Pith Number

pith:COHSH7WN

pith:2018:COHSH7WNF6VCIAHOHV3YW5NN53

not attested not anchored not stored refs pending

On Picard groups of blocks of finite groups

Markus Linckelmann, Radha Kessar, Robert Boltje

arxiv:1805.08902 v1 · 2018-05-22 · math.RT · 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{COHSH7WNF6VCIAHOHV3YW5NN53}

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	2026-05-18T00:15:09.120018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

138f23fecd2faa2400ee3d778b75adeec638c0506c869ac7a2ec506d5dd05d82

Aliases

arxiv: 1805.08902 · arxiv_version: 1805.08902v1 · doi: 10.48550/arxiv.1805.08902 · pith_short_12: COHSH7WNF6VC · pith_short_16: COHSH7WNF6VCIAHO · pith_short_8: COHSH7WN

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/COHSH7WNF6VCIAHOHV3YW5NN53 \
  | 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: 138f23fecd2faa2400ee3d778b75adeec638c0506c869ac7a2ec506d5dd05d82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24bf882966ef5c151aeb5f3b91e6449fced32de6ef9d9faf6cb492e09add2c5d",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-05-22T23:11:14Z",
    "title_canon_sha256": "f377b941ef5357c1a24968af5805961e3fec943f3de404b71bee8227a3b335f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08902",
    "kind": "arxiv",
    "version": 1
  }
}