Pith Number

pith:2UAIZPF3

pith:2019:2UAIZPF3XVE3OEAMENAPSC3TCE

not attested not anchored not stored refs pending

On the uniform K-stability for some asymptotically log del Pezzo surfaces

Kento Fujita

arxiv:1907.04998 v1 · 2019-07-11 · 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{2UAIZPF3XVE3OEAMENAPSC3TCE}

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	2026-05-17T23:40:54.240848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5008cbcbbbd49b7100c2340f90b731109782ba39efb07a4dd4cdb610e1802f2

Aliases

arxiv: 1907.04998 · arxiv_version: 1907.04998v1 · doi: 10.48550/arxiv.1907.04998 · pith_short_12: 2UAIZPF3XVE3 · pith_short_16: 2UAIZPF3XVE3OEAM · pith_short_8: 2UAIZPF3

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/2UAIZPF3XVE3OEAMENAPSC3TCE \
  | 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: d5008cbcbbbd49b7100c2340f90b731109782ba39efb07a4dd4cdb610e1802f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67558aff409cef1db6cab449badcb7efffbec2df8e57536d5636cd1c59061a21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-11T05:11:08Z",
    "title_canon_sha256": "846fc2ff440248a54e01b1b2c0dfb6ea79af06b066038e3e4dafa66b93b7b7ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04998",
    "kind": "arxiv",
    "version": 1
  }
}