Pith Number

pith:K4CO63OG

pith:2014:K4CO63OGWTX2MHAA5LVWSEKGII

not attested not anchored not stored refs pending

The Nori-Hilbert scheme is not smooth for 2-Calabi Yau algebras

Federica Galluzzi, Francesco Vaccarino, Raf Bocklandt

arxiv:1410.1442 v2 · 2014-10-06 · math.AG · math.RA · 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{K4CO63OGWTX2MHAA5LVWSEKGII}

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	2026-05-18T01:17:10.398559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5704ef6dc6b4efa61c00eaeb69114642300f72cb2210b91f7271e3cc5324be59

Aliases

arxiv: 1410.1442 · arxiv_version: 1410.1442v2 · doi: 10.48550/arxiv.1410.1442 · pith_short_12: K4CO63OGWTX2 · pith_short_16: K4CO63OGWTX2MHAA · pith_short_8: K4CO63OG

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/K4CO63OGWTX2MHAA5LVWSEKGII \
  | 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: 5704ef6dc6b4efa61c00eaeb69114642300f72cb2210b91f7271e3cc5324be59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6219910633e272cc7463cb9c7047986bbd56da4536cecb468f55278a55f6b53",
    "cross_cats_sorted": [
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-06T16:26:52Z",
    "title_canon_sha256": "d4c56a78713225f81a307160313d509814297c73de02efd5cff219a0e5c4faac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1442",
    "kind": "arxiv",
    "version": 2
  }
}