Pith Number

pith:D6F4WNP2

pith:2026:D6F4WNP2B5MRV3BAEHTYW5JSO2

not attested not anchored not stored refs pending

Generalisable presentations and compactness properties of locally compact right-angled Artin groups

Bianca Marchionna, Brita Nucinkis, Ilaria Castellano, Yuri Santos Rego

arxiv:2605.28963 v1 · 2026-05-27 · math.GR · math.AT · math.GT · 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{D6F4WNP2B5MRV3BAEHTYW5JSO2}

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	2026-05-29T01:04:41.730126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f8bcb35fa0f591aec2021e78b753276ba98f273410f65726007ccc6709b0bca

Aliases

arxiv: 2605.28963 · arxiv_version: 2605.28963v1 · doi: 10.48550/arxiv.2605.28963 · pith_short_12: D6F4WNP2B5MR · pith_short_16: D6F4WNP2B5MRV3BA · pith_short_8: D6F4WNP2

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/D6F4WNP2B5MRV3BAEHTYW5JSO2 \
  | 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: 1f8bcb35fa0f591aec2021e78b753276ba98f273410f65726007ccc6709b0bca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e9d90a03251b97f088e98174b6ba3cad15a1da243a0ac057ce9fb93c8b88df",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-05-27T18:07:35Z",
    "title_canon_sha256": "1f624f439391cc1769f89bd03af73d82eb3ac9212ffde118499ba4bde75cf62a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28963",
    "kind": "arxiv",
    "version": 1
  }
}