Pith Number

pith:RE5NXOSH

pith:2016:RE5NXOSH2RO4RJ52WZC76QPSLU

not attested not anchored not stored refs pending

A note on the finite basis and finite rank properties for pseudovarieties of semigroups

J. Almeida, M. H. Shahzamanian

arxiv:1611.08089 v2 · 2016-11-24 · 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{RE5NXOSH2RO4RJ52WZC76QPSLU}

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	2026-05-17T23:51:14.973644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

893adbba47d45dc8a7bab645ff41f25d21cf3a45fda7ea924bb77ea557ee4334

Aliases

arxiv: 1611.08089 · arxiv_version: 1611.08089v2 · doi: 10.48550/arxiv.1611.08089 · pith_short_12: RE5NXOSH2RO4 · pith_short_16: RE5NXOSH2RO4RJ52 · pith_short_8: RE5NXOSH

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/RE5NXOSH2RO4RJ52WZC76QPSLU \
  | 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: 893adbba47d45dc8a7bab645ff41f25d21cf3a45fda7ea924bb77ea557ee4334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b864eb384528dac21060ed83ba5b038dedec302d3d13f4d60fb06eda68d4b93a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-11-24T08:04:00Z",
    "title_canon_sha256": "99b452d5f7c9acf5acb9e11f75b100aed16145d01ecc9791ce23d625d9aebf4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08089",
    "kind": "arxiv",
    "version": 2
  }
}