Pith Number

pith:UBAIHOVE

pith:2016:UBAIHOVEXQXX5NXDW25AXNFDSK

not attested not anchored not stored refs pending

$\mathbf{k}_0$ of semiartinian von Neumann regular rings. Direct finiteness versus unit-regularity

Giuseppe Baccella, Leonardo Spinosa

arxiv:1605.04606 v2 · 2016-05-15 · 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{UBAIHOVEXQXX5NXDW25AXNFDSK}

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	2026-05-18T01:11:07.950302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04083baa4bc2f7eb6e3b6ba0bb4a3928876eb3546e9ee4860beb856e9868f2a

Aliases

arxiv: 1605.04606 · arxiv_version: 1605.04606v2 · doi: 10.48550/arxiv.1605.04606 · pith_short_12: UBAIHOVEXQXX · pith_short_16: UBAIHOVEXQXX5NXD · pith_short_8: UBAIHOVE

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/UBAIHOVEXQXX5NXDW25AXNFDSK \
  | 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: a04083baa4bc2f7eb6e3b6ba0bb4a3928876eb3546e9ee4860beb856e9868f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a07a716268334303b74d5d66ac9df1db80ec8d07f54641f65a35068f63b647",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-05-15T21:35:42Z",
    "title_canon_sha256": "758ea38150aff59591caa3112e26d1fd1ac14e6b09d38f166054a6b8c98cea98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04606",
    "kind": "arxiv",
    "version": 2
  }
}