Pith Number

pith:M3FADYS2

pith:2018:M3FADYS2SXZZKSKUSZ3WZE5E4P

not attested not anchored not stored refs pending

Finite Subgroups of Group Rings: A survey

\'Angel del R\'io, Leo Margolis

arxiv:1809.00718 v2 · 2018-09-03 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3FADYS2SXZZKSKUSZ3WZE5E4P}

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	2026-05-17T23:42:43.057120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66ca01e25a95f395495496776c93a4e3d8c06028244473312646b51109bf88b7

Aliases

arxiv: 1809.00718 · arxiv_version: 1809.00718v2 · doi: 10.48550/arxiv.1809.00718 · pith_short_12: M3FADYS2SXZZ · pith_short_16: M3FADYS2SXZZKSKU · pith_short_8: M3FADYS2

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/M3FADYS2SXZZKSKUSZ3WZE5E4P \
  | 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: 66ca01e25a95f395495496776c93a4e3d8c06028244473312646b51109bf88b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02ce514d7760352a8a4469a962e9aa19c6d63fdcf3e45736402f71f9547a4c6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-09-03T21:04:43Z",
    "title_canon_sha256": "87c268eea9c25172c6078548ffc97bac6cc3e6fa85df8d0bcfd50d7c6661f5ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00718",
    "kind": "arxiv",
    "version": 2
  }
}