Pith Number

pith:Q2LJLZSK

pith:2002:Q2LJLZSK3VXDDXS2VO2TPIOZKP

not attested not anchored not stored refs pending

The basic gerbe over a compact simple Lie group

Eckhard Meinrenken

arxiv:math/0209194 v3 · 2002-09-16 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2LJLZSK3VXDDXS2VO2TPIOZKP}

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.

Cited by

1 paper in Pith

Hilbert Space and Defect Hilbert Spaces Associated with Categorical Symmetries

Receipt and verification

First computed	2026-05-18T04:08:43.168391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869695e64add6e31de5aabb537a1d953e1f93a7d574dba564bf145707b59b081

Aliases

arxiv: math/0209194 · arxiv_version: math/0209194v3 · doi: 10.48550/arxiv.math/0209194 · pith_short_12: Q2LJLZSK3VXD · pith_short_16: Q2LJLZSK3VXDDXS2 · pith_short_8: Q2LJLZSK

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/Q2LJLZSK3VXDDXS2VO2TPIOZKP \
  | 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: 869695e64add6e31de5aabb537a1d953e1f93a7d574dba564bf145707b59b081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c21aa7e2b596aeb0e577da2009e8058b4e5dee3879ddf7e14dc9cd45669b64",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2002-09-16T15:28:47Z",
    "title_canon_sha256": "232e26f3d0e8bca620ea73de688e3ff64f944266e39f429caac6ad66043ef430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0209194",
    "kind": "arxiv",
    "version": 3
  }
}