Pith Number

pith:2UYHTUGB

pith:2013:2UYHTUGBKIBBIK3BZFMUNGBD2I

not attested not anchored not stored refs pending

Cox rings of minimal resolutions of surface quotient singularities

Maria Donten-Bury

arxiv:1301.2633 v2 · 2013-01-11 · 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{2UYHTUGBKIBBIK3BZFMUNGBD2I}

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	2026-05-18T03:15:57.587874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d53079d0c15202142b61c959469823d21c96956479007ca8ff8f7a014708f348

Aliases

arxiv: 1301.2633 · arxiv_version: 1301.2633v2 · doi: 10.48550/arxiv.1301.2633 · pith_short_12: 2UYHTUGBKIBB · pith_short_16: 2UYHTUGBKIBBIK3B · pith_short_8: 2UYHTUGB

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/2UYHTUGBKIBBIK3BZFMUNGBD2I \
  | 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: d53079d0c15202142b61c959469823d21c96956479007ca8ff8f7a014708f348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75bfd6d3c43376e2809e1f4339b5530930163a7db5448e7bb3b11916edcdb04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-11T23:43:59Z",
    "title_canon_sha256": "15a77ec254f9560b53bfab4d14fa0004fe8457202aa7ef1834fc78d16250de1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2633",
    "kind": "arxiv",
    "version": 2
  }
}