Pith Number

pith:2S4HZVEN

pith:2017:2S4HZVENKRZ2OVJAELEP4XX3FF

not attested not anchored not stored refs pending

The pro-$p$ group of upper unitriangular matrices

Nadia Mazza

arxiv:1701.03024 v1 · 2017-01-11 · 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{2S4HZVENKRZ2OVJAELEP4XX3FF}

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	2026-05-18T00:52:59.518840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4b87cd48d5473a7552022c8fe5efb2941ac94d9eac93ee22741b2460731863b

Aliases

arxiv: 1701.03024 · arxiv_version: 1701.03024v1 · doi: 10.48550/arxiv.1701.03024 · pith_short_12: 2S4HZVENKRZ2 · pith_short_16: 2S4HZVENKRZ2OVJA · pith_short_8: 2S4HZVEN

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/2S4HZVENKRZ2OVJAELEP4XX3FF \
  | 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: d4b87cd48d5473a7552022c8fe5efb2941ac94d9eac93ee22741b2460731863b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e1ec2ec984c3805601e0f2a9a0682ccdc244b3cb154fd8b21d24bf18df3c26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-01-11T15:36:38Z",
    "title_canon_sha256": "7768e643968918659c0e858cdfe8500d682565a38714519f1ab6b0a25a002760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03024",
    "kind": "arxiv",
    "version": 1
  }
}