Pith Number

pith:5KXRL2YO

pith:2024:5KXRL2YORC6SOY2NUHLXUCKVY6

not attested not anchored not stored refs pending

Cubic fourfolds with birational Fano varieties of lines

Corey Brooke, Lisa Marquand, Sarah Frei

arxiv:2410.22259 v3 · 2024-10-29 · 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{5KXRL2YORC6SOY2NUHLXUCKVY6}

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

2 papers in Pith

Kuznetsov components and transcendental motives of cubic fourfolds

Kuznetsov components ans transcendental motives of cubic fourfolds

Receipt and verification

First computed	2026-07-05T09:51:38.001379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaaf15eb0e88bd27634da1d77a0955c7b330cbd39557ff99a063ca0c3b50c260

Aliases

arxiv: 2410.22259 · arxiv_version: 2410.22259v3 · doi: 10.48550/arxiv.2410.22259 · pith_short_12: 5KXRL2YORC6S · pith_short_16: 5KXRL2YORC6SOY2N · pith_short_8: 5KXRL2YO

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/5KXRL2YORC6SOY2NUHLXUCKVY6 \
  | 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: eaaf15eb0e88bd27634da1d77a0955c7b330cbd39557ff99a063ca0c3b50c260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a66fad4f3a1c7f233fb541955f34fbd887afcf720ef8e2055dba5ca1330fd07b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-10-29T17:21:50Z",
    "title_canon_sha256": "fde905f2ffa82e65a3f24d198e4ed69249ecf94f83d6a81f7d67a819c4d03917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.22259",
    "kind": "arxiv",
    "version": 3
  }
}