Pith Number

pith:6ZM4WRFP

pith:2017:6ZM4WRFPPIJCONPKATHQQQPTDN

not attested not anchored not stored refs pending

Basic equivariant gerbes on non-simply connected compact simple Lie groups

Derek Krepski

arxiv:1712.08294 v1 · 2017-12-22 · math.DG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZM4WRFPPIJCONPKATHQQQPTDN}

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	2026-05-18T00:04:59.843840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f659cb44af7a122735ea04cf0841f31b7fc8a22961449aa2066c864ac43e1fb2

Aliases

arxiv: 1712.08294 · arxiv_version: 1712.08294v1 · doi: 10.48550/arxiv.1712.08294 · pith_short_12: 6ZM4WRFPPIJC · pith_short_16: 6ZM4WRFPPIJCONPK · pith_short_8: 6ZM4WRFP

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/6ZM4WRFPPIJCONPKATHQQQPTDN \
  | 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: f659cb44af7a122735ea04cf0841f31b7fc8a22961449aa2066c864ac43e1fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b65e8f1247d3f4d0e125afe9756009ebf247630a4cdb58fbc510c15c3b8599e",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-12-22T03:29:01Z",
    "title_canon_sha256": "7e2c3142ebe611f8cd0d832870650b997b2efa6ce4c3eb68d1ecb4a36133c52f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08294",
    "kind": "arxiv",
    "version": 1
  }
}