Pith Number

pith:GMFGLSQZ

pith:2025:GMFGLSQZ3URZELMPUGBCR3SAET

not attested not anchored not stored refs pending

Counting quadratic points on Fano varieties

Francesca Balestrieri, Jennifer Park, Julian Lyczak, Kevin Destagnol, Nick Rome

arxiv:2505.17940 v2 · 2025-05-23 · math.NT · 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{GMFGLSQZ3URZELMPUGBCR3SAET}

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	2026-07-05T11:17:45.804601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

330a65ca19dd23922d8fa18228ee4024c2053356e823465cbd6e1deb49150257

Aliases

arxiv: 2505.17940 · arxiv_version: 2505.17940v2 · doi: 10.48550/arxiv.2505.17940 · pith_short_12: GMFGLSQZ3URZ · pith_short_16: GMFGLSQZ3URZELMP · pith_short_8: GMFGLSQZ

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/GMFGLSQZ3URZELMPUGBCR3SAET \
  | 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: 330a65ca19dd23922d8fa18228ee4024c2053356e823465cbd6e1deb49150257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3833d042653415caad2ab1408d4f3e786a2e71a24c4ba4a66b5b1680b7377b24",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2025-05-23T14:17:15Z",
    "title_canon_sha256": "72b1075ec6d53f895d1c6d2b6154212973145cb2eeb0f827725395639be038c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17940",
    "kind": "arxiv",
    "version": 2
  }
}