Pith Number

pith:Z75RLSOG

pith:2009:Z75RLSOGWZZEXYWDTP5RFILQ4I

not attested not anchored not stored refs pending

Derived equivalence classification of the cluster-tilted algebras of Dynkin type E

Janine Bastian, Sefi Ladkani, Thorsten Holm

arxiv:0906.3422 v4 · 2009-06-18 · 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{Z75RLSOGWZZEXYWDTP5RFILQ4I}

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	2026-05-18T03:25:04.529455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cffb15c9c6b6724be2c39bfb12a170e23d3e55e5fc4255d6b420a0239fc67e86

Aliases

arxiv: 0906.3422 · arxiv_version: 0906.3422v4 · doi: 10.48550/arxiv.0906.3422 · pith_short_12: Z75RLSOGWZZE · pith_short_16: Z75RLSOGWZZEXYWD · pith_short_8: Z75RLSOG

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/Z75RLSOGWZZEXYWDTP5RFILQ4I \
  | 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: cffb15c9c6b6724be2c39bfb12a170e23d3e55e5fc4255d6b420a0239fc67e86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4b82d8fe94f6d5d867debc3ca9e99a15ae4bf96fde96061d550a00b405fee2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2009-06-18T12:17:35Z",
    "title_canon_sha256": "a34757ca56476b9ec93a63e5815dea4603b90539f21bb31a55cac85f1cbbf850"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3422",
    "kind": "arxiv",
    "version": 4
  }
}