Pith Number

pith:6JQAFNAQ

pith:2023:6JQAFNAQ4EL6TVZUY23JSFFHNO

not attested not anchored not stored refs pending

$\delta$-invariants of Du Val del Pezzo surfaces of degree $3$

Elena Denisova

arxiv:2311.14181 v2 · 2023-11-23 · 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{6JQAFNAQ4EL6TVZUY23JSFFHNO}

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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

✓ 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	2026-07-05T11:57:52.154980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f26002b410e117e9d734c6b69914a76ba35351b5a4c9d91c80227e7b143b811d

Aliases

arxiv: 2311.14181 · arxiv_version: 2311.14181v2 · doi: 10.48550/arxiv.2311.14181 · pith_short_12: 6JQAFNAQ4EL6 · pith_short_16: 6JQAFNAQ4EL6TVZU · pith_short_8: 6JQAFNAQ

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/6JQAFNAQ4EL6TVZUY23JSFFHNO \
  | 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: f26002b410e117e9d734c6b69914a76ba35351b5a4c9d91c80227e7b143b811d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b5dd5b34e8b53948cb7b13733802192d72ff4595f5e273ba25b2f52f89b70a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-11-23T20:00:37Z",
    "title_canon_sha256": "8bfafcf954d178f5227784110495c70a09b194d67d6f3e542ed16fd090a16146"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.14181",
    "kind": "arxiv",
    "version": 2
  }
}