Pith Number

pith:E5V3LYC4

pith:2014:E5V3LYC4GJ35L4CPUB43DVHMKV

not attested not anchored not stored refs pending

Batalin-Vilkovisky structure over the Hochschild cohomology ring of a group algebra

Guodong Zhou, Yu-Ming Liu

arxiv:1405.3418 v2 · 2014-05-14 · 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{E5V3LYC4GJ35L4CPUB43DVHMKV}

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	2026-05-18T02:51:24.773109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

276bb5e05c3277d5f04fa079b1d4ec5578bcbcc3066678b804b730f3b1a1b6e0

Aliases

arxiv: 1405.3418 · arxiv_version: 1405.3418v2 · doi: 10.48550/arxiv.1405.3418 · pith_short_12: E5V3LYC4GJ35 · pith_short_16: E5V3LYC4GJ35L4CP · pith_short_8: E5V3LYC4

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/E5V3LYC4GJ35L4CPUB43DVHMKV \
  | 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: 276bb5e05c3277d5f04fa079b1d4ec5578bcbcc3066678b804b730f3b1a1b6e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "640bc595fc0bfe8139144f926111943cb2b9c72c9baefa3297bcf90c3fe3d670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-05-14T09:05:03Z",
    "title_canon_sha256": "61dca28a79dbdb29d59fab348e2a973d4d47c5b3037b5de56122e1091678256d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3418",
    "kind": "arxiv",
    "version": 2
  }
}