Pith Number

pith:NE36GSWD

pith:2025:NE36GSWDM36HMVLBALACWHU4EF

not attested not anchored not stored refs pending

The period-index problem for hyper-K\"ahler varieties via hyperholomorphic bundles

Davesh Maulik, James Hotchkiss, Junliang Shen, Qizheng Yin, Ruxuan Zhang

arxiv:2502.09774 v2 · 2025-02-13 · 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{NE36GSWDM36HMVLBALACWHU4EF}

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

3 papers in Pith

On moduli spaces of vector bundles on $K3^{[n]}$-type IHS manifolds

Irreducible symplectic varieties via K3-del Pezzo double covers

Hyper-K\"ahler varieties: Lagrangian fibrations, atomic sheaves, and categories

Receipt and verification

First computed	2026-07-05T11:25:08.036284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6937e34ac366fc76556102c02b1e9c2166823bbc9b0f55821419b1216db1eafb

Aliases

arxiv: 2502.09774 · arxiv_version: 2502.09774v2 · doi: 10.48550/arxiv.2502.09774 · pith_short_12: NE36GSWDM36H · pith_short_16: NE36GSWDM36HMVLB · pith_short_8: NE36GSWD

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/NE36GSWDM36HMVLBALACWHU4EF \
  | 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: 6937e34ac366fc76556102c02b1e9c2166823bbc9b0f55821419b1216db1eafb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3aab50e54cd6141add32aeec3dd3e3bafb3cff2463052240fcce721b534536c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-02-13T21:09:08Z",
    "title_canon_sha256": "80192503a0f7411c8a49863d427eff5aad2bb1da1b0364d60ded5acddce4d2ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09774",
    "kind": "arxiv",
    "version": 2
  }
}