Pith Number

pith:B4VISJVC

pith:2010:B4VISJVCWKLH6ROGCFDC3ZMJXQ

not attested not anchored not stored refs pending

Discrepancies of non-$\Q$-Gorenstein varieties

Stefano Urbinati

arxiv:1001.2930 v3 · 2010-01-17 · math.AG · math.AC

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:54:58.552547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2a8926a2b2967f45c611462de589bc0bdbf8c6829239d3ea2617d12512de18

Aliases

arxiv: 1001.2930 · arxiv_version: 1001.2930v3 · doi: 10.48550/arxiv.1001.2930

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/B4VISJVCWKLH6ROGCFDC3ZMJXQ \
  | 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: 0f2a8926a2b2967f45c611462de589bc0bdbf8c6829239d3ea2617d12512de18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950ee88b7472e9d47887d8164f238fd480e260cb272549780bc207fe1db28a80",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-01-17T22:44:26Z",
    "title_canon_sha256": "e88a42289b86193d7e12a025cf333846583689e954b9159da395969c6bf6b299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2930",
    "kind": "arxiv",
    "version": 3
  }
}