Pith Number

pith:MVEUW7F7

pith:2013:MVEUW7F7XYM5BDAAT6AVAJQ7HH

not attested not anchored not stored refs pending

On the regularity and Koszulness of modules over local rings

Rasoul Ahangari Maleki

arxiv:1304.2515 v1 · 2013-04-09 · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVEUW7F7XYM5BDAAT6AVAJQ7HH}

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	2026-05-18T03:28:31.724514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65494b7cbfbe19d08c009f8150261f39d816583099df0fa594cea50728c94909

Aliases

arxiv: 1304.2515 · arxiv_version: 1304.2515v1 · doi: 10.48550/arxiv.1304.2515 · pith_short_12: MVEUW7F7XYM5 · pith_short_16: MVEUW7F7XYM5BDAA · pith_short_8: MVEUW7F7

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/MVEUW7F7XYM5BDAAT6AVAJQ7HH \
  | 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: 65494b7cbfbe19d08c009f8150261f39d816583099df0fa594cea50728c94909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b6f1d8874a299cf36373b134a380331261859460bbc8aa3100eaf9d32148fb",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-04-09T10:23:51Z",
    "title_canon_sha256": "ae6c9e0d1eea84228b94bbdda4d542236e427ea1adf2494ff7b937e374ce184f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2515",
    "kind": "arxiv",
    "version": 1
  }
}