Pith Number

pith:QSVPMYQN

pith:2010:QSVPMYQNS5SQ45RBMQ2N6CKEB6

not attested not anchored not stored refs pending

On the Cartan matrix of Mackey algebras

Serge Bouc (LAMFA)

arxiv:1001.0321 v2 · 2010-01-02 · math.GR · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSVPMYQNS5SQ45RBMQ2N6CKEB6}

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	2026-05-18T04:41:25.104638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84aaf6620d97650e76216434df09440fb523fa91ea31f8d7e875502706d25341

Aliases

arxiv: 1001.0321 · arxiv_version: 1001.0321v2 · doi: 10.48550/arxiv.1001.0321 · pith_short_12: QSVPMYQNS5SQ · pith_short_16: QSVPMYQNS5SQ45RB · pith_short_8: QSVPMYQN

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/QSVPMYQNS5SQ45RBMQ2N6CKEB6 \
  | 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: 84aaf6620d97650e76216434df09440fb523fa91ea31f8d7e875502706d25341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a965c630dd41e9ced1ab019df3634f4929b7271f9690437bec8e91faa02641e2",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2010-01-02T17:04:12Z",
    "title_canon_sha256": "0521174b431e44ae80b777a59834f0ff678d9c8290c0a197738529d31ffda864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0321",
    "kind": "arxiv",
    "version": 2
  }
}