Pith Number

pith:DA7SZHT7

pith:2015:DA7SZHT7EW6DNNQX5ONQ3FFNV3

not attested not anchored not stored refs pending

Abelian splittings of Right-Angled Artin Groups

Daniel Groves, Michael Hull

arxiv:1502.00129 v1 · 2015-01-31 · 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{DA7SZHT7EW6DNNQX5ONQ3FFNV3}

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	2026-05-18T02:28:12.710404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183f2c9e7f25bc36b617eb9b0d94adaed9278cb85b07a2b965b3204eb396cef8

Aliases

arxiv: 1502.00129 · arxiv_version: 1502.00129v1 · doi: 10.48550/arxiv.1502.00129 · pith_short_12: DA7SZHT7EW6D · pith_short_16: DA7SZHT7EW6DNNQX · pith_short_8: DA7SZHT7

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/DA7SZHT7EW6DNNQX5ONQ3FFNV3 \
  | 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: 183f2c9e7f25bc36b617eb9b0d94adaed9278cb85b07a2b965b3204eb396cef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee458a7dce57065cafa29f1023445de569b95b311d9a50539ef4d896ecf41d8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-01-31T15:57:31Z",
    "title_canon_sha256": "3e93f9c6debddd0044204e4a24a69a0c0692019bf58558ddf174f0554f532a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00129",
    "kind": "arxiv",
    "version": 1
  }
}