Pith Number

pith:ICYGXGQ3

pith:2010:ICYGXGQ37YQCUERAFM47UJIPT4

not attested not anchored not stored refs pending

Bounds for Hochschild cohomology of block algebras

Markus Linckelmann, Radha Kessar

arxiv:1012.3558 v1 · 2010-12-16 · math.RT · math.GR · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICYGXGQ37YQCUERAFM47UJIPT4}

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	2026-05-18T04:33:06.311249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b06b9a1bfe202a12202b39fa250f9f1c73a84ffe00b9ed1a2ff04e9c53ada4

Aliases

arxiv: 1012.3558 · arxiv_version: 1012.3558v1 · doi: 10.48550/arxiv.1012.3558 · pith_short_12: ICYGXGQ37YQC · pith_short_16: ICYGXGQ37YQCUERA · pith_short_8: ICYGXGQ3

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/ICYGXGQ37YQCUERAFM47UJIPT4 \
  | 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: 40b06b9a1bfe202a12202b39fa250f9f1c73a84ffe00b9ed1a2ff04e9c53ada4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab4bb76c2b7b5e59e106e5a9962820b2b2124a9e0fdf5f5b6abd5b3ceb9402aa",
    "cross_cats_sorted": [
      "math.GR",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2010-12-16T11:10:59Z",
    "title_canon_sha256": "70f212f1e92530d6cf19e10d5cb669e31394cc7c3000426b13a622512283d82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3558",
    "kind": "arxiv",
    "version": 1
  }
}