Pith Number

pith:SLW3CU5Q

pith:2019:SLW3CU5QM4BKZXD24HD7Z4BTXR

not attested not anchored not stored refs pending

Green's relations and stability for subsemigroups

James East, Peter M. Higgins

arxiv:1906.02313 v2 · 2019-06-05 · math.GR · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLW3CU5QM4BKZXD24HD7Z4BTXR}

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

Idempotents and one-sided units: Lattice invariants and a semigroup of functors on the category of monoids

Receipt and verification

First computed	2026-05-17T23:41:00.629151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92edb153b06702acdc7ae1c7fcf033bc71f991380faeeea34acae322cb14ecb9

Aliases

arxiv: 1906.02313 · arxiv_version: 1906.02313v2 · doi: 10.48550/arxiv.1906.02313 · pith_short_12: SLW3CU5QM4BK · pith_short_16: SLW3CU5QM4BKZXD2 · pith_short_8: SLW3CU5Q

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/SLW3CU5QM4BKZXD24HD7Z4BTXR \
  | 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: 92edb153b06702acdc7ae1c7fcf033bc71f991380faeeea34acae322cb14ecb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a902b46294e4962c37d3a2dabc9eedb46879cbce5593f9e6e1141fa93a89e70c",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-06-05T21:14:04Z",
    "title_canon_sha256": "a7f3f42eca5b46ea14da9886cae66e4a22e4e5e1a8762968c1b57c09e9d656ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02313",
    "kind": "arxiv",
    "version": 2
  }
}