Pith Number

pith:OUQ2DXSJ

pith:2024:OUQ2DXSJVG552BR2CZSEMAKWZE

not attested not anchored not stored refs pending

Polarized cylinders in Du Val del Pezzo surfaces of degree two

Masatomo Sawahara

arxiv:2412.09848 v3 · 2024-12-13 · 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{OUQ2DXSJVG552BR2CZSEMAKWZE}

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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

Polarized cylinders on blow-ups of weighted projective planes

Receipt and verification

First computed	2026-05-17T23:39:01.643683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7521a1de49a9bbdd063a1664460156c9370451a952567b3cd0ae17c63fa71473

Aliases

arxiv: 2412.09848 · arxiv_version: 2412.09848v3 · doi: 10.48550/arxiv.2412.09848 · pith_short_12: OUQ2DXSJVG55 · pith_short_16: OUQ2DXSJVG552BR2 · pith_short_8: OUQ2DXSJ

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/OUQ2DXSJVG552BR2CZSEMAKWZE \
  | 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: 7521a1de49a9bbdd063a1664460156c9370451a952567b3cd0ae17c63fa71473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "848721af530a054571c751ff60d8b77a56895c5d3a37699748266fa9afec7ff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-12-13T04:31:22Z",
    "title_canon_sha256": "068ca86d953a2025c1f15981da1543b2a25755fd4ce1c0a07b9bad441dd59901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.09848",
    "kind": "arxiv",
    "version": 3
  }
}