Pith Number

pith:ZXOKCJKE

pith:2013:ZXOKCJKERNF6JO2E74PWGYQRIK

not attested not anchored not stored refs pending

Hochschild cohomology of triangular string algebras and its ring structure

Lucrecia Roman, Maria Julia Redondo

arxiv:1301.0516 v1 · 2013-01-03 · 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{ZXOKCJKERNF6JO2E74PWGYQRIK}

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	2026-05-18T03:37:19.437478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cddca125448b4be4bb44ff1f6362114296e20cfa7a0ed558fdc81b963e1fe94f

Aliases

arxiv: 1301.0516 · arxiv_version: 1301.0516v1 · doi: 10.48550/arxiv.1301.0516 · pith_short_12: ZXOKCJKERNF6 · pith_short_16: ZXOKCJKERNF6JO2E · pith_short_8: ZXOKCJKE

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/ZXOKCJKERNF6JO2E74PWGYQRIK \
  | 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: cddca125448b4be4bb44ff1f6362114296e20cfa7a0ed558fdc81b963e1fe94f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b93e5f79bbea94482d45f394d0d97077cf49ac4c0498455d33721a1e86e9d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2013-01-03T17:34:33Z",
    "title_canon_sha256": "7ae8b468a73935bf416c523953668a625a2f931778a80c79c39c217061041cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0516",
    "kind": "arxiv",
    "version": 1
  }
}