Pith Number

pith:IKXO4XAW

pith:2008:IKXO4XAWZJ37ULI74J2D4IFLDV

not attested not anchored not stored refs pending

The Rees-Suschkewitsch Theorem for simple topological semigroups

Oleg Gutik, Svetlana Dimitrova, Taras Banakh

arxiv:0811.1371 v2 · 2008-11-09 · math.GN · 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{IKXO4XAWZJ37ULI74J2D4IFLDV}

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	2026-05-18T04:11:29.248650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42aeee5c16ca77fa2d1fe2743e20ab1d5d127cf8c3a832be4badd8e62b4192ad

Aliases

arxiv: 0811.1371 · arxiv_version: 0811.1371v2 · doi: 10.48550/arxiv.0811.1371 · pith_short_12: IKXO4XAWZJ37 · pith_short_16: IKXO4XAWZJ37ULI7 · pith_short_8: IKXO4XAW

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/IKXO4XAWZJ37ULI74J2D4IFLDV \
  | 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: 42aeee5c16ca77fa2d1fe2743e20ab1d5d127cf8c3a832be4badd8e62b4192ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8e7a4951a0359fbb1d3655274569e6cc13cc78f751a464a2b8343988bec162",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2008-11-09T21:00:36Z",
    "title_canon_sha256": "81b3ec2e54e4ff208aea14230db729412987abfc5ab03573dedaf24025977090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1371",
    "kind": "arxiv",
    "version": 2
  }
}