Pith Number

pith:SQL477JI

pith:2025:SQL477JI2WMIG5AKA5NWUNRPC4

not attested not anchored not stored refs pending

The Brian\c{c}on-Skoda theorem for pseudo-rational and Du Bois singularities and uniformity in excellent rings

Karl Schwede, Linquan Ma, Peter M. McDonald, Rebecca R.G.

arxiv:2510.11540 v4 · 2025-10-13 · math.AC · 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{SQL477JI2WMIG5AKA5NWUNRPC4}

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	2026-06-11T01:09:20.088530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9417cffd28d59883740a075b6a362f172ccbc5cc15c68bbbadd50bdae097626f

Aliases

arxiv: 2510.11540 · arxiv_version: 2510.11540v4 · doi: 10.48550/arxiv.2510.11540 · pith_short_12: SQL477JI2WMI · pith_short_16: SQL477JI2WMIG5AK · pith_short_8: SQL477JI

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/SQL477JI2WMIG5AKA5NWUNRPC4 \
  | 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: 9417cffd28d59883740a075b6a362f172ccbc5cc15c68bbbadd50bdae097626f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a7e276f24bd730902d34a88c597a14277e7ba30e02d37cfa49fa8f79ed68a5f",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2025-10-13T15:39:31Z",
    "title_canon_sha256": "c262e48cc24cd40b735d7049b392ed5221791bac0e67103af777649ff16a7c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.11540",
    "kind": "arxiv",
    "version": 4
  }
}