Pith Number

pith:CUHCC6X6

pith:2017:CUHCC6X64AP7AJUDJ7JLC7VKTL

not attested not anchored not stored refs pending

The generalized Franchetta conjecture for some hyper-K\"ahler varieties

Charles Vial, Lie Fu, Mingmin Shen, Robert Laterveer

arxiv:1708.02919 v3 · 2017-08-09 · 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{CUHCC6X64AP7AJUDJ7JLC7VKTL}

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	2026-05-18T00:03:56.913884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

150e217afee01ff026834fd2b17eaa9ac5f663b56de51aa735c744376c099b3e

Aliases

arxiv: 1708.02919 · arxiv_version: 1708.02919v3 · doi: 10.48550/arxiv.1708.02919 · pith_short_12: CUHCC6X64AP7 · pith_short_16: CUHCC6X64AP7AJUD · pith_short_8: CUHCC6X6

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/CUHCC6X64AP7AJUDJ7JLC7VKTL \
  | 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: 150e217afee01ff026834fd2b17eaa9ac5f663b56de51aa735c744376c099b3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0908bb042f0991c493864e7ae0c5687911b76a03299ea65b87971e84a94df5ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-09T17:24:39Z",
    "title_canon_sha256": "275764cb30cd7d8e48b72a6319f0e6ea3cf1cbbadd70737d0de6fed9b152c00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02919",
    "kind": "arxiv",
    "version": 3
  }
}