Pith Number

pith:Z2QHYS5S

pith:2026:Z2QHYS5SNZHFP5JLL5AENNDRTV

not attested not anchored not stored refs pending

Classification of Smooth Minimal K\"ahler Fourfolds Without Effective Divisors and Surfaces

Pisya Vikash

arxiv:2607.04536 v1 · 2026-07-05 · 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{Z2QHYS5SNZHFP5JLL5AENNDRTV}

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	2026-07-07T02:19:23.613422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cea07c4bb26e4e57f52b5f4046b4719d7553f3dec970b76a010c4d17d721c5d2

Aliases

arxiv: 2607.04536 · arxiv_version: 2607.04536v1 · doi: 10.48550/arxiv.2607.04536 · pith_short_12: Z2QHYS5SNZHF · pith_short_16: Z2QHYS5SNZHFP5JL · pith_short_8: Z2QHYS5S

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/Z2QHYS5SNZHFP5JLL5AENNDRTV \
  | 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: cea07c4bb26e4e57f52b5f4046b4719d7553f3dec970b76a010c4d17d721c5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bee5b3559bf998030ebaff16812943cf524cfbd1c55be85ebc263e9d786898",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-07-05T22:46:26Z",
    "title_canon_sha256": "0bddb7f94d7f32b399122e3959bb2dc0d7536c171eaae49e9bf8c105ab50c4f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04536",
    "kind": "arxiv",
    "version": 1
  }
}