Pith Number

pith:STNR4A2L

pith:2010:STNR4A2LHGRJLRR47QB6CQK4BS

not attested not anchored not stored refs pending

The Hochschild Cohomology ring of preprojective algebras of type Ln

Estefan\'ia Andreu Juan

arxiv:1010.2790 v2 · 2010-10-13 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STNR4A2LHGRJLRR47QB6CQK4BS}

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	2026-05-18T04:12:00.737477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94db1e034b39a295c63cfc03e1415c0c85887eed29e54ed28e5985d66c85a419

Aliases

arxiv: 1010.2790 · arxiv_version: 1010.2790v2 · doi: 10.48550/arxiv.1010.2790 · pith_short_12: STNR4A2LHGRJ · pith_short_16: STNR4A2LHGRJLRR4 · pith_short_8: STNR4A2L

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/STNR4A2LHGRJLRR47QB6CQK4BS \
  | 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: 94db1e034b39a295c63cfc03e1415c0c85887eed29e54ed28e5985d66c85a419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ce39a7c7240cb8e3b52b3846a48643e8bc87cd92090d4cb9845f60b74c0373",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2010-10-13T23:07:32Z",
    "title_canon_sha256": "58078828806c9c5c14f7f192174fb52209992dcddd1eed1a49dd8fd62e75fd61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2790",
    "kind": "arxiv",
    "version": 2
  }
}