Pith Number

pith:DW7RTNJS

pith:2016:DW7RTNJSSF3EUD4GNK6OMBCDDJ

not attested not anchored not stored refs pending

Bockstein homomorphisms for Hochschild cohomology of group algebras and of block algebras of finite groups

Constantin-Cosmin Todea

arxiv:1610.00092 v1 · 2016-10-01 · math.GR · 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{DW7RTNJSSF3EUD4GNK6OMBCDDJ}

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	2026-05-18T01:03:31.884443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dbf19b53291764a0f866abce604431a70ab3db50303574f28a4459c8e586231

Aliases

arxiv: 1610.00092 · arxiv_version: 1610.00092v1 · doi: 10.48550/arxiv.1610.00092 · pith_short_12: DW7RTNJSSF3E · pith_short_16: DW7RTNJSSF3EUD4G · pith_short_8: DW7RTNJS

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/DW7RTNJSSF3EUD4GNK6OMBCDDJ \
  | 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: 1dbf19b53291764a0f866abce604431a70ab3db50303574f28a4459c8e586231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3bedb4c22cc96dce7cac97c001aa1df16ac057efcfdc838a9d9eaff8cdfbaf",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-10-01T05:57:56Z",
    "title_canon_sha256": "1e5a05e3924451af1bb7672d898f81cb1c4cb80911cb15c2629a104a5a2e3baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00092",
    "kind": "arxiv",
    "version": 1
  }
}