Pith Number

pith:RX35F3IB

pith:2017:RX35F3IBPTHZ5W4UO2GZKYASVY

not attested not anchored not stored refs pending

On cyclic essential extensions of simple modules over differential operator rings

Alveri Sant'Ana, Robson Vinciguerra

arxiv:1704.04970 v1 · 2017-04-17 · 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{RX35F3IBPTHZ5W4UO2GZKYASVY}

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	2026-05-18T00:46:17.340699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8df7d2ed017ccf9edb94768d956012ae128d0ea51fb10f731a331a93470aa2f6

Aliases

arxiv: 1704.04970 · arxiv_version: 1704.04970v1 · doi: 10.48550/arxiv.1704.04970 · pith_short_12: RX35F3IBPTHZ · pith_short_16: RX35F3IBPTHZ5W4U · pith_short_8: RX35F3IB

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/RX35F3IBPTHZ5W4UO2GZKYASVY \
  | 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: 8df7d2ed017ccf9edb94768d956012ae128d0ea51fb10f731a331a93470aa2f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "574ab8cc5d7b3983533f842105637285db7781b6fb4b6fd08e857baffc119d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-04-17T14:14:08Z",
    "title_canon_sha256": "423f57ebf015ed286a4bc14ed206efe16c8012f5d668f88e27d07b005c6c6162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04970",
    "kind": "arxiv",
    "version": 1
  }
}