Pith Number

pith:FX55JCG6

pith:2018:FX55JCG6A3QE4N3GEORXEZVSYM

not attested not anchored not stored refs pending

Hochschild cohomology and orbifold Jacobian algebras associated to invertible polynomials

Alexey Basalaev, Atsushi Takahashi

arxiv:1802.03912 v1 · 2018-02-12 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FX55JCG6A3QE4N3GEORXEZVSYM}

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	2026-05-18T00:23:50.035846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dfbd488de06e04e376623a37266b2c33a2ec9318fad04fbd8187c03d93cf73f

Aliases

arxiv: 1802.03912 · arxiv_version: 1802.03912v1 · doi: 10.48550/arxiv.1802.03912 · pith_short_12: FX55JCG6A3QE · pith_short_16: FX55JCG6A3QE4N3G · pith_short_8: FX55JCG6

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/FX55JCG6A3QE4N3GEORXEZVSYM \
  | 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: 2dfbd488de06e04e376623a37266b2c33a2ec9318fad04fbd8187c03d93cf73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f330c89cd8b8207b8ba907a3871b22bd3ba13414c71f346f29ddfe67605edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-02-12T06:47:58Z",
    "title_canon_sha256": "6220d99a6d26c5637650d08664d22b65a89d2f44dcf68c2f976ec34dcdcc4cb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03912",
    "kind": "arxiv",
    "version": 1
  }
}