Pith Number

pith:G7IRU466

pith:2020:G7IRU466XPVXJ6CPAUXVM5SNPL

not attested not anchored not stored refs pending

Birational geometry of the intermediate Jacobian fibration of a cubic fourfold

Giulia Sacc\`a, with an appendix by Claire Voisin

arxiv:2002.01420 v2 · 2020-02-04 · 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{G7IRU466XPVXJ6CPAUXVM5SNPL}

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

Numerical invariants of hyper-K\"ahler manifolds

Receipt and verification

First computed	2026-07-05T06:22:27.531407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d11a73debbeb74f84f052f56764d7ae83f0574b3d4f519fa2bde8531dff5fa

Aliases

arxiv: 2002.01420 · arxiv_version: 2002.01420v2 · doi: 10.48550/arxiv.2002.01420 · pith_short_12: G7IRU466XPVX · pith_short_16: G7IRU466XPVXJ6CP · pith_short_8: G7IRU466

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/G7IRU466XPVXJ6CPAUXVM5SNPL \
  | 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: 37d11a73debbeb74f84f052f56764d7ae83f0574b3d4f519fa2bde8531dff5fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "963749f7db3be3ca0b1bd49aef7178ccde4b082137d7ce4c22853262bc47d919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-02-04T17:39:18Z",
    "title_canon_sha256": "85d459a3fee02b9b208abc878af4a9718cdcc784bc538ef320c34810b7ae798e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01420",
    "kind": "arxiv",
    "version": 2
  }
}