Pith Number

pith:VUEZPRXO

pith:2024:VUEZPRXOV3XKH6WBFTEZCNI6HT

not attested not anchored not stored refs pending

$\delta$-invariants of Du Val del Pezzo surfaces of degree 1

Elena Denisova

arxiv:2410.19853 v2 · 2024-10-22 · 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{VUEZPRXOV3XKH6WBFTEZCNI6HT}

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.

Cited by

1 paper in Pith

K-stability of del Pezzo surfaces with a single quotient singularity

Receipt and verification

First computed	2026-07-05T11:57:53.468015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad0997c6eeaeeea3fac12cc991351e3ce48bf1826f2907a6b56cff78fc8cd2ca

Aliases

arxiv: 2410.19853 · arxiv_version: 2410.19853v2 · doi: 10.48550/arxiv.2410.19853 · pith_short_12: VUEZPRXOV3XK · pith_short_16: VUEZPRXOV3XKH6WB · pith_short_8: VUEZPRXO

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/VUEZPRXOV3XKH6WBFTEZCNI6HT \
  | 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: ad0997c6eeaeeea3fac12cc991351e3ce48bf1826f2907a6b56cff78fc8cd2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccffc10100e568475e0bbf8cd716ac30520b4ea3969c71bf1aa53c2021feb873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-10-22T12:37:05Z",
    "title_canon_sha256": "7c8c65a11ffd2450a6835caee90ca3dd412f3b8cf4bda0c815d03851e71aab13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.19853",
    "kind": "arxiv",
    "version": 2
  }
}