Pith Number

pith:WCHWRELM

pith:2016:WCHWRELM5CXLMPRLJW23D5KQZM

not attested not anchored not stored refs pending

Invariance of the Gerstenhaber algebra structure on Tate-Hochschild cohomology

Zhengfang Wang

arxiv:1601.01641 v2 · 2016-01-07 · math.RT · math.KT · 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{WCHWRELM5CXLMPRLJW23D5KQZM}

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	2026-05-17T23:44:38.529368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08f68916ce8aeb63e2b4db5b1f550cb31299df8368132981c552de236e58373

Aliases

arxiv: 1601.01641 · arxiv_version: 1601.01641v2 · doi: 10.48550/arxiv.1601.01641 · pith_short_12: WCHWRELM5CXL · pith_short_16: WCHWRELM5CXLMPRL · pith_short_8: WCHWRELM

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/WCHWRELM5CXLMPRLJW23D5KQZM \
  | 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: b08f68916ce8aeb63e2b4db5b1f550cb31299df8368132981c552de236e58373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb1e1250f5e84287241d5927779e244f6f983b9a8ad1ebc5803425f30e08090c",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-01-07T19:14:31Z",
    "title_canon_sha256": "865f1ddb4a20dfccae2a15c2ecb09d6e23e34fea1bc04bf7ae5eea796c66a6e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01641",
    "kind": "arxiv",
    "version": 2
  }
}