Pith Number

pith:IGYS7VZB

pith:2018:IGYS7VZBDBBXBDOOIITZX7T6VM

not attested not anchored not stored refs pending

Special unipotent groups are split

Nguyen Duy Tan

arxiv:1807.11564 v1 · 2018-07-30 · 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{IGYS7VZBDBBXBDOOIITZX7T6VM}

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	2026-05-18T00:09:21.847678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b12fd7211843708dce42279bfe7eab263851e5caef286a3194d8ee5dee26eb

Aliases

arxiv: 1807.11564 · arxiv_version: 1807.11564v1 · doi: 10.48550/arxiv.1807.11564 · pith_short_12: IGYS7VZBDBBX · pith_short_16: IGYS7VZBDBBXBDOO · pith_short_8: IGYS7VZB

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/IGYS7VZBDBBXBDOOIITZX7T6VM \
  | 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: 41b12fd7211843708dce42279bfe7eab263851e5caef286a3194d8ee5dee26eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddd2b0b22fccf467ff10787c2ce3e9eda0ab4665fb47bdcd6de94561ffc21e44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-07-30T20:54:38Z",
    "title_canon_sha256": "aa81b11207be6fbc21eb2afb3c80a358189f728f8349b821eb3b357b97f7f3fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11564",
    "kind": "arxiv",
    "version": 1
  }
}