Pith Number

pith:FDHJO7WN

pith:2019:FDHJO7WNCZQ2H7FMDLGXLVAWEI

not attested not anchored not stored refs pending

Endotrivial modules for infinite groups

Peter Symonds

arxiv:1902.02894 v1 · 2019-02-08 · 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{FDHJO7WNCZQ2H7FMDLGXLVAWEI}

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	2026-05-17T23:54:28.929837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ce977ecd1661a3fcac1acd75d416221339ff26088cbca9b58ea66170d60864

Aliases

arxiv: 1902.02894 · arxiv_version: 1902.02894v1 · doi: 10.48550/arxiv.1902.02894 · pith_short_12: FDHJO7WNCZQ2 · pith_short_16: FDHJO7WNCZQ2H7FM · pith_short_8: FDHJO7WN

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/FDHJO7WNCZQ2H7FMDLGXLVAWEI \
  | 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: 28ce977ecd1661a3fcac1acd75d416221339ff26088cbca9b58ea66170d60864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "455b6e465819766fe4a4636ab626e60b7533caec6e8b24cc74caa7d876fb8cbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-02-08T00:35:20Z",
    "title_canon_sha256": "1e22d2919f42646b6c0a947307f70e88bbdd2f3b19ec34593bfbf1bed8e29ca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02894",
    "kind": "arxiv",
    "version": 1
  }
}