Pith Number

pith:LDJSX34S

pith:2018:LDJSX34SAEVUNN4XEEUX5WAXXI

not attested not anchored not stored refs pending

Soluble groups with no $\mathbb{Z} \wr \mathbb{Z}$ sections

Lison Jacoboni, Peter Kropholler

arxiv:1805.11497 v1 · 2018-05-29 · 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{LDJSX34SAEVUNN4XEEUX5WAXXI}

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	2026-05-18T00:14:42.286880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d32bef92012b46b79721297ed817ba26e97efb3261298e5e249aad45fc8fe9

Aliases

arxiv: 1805.11497 · arxiv_version: 1805.11497v1 · doi: 10.48550/arxiv.1805.11497 · pith_short_12: LDJSX34SAEVU · pith_short_16: LDJSX34SAEVUNN4X · pith_short_8: LDJSX34S

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/LDJSX34SAEVUNN4XEEUX5WAXXI \
  | 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: 58d32bef92012b46b79721297ed817ba26e97efb3261298e5e249aad45fc8fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433900a028f97486ee3e1642a62ba265aa4c34ab4491d2f01a89959ffb40c313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-05-29T14:27:54Z",
    "title_canon_sha256": "fbc93c9cf66e56613288c222b2ea43fb31b4d3c31fe8a29c720c27996dde6155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11497",
    "kind": "arxiv",
    "version": 1
  }
}