Pith Number

pith:CI3HNHXQ

pith:2020:CI3HNHXQ3DYQEPC5DTN2ZOITNW

not attested not anchored not stored refs pending

Tropical correspondence for smooth del Pezzo log Calabi-Yau pairs

Tim Graefnitz

arxiv:2005.14018 v4 · 2020-05-28 · 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{CI3HNHXQ3DYQEPC5DTN2ZOITNW}

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

BPS Dendroscopy on Local $\mathbb{P}^1\times \mathbb{P}^1$

Receipt and verification

First computed	2026-07-05T04:20:27.195113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1236769ef0d8f1023c5d1cdbacb9136d9e87419b3b6f2c98fa91dae3c123ad86

Aliases

arxiv: 2005.14018 · arxiv_version: 2005.14018v4 · doi: 10.48550/arxiv.2005.14018 · pith_short_12: CI3HNHXQ3DYQ · pith_short_16: CI3HNHXQ3DYQEPC5 · pith_short_8: CI3HNHXQ

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/CI3HNHXQ3DYQEPC5DTN2ZOITNW \
  | 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: 1236769ef0d8f1023c5d1cdbacb9136d9e87419b3b6f2c98fa91dae3c123ad86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b31c417dc67b81f967e6e0c9badbe7d6dd63e496086ede4c3f989d3adcb16826",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-05-28T14:01:17Z",
    "title_canon_sha256": "b76d2e78617d66b97d3bb547c735340674970ae273ff52cc02c633093d6b1d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.14018",
    "kind": "arxiv",
    "version": 4
  }
}