Pith Number

pith:RIVBAIOU

pith:2022:RIVBAIOUUUITWUEKWNYXZYGXE6

not attested not anchored not stored refs pending

Graded von Neumann regularity of rings graded by semigroups

Daniel L\"annstr\"om, Johan \"Oinert

arxiv:2206.14693 v2 · 2022-06-29 · 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{RIVBAIOUUUITWUEKWNYXZYGXE6}

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	2026-07-05T05:20:12.448702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a2a1021d4a5113b508ab3717ce0d727aca97cbea25121bd9162cb837063d889

Aliases

arxiv: 2206.14693 · arxiv_version: 2206.14693v2 · doi: 10.48550/arxiv.2206.14693 · pith_short_12: RIVBAIOUUUIT · pith_short_16: RIVBAIOUUUITWUEK · pith_short_8: RIVBAIOU

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/RIVBAIOUUUITWUEKWNYXZYGXE6 \
  | 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: 8a2a1021d4a5113b508ab3717ce0d727aca97cbea25121bd9162cb837063d889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6979abcc6b9b007f8ac7b799403ecae3b7c01338a2a2f7deb9a21a1354467792",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2022-06-29T14:46:06Z",
    "title_canon_sha256": "761460ab47836cd76ff9cad2412e4364d95962b4bbd81addc73049125a3670f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.14693",
    "kind": "arxiv",
    "version": 2
  }
}