Pith Number

pith:KKHRU2E2

pith:2023:KKHRU2E2PEUYOYVHMXI5MYESQR

not attested not anchored not stored refs pending

Selfextensions of modules over group algebras

Bernhard B\"ohmler, Karin Erdmann, Rene Marczinzik, Vikt\'oria Kl\'asz

arxiv:2310.12748 v2 · 2023-10-19 · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKHRU2E2PEUYOYVHMXI5MYESQR}

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	2026-07-05T07:07:18.015689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

528f1a689a79298762a765d1d66092846de9f31032d76c1d7f27731efb69166c

Aliases

arxiv: 2310.12748 · arxiv_version: 2310.12748v2 · doi: 10.48550/arxiv.2310.12748 · pith_short_12: KKHRU2E2PEUY · pith_short_16: KKHRU2E2PEUYOYVH · pith_short_8: KKHRU2E2

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/KKHRU2E2PEUYOYVHMXI5MYESQR \
  | 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: 528f1a689a79298762a765d1d66092846de9f31032d76c1d7f27731efb69166c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc0a294c28b89530b8086b0378e74cadd54dfeae578fc2aa46372e3c3baed6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2023-10-19T13:52:21Z",
    "title_canon_sha256": "fc5854c400f7bf22b1edacb601c3056d18246435e30397152316ea3648060d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.12748",
    "kind": "arxiv",
    "version": 2
  }
}