026-05-18T02:28:11.341759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d113fa7bffa8c016630819f89803dd5b8ece2b78d3399c8107a0313abb0db351

Aliases

arxiv: 1412.2271 · arxiv_version: 1412.2271v2 · doi: 10.48550/arxiv.1412.2271 · pith_short_12: 2EJ7U677VDAB · pith_short_16: 2EJ7U677VDABMYYI · pith_short_8: 2EJ7U677

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/2EJ7U677VDABMYYIDH4JQA65LO \
  | 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: d113fa7bffa8c016630819f89803dd5b8ece2b78d3399c8107a0313abb0db351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a12e97969ae023e80532c29171de029333c71c864a80c434d2d9dd3d66c5b9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-12-06T19:59:46Z",
    "title_canon_sha256": "e36e9afc5bf6d474ee08fe2f2f0a2700c13d5cf88a5840165bf4ac7ae1cfe4c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2271",
    "kind": "arxiv",
    "version": 2
  }
}